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Low-Power Solutions
Analog Devices Solutions Bulletin
FREE OFFER!
Inside
This Issue.
Page Fully Integrated Solutions Power Management Functions Complete Battery-Charging Offers High Output Voltage Accuracy Industry's Lowest-Power Crosspoint Switch Drives Backplanes Directly Single-Supply, Precision Amps Ideal Low-Voltage Applications Cost-Effective Increases Performance Extends Battery Life World's Smallest DACs Ideal Portable/Battery Equipment Family Solutions Improves Cost, Reliability, Speed Market 10-, 12-Bit High-Speed ADCs Convert MSPS Rate 10-Bit Extends Battery Life Performance High-Speed Systems Smallest Multichannel 12-Bit ADCs Ideal Low-Power Applications ADCs That Consume Times Less Power Than Competition Family Analog Front Ends Boasts Industry-Leading Lows Noise Analog Signal Processor Provides High Image Quality Applications Dual, High-Speed ADCs DACs Built Meet Design Demands
hether application portable, industrial, instrumentation, communications, consumer, computer, designers faced with developing their products accommodate benefits low-power system. Included this Solutions Bulletin overview converters, amplifiers, power thermal management solutions that representative examples large portfolio low-power devices from Analog Devices. Browse articles information learn specific design challenges that successfully with these products, then jump www.analog.com additional low-power solutions. We're sure you'll find what need select right component your energy-conscious design!
Challenge Adding Features While Keeping Down Cost
Data acquisition, instrumentation, industrial systems designers challenged both increase measurement throughput increase functionality their designs adding more features lower cost. Faced with system voltage power limitations, both these issues addressed?
introducing four ADCs meet these requirements. Offering variety resolutions, programmable input channel options, features including product with ADCs chip, these ADCs provide costeffective solutions modern requirements.
APPLICATIONS
smart transmitters field instruments loop-powered instrumentation data acquisition battery-powered instrumentation
Feature/Sensor Excitation Options 16-Bit Resolution 24-Bit Resolution 10-Channel Input Multiple Input Options with Gains from High-Impedance Input Buffer Factory-Calibrated Zero Gain Error Switchable Current Sources Matched Sources Matched Sources Selectable Differential Reference Inputs Digital Port Low-Side Power Switches Transducer Burnout Currents Reference Range On-Chip Temperature Sensor 24-Lead SOIC 24-Lead TSSOP 28-Lead SOIC 28-Lead TSSOP Less than Power Consumption SPI-Compatible Serial Interface Price*
AD7708
AD7709
AD7718
AD7719
$4.13
$5.10
$7.79
$8.76
*USD 1,000s (unless otherwise noted), recommended resale, U.S.A.
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Cell Phone Designers Design High-Performance, Small Size Phone with Long Battery Life Cost?
Cell phone users want smaller lighter cell phones. They also want those cell phones well their other hand-held devices) last longer single charge. This seeming paradox solved applying battery management technologies developed Analog Devices.
Highly Integrated Power Management
ADP3401/ADP3402/ADP3408 multifunction power system chips that handle power management functions. These devices contain four anyCAP® LDOs power each critical subsystems-allowing extremely ground current high accuracy extend standby time. ADP3408 also includes Li+/NiMH battery-charging controller further reduce discrete component count. These ICs, except ADP3408, also have integrated step-up converter module, level translation circuitry adapt logic signals modules. Sophisticated sequencing power-up during battery charging, key-pad interface, auxiliary cell battery charging real-time clock also included. handles baseband power management LDOs specific subsystems integrated Li+/NiMH battery-charging controller (ADP3408) integrated LiMg-Ion charger real-time clock charge pump logic level translation modules (except ADP3408) only shutdown current quiescent current when phone standby
ADP3401 ADP3402 ADP3408
VBAT
VBAT2
VRTOIN
DIGITAL CORELDO POWER-UP SEQUENCING PROTECTION LOGIC ANALOG TCXO MEMORY BUFFER
VSIM
VCORE
PWRONKEY ROWX PWRONIN
VTCXO
TCXOEN SIMEN RESCAP
VMEM
VRTC
REFOUT RESET
CHRDET
CHGEN GATEIN BATSNS ISENSE
BATTERY CHARGE CONTROLLER
BATTERY VOLTAGE DIVIDER
MVBAT
DGND
GATEDR CHRIN
ADP3408
AGND
APPLICATIONS
fully integrated power solutions GSM/DCS/PCS companions AD20msp425 AD20msp430 baseband chipsets
Price $4.40 (2.5k) reels only Price $4.40 (2.5k) reels only Price $3.84 reels only
anyCAP LDOs
ADP3307-3.3
0.47 EOUT VOUT 330k 3.3V
APPLICATIONS
ADP3307 ADP3330 ADP3335
fully integrated power solutions GSM/DCS/PCS companions AD20msp425 AD20msp430 baseband chipsets
Price $1.08 (3k) reels only Price $1.19 (3k) reels only Price $1.46 reels only
also offers complete suite anyCAP LDOs designed meet stringent requirements cellular phone applications. ADP3307 offers extremely tight accuracy 1.4%), only dropout, shutdown current, dropout tiny SOT-23 package. ADP3330 also comes SOT-23 package. provides with dropout only no-load ground current Both ADP3307 ADP3330 require just 0.47 output capacitance stability. more powerful ADP3335 delivers extremely small MSOP-8 package utilizing ADI's Chip-on-Lead thermally enhanced lead frame technology. It's smallest market. ADP3335 also features high PSRR shutdown current consumption. extremely high accuracy small compact packages portable applications high PSRR: ADP3330, ADP3335, no-load ground current: ADP3330 shutdown feature insensitive
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Cool Chargers
ADP3804 complete Li-Ion battery-charging device combines high output voltage accuracy with constant current control simplify implementation ConstantCurrent, Constant-Voltage (CCCV) chargers. ADP3804 available options. ADP3804-12.6 guarantees final battery voltage 12.6 0.6%; ADP3804-12.5 guarantees final battery voltage 12.525 0.6%; ADP3804 adjustable uses external resistors battery voltage. current sense amplifier railto-rail inputs accurately operate under dropout short circuit conditions. charge current programmable with voltage ISET. second differential amplifier senses system current across external sense resistor outputs linear voltage ISYS pin. boosted synchronous driver allows NMOS transistors lower system cost. high end-of-charge voltage accuracy 0.4% 25°C 0.6% 55°C 0.75% 85°C programmable charge current with rail-to-rail sensing system current sense with reverse input protection softstart charge current boosted synchronous driver external NMOS programmable oscillator frequency oscillator SYNC constant current/constant voltage flag trickle charge
ADP3804
APPLICATIONS
portable computers handheld devices fast chargers
Price $2.00 reels only
Simple, Small Chargers
ADP3820 precision single cell Li-Ion battery charger controller that drives external P-channel MOSFET form inexpensive, highly accurate, low-dropout linear charger. ADP3820 output versions support both coke- graphite-anode Li-Ion batteries. external MOSFET allows designer optimize power level applications ranging from PDAs cellular phones. ADP3820 includes such features programmable charge current, foldback current limit, overload recovery gate-to-source voltage clamp protect external MOSFET. ADP3820 also minimizes reverse leakage current from battery input voltage charger disconnected. This eliminates need external serial blocking diode.
GATE NDP6020P LI-ION BATTERY
1.0% total accuracy (line, load, temp)
input voltage range programmable charging current (typical) operating current (typical) shutdown current SOT-23-6 SO-8 package options
ADP3820
APPLICATIONS
ADP3820
cellular phones laptop desktop hand-held computers
Price $0.95 (3k) reels only
WORLD'S NUMBER BRAND HIGH-PERFORMANCE ANALOG ICs.
Challenges High-Speed Switch Arrays
Reducing Power Power reduction common theme most equipment designers more functionality given footprint, cannot afford space consumed heat sinks, power supplies, cooling fans. Driving Backplane- Driving backplane often difficult parasitics coupled with distance high-speed signal must travel. order preserve signal, various termination schemes utilized backplane transmission.
Newest Member ADI's
Switch Family
Analog Devices developed AD8151, Gb/s digital crosspoint switch targeted Datacom, Telecom, Optical networking applications (Gigabit Ethernet, OC-48). high-performance crosspoint switch that only uses less power than other solution, drive backplane directly. AD8151's current mode output programmable from allowing device drive variety termination schemes while maintaining desired output voltage levels.
Analog Devices Your Digital Switch?
It's natural analog experts solution route bits. These digital bits have rise fall times picosecond range being transmitted Gb/s. Signal integrity issues often become time-domain analog problems. Phenomena such "crosstalk" analog domain cause "jitter" digital domain. years experience solving these high-frequency analog problems. Therefore, better than provide with highest performance solutions your high-speed data routing needs?
Revolutionary Benefits AD8151
AD8151 allows develop switching routing equipment, which affordable lower data rates including Mb/s, performance allow upgrades Gb/s, reducing forklift replacement entire rack. manufacturer offers switch solution that affordable enough used sub-1 GB/s data rates performance meet Gb/s data rates. Using proprietary circuit architecture (patent pending) AD8151 offers lowest power switching solution. switch core power 1/25th that nearest competitor (see below). This allows utilize low-cost standard packaging (184-lead LQFP). Also, unlike most alternative switch ICs, does require costly heat sinks. With lower power dissipation router manufacturers offer even larger arrays, more functionality same power footprint since less space required cooling apparatus.
SWITCH CORE POWER
mWATT SWITCH POINT
6.4mW
4.4mW
Size Core ISUPPLY Core Power Core Power/pt*
AD8151 0.03 0.18 mW/pt
Competitor 2.25 mW/pt
Competitor 17.8 mW/pt
*Per point used normalize power numbers.
0.18mW COMPETITOR COMPETITOR AD8151
AD8151 utilizes ADI's proprietary BiCMOS process. Further power savings realized, since logic circuitry CMOS technology, whereas most other vendors depend exclusively GaAs, which power hungry logic circuitry use.
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Feature Power (see chart below) Benefit Standard Packaging/Lower Cost Heat Sink (Reduces Cost) Larger Arrays (Future) Standard/Low Cost Pins Periphery Eases Signal Routing Bigger Arrays Higher Speed Affordable Lower Data Rate Designs (<2.5 Gb/s) Achieved? Proprietary Circuit Architecture BiCMOS Process Technology -Manufacturable -Cost Effective Power Thermal Packaging Techniques Design Process Design Mainstream Silicon Process Standard Packaging
LQFP Packaging Scalable Architecture Future Developments Cost
AD8151 Architecture Features
Fully Differential Reduces crosstalk jitter. Output Current mode output stage. High speed. Symmetric. Determined external pull-ups. Easily disabled, allowing output busing data rates system power savings. Programmable Output Current Flexibility output swings, transmission line impedance, AD8151 termination schemes. BiCMOS Switch Core-High pack33 density, power along with OUTPUT LOW-POWER CURRENT BUFFERS 1SET prop delay jitter. REFERENCE Low-Power Input Buffers input capacitance independent fanout without power penalty. OUTP Dual Rank Latches Allows DIFFERENTIAL SWITCH presetting array configuration MATRIX (Rank1) entire array updated OUTN when Rank1 latch written into Rank2 latch. Rank2 latch read back from control interface ADDRESS verify switch configuration. DECODER Further power savings realized, since logic circuitry utilizes CMOS technology.
LOGIC TRANSLATORS LOGIC TRANSLATORS CURRENT MODE OUTPUT BUFFERS WITH DISABLE LOGIC TRANSLATORS FIRST RANK 7-BIT LATCH SECOND RANK 7-BIT LATCH INPUT DECODERS
2.5Gb/s SWITCH ARRAYS POWER OUTPUT ALTERNATIVE CROSSPOINT SWITCHES
Package, Channel, Pricing Availability
AD8151 packaged 184-lead LQFP package over extended temperature range 25°C 85°C. Budgetary pricing $135 1,000 unit volumes. Production quantities expected available January 2001 through authorized distributors direct sales offices.
AD8151
$0.00
$2.00
$4.00
$6.00
$8.00
$10.00
$12.00
$14.00
$16.00
$18.00
$20.00
PRICE OUTPUT $-1k
WORLD'S NUMBER BRAND HIGH-PERFORMANCE ANALOG ICs.
Design Engineers Face Limited Battery Life, Poor Performance, Obstacles Transitioning SingleSupply Amps
When customers make decision move from precision amps single-supply amps, making transition problematic. Oftentimes, they faced with high cost design-in headaches having completely part. Engineers want amps that offer high performance extend battery life their high-volume market. Early entrants lowcost, auto-zero market compromised performance forced designers expensive chopper amplifiers. That's Analog Devices developed OP7x7 family AD855x/AD857x.
OP7x7 Single Supply, Precision Amps
standard precision amps with OP07. Now, sets standard with OP727/OP747/OP777. They precision amplifiers featuring true single-supply, micropower operation rail-to-rail outputs. Single, dual, quad, respectively, they have very offset, drift, noise making them right choice today's growing range low-voltage industrial applications. 5.000V
REF02EZ 10.7K 40.2k 124k 2.74k 53.6
single-supply operation: dual-supply operation: supply current: A/Amp, 1/10 OP07 offset voltage: unity gain stable phase reversal; series input protection specified over industrial temperature range
Price $1.69 Price $3.10 Price $1.13
1N4148
K-TYPE THERMOCOUPLE 40.7 5.62k
OP777
5.00V
APPLICATIONS
OP727 OP747 OP777
line-powered portable instrumentation remote sensor signal conditioning industrial controls precision filters
packages include: MSOP, TSSOP, SOIC
Zero-Drift Amps Offer High-Volume Applications
20-Bit Accuracy $1.14
Designed specifically high-volume applications, AD855x/AD857x world's highestaccuracy auto-zero amps. Priced percent lower than competitive parts, they offer better than 20-bit accuracy starting $1.14. Available single, dual, quad, AD855x/AD857x offset voltage over 40°C 125°C. They have almost unmeasurable offset drift with time temperature, lowest noise their class, noise. Plus, they have same overload recovery time standard amp. there's none wait with standard auto-zero amps. LMC2001 Output, 22kHz Sinewave Input addition these features, AD857x offers ADI's patented spread spectrum technology, which eliminates clock noise spikes aliasing. first auto-zero amplifier broadband applications, such robotics, dynamic weigh scales, other "moving" signal applications. 20-bit accuracy $1.14 40°C 125°C
AD8551 AD8552 AD8554 AD8571 AD8572 AD8574
AD8572 Output, 22kHz Sinewave Input OUTPUT 5000 10000 15000 FREQUENCY 20000 25000
offset voltage: over almost unmeasurable drift
APPLICATIONS
medical industrial automotive instrumentation battery management wide range temperature, current, voltage, pressure, other sensor applications
lowest noise auto-zero amplifier shortest overload recovery among auto-zeroing amplifiers rail-to-rail input output
Price $1.14 Price $2.11 Price $4.05 Price $1.14 Price $2.11 Price $4.05
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Overcoming Dilemma Short Battery Life Hand-Held Devices, Slow Comparators, Long Propagation Delay
Engineers have long been challenged with extend life battery-operated systems without spending money. Now, thanks Analog's high-precision expertise, engineers finally have cost-effective increase performance extend battery life with AD8631/AD8632. Traditionally timing circuit line receiver applications, designers have been forced work with comparators that just slow. Analog Devices also recognized this dilemma demand fast comparators that offer wide input bandwidth short propagation delay.
Low-Voltage, High-Performance Amps Extend Battery Life
AD8631 AD8632 low-voltage, low-power operational amplifiers with fully specified performance AD8631 AD8632 provide system design engineers cost-effective solution increase performance extend battery life battery-operated systems. They operate power with maximum supply current bandwidth. Their noise distortion make them ideal audio applications such low-voltage microphone preamplifiers. addition, AD8631/ AD8632's slew rate makes them reliable match driving applicationspecific inputs, such voice codecs. supply
APPLICATIONS
AD8631 AD8632
cell phones mini-disc players personal digital assistants portable instrumentation
slew rate supply current
Price $0.64 Price $0.83
bandwidth
Ultrafast, Single-Supply Comparators
AD8611 (single) AD8612 (dual) ultrafast comparators that feature wide input bandwidth, extremely short propagation delay, TTL/CMOS-compatible outputs. Both single- dual-comparator packages have input bandwidths nanosecond propagation delays covering wide range application performance requirements. They operate from single-supply voltage AD8611/AD8612 also have latch functions, complementary inputs outputs, closely matched rising falling time accurate clock recovery. AD8611 available either 8-lead MSOP 8-lead SOIC packages AD8612 sold 14-lead TSSOP. Device specifications cover industrial temperature range 40°C 85°C. input bandwidths propagation delays TTL/CMOS compatible output latch functions single supply
TEMPERATURE DELAY
TEMPERATURE OVERDRIVE 10mV
APPLICATIONS
AD8611 AD8612
timing circuits line receivers clock recovery
Price $2.00 Price $3.37
WORLD'S NUMBER BRAND HIGH-PERFORMANCE ANALOG ICs.
Finding Small Enough Implemented Tiny Applications
applications such portable equipment, finding low-power, low-voltage functions small applications been challenge. Many DACs require external reference large portable/battery equipment. Now, Analog offers AD5300 family DACs that smaller than competitive devices currently available.
Largest Family Smallest DACs
AD5300 family based innovative architecture that been patented (U.S. patent numbers 5,684,481 5,969,657). first voltage range selected tapping single resistor potential divider resistor string. This then either second resistor chain from which final voltage tapped off. unique implementation this two-stage approach permits exponentially fewer discrete resistors used when compared with conventional designs, resulting much smaller higher performing product. This architecture, combined with leading-edge design, allows low-power, low-voltage functions implemented very small packages. first members AD5300 released were single dual voltage output parts with I2Cinterface SOT-23 packages. World's Smallest DACs released quad channel members with serial interfaces January, parallel interface parts (single/dual/quad) were released April. These parts ideal portable/battery equipment with A/50 operating/standby, (rail-rail output), microsize packages (SOT-23/ SOIC/TSSOP), also highly suitable high-density/channel-count communications networking boards. operating (per DAC) supply SOT-23/ SOIC/TSSOP standby monotonic
QUAD OUTPUT WITH SERIAL INTERFACE
POWER-ON RESET INPUT REGISTER REGISTER STRING BUFFER
AD5300
POWER-ON RESET REF( REF( 8-BIT OUTPUT BUFFER
REGISTER
INPUT CONTROL LOGIC
POWER-DOWN CONTROL LOGIC
RESISTOR NETWORK
SYNC
SCLK
APPLICATIONS
portable battery-powered equipment high-density, high-channel count communications/network cards automotive 105°C) instrumentation control systems
PATENTED ARCHITECTURE (SIMPLIFIED)
VREF RGAIN
rail-to-rail output 8-/10-/12-bit (pin-compatible) single/dual/quad channel serial/parallel interface
DUAL OUTPUT WITH PARALLEL INTERFACE
VREFA
VOUT
POWER-ON RESET INPUT REGISTER INTERFACE LOGIC REGISTER 8-BIT
SCLK
INTERFACE LOGIC
INPUT REGISTER
REGISTER
STRING
BUFFER
BUFFER
VOUT
VOUTA
SYNC
INPUT REGISTER REGISTER STRING BUFFER
VOUT
INPUT REGISTER
REGISTER
8-BIT
BUFFER
OUTB
INPUT REGISTER REGISTER STRING BUFFER
VOUT
LDAC
RESET
POWER-DOWN LOGIC
POWER-DOWN LOGIC
VREFB
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Quad Output Serial Interface DACs
Model Resolution (Bits) Output Parallel Input Settling Time typ) Package Price AD5304 AD5305 Serial, 3-Wire (SPI) 10-Lead SOIC $2.95 Serial, 2-Wire (I2C) 10-Lead SOIC $2.95 Serial, 3-Wire (SPI) 10-Lead SOIC $3.55 AD5314 AD5315 Serial, 2-Wire (I2C) 10-Lead SOIC $3.55 Serial, 3-Wire (SPI) 10-Lead SOIC $6.95 AD5324 AD5325 Serial, 2-Wire (I2C) 10-Lead SOIC $6.95
Serial Selection
AD5300 Serial Input
8-Bit 10-Bit 12-Bit
3-Wire (SPI)
2-Wire (I2C)
3-Wire (SPI)
2-Wire (I2C)
3-Wire (SPI)
2-Wire (I2C)
AD5300
AD5302 AD5303
AD5304 AD5307
AD5301
AD5305 AD5306
AD5310
AD5312 AD5313
AD5314 AD5317
AD5311
AD5315 AD5316
AD5320
AD5322 AD5323
AD5324 AD5327
AD5321
AD5325 AD5326
Parallel Interface DACs
Model Resolution (Bits) Outputs Input Parallel Settling Time typ) Package Price 20-Lead TSSOP $1.95 Parallel 20-Lead TSSOP $2.10 Parallel 20-Lead TSSOP $2.95 Parallel 24-Lead TSSOP $3.00 Parallel 24-Lead TSSOP $3.35 AD5330 AD5331 AD5332 AD5333 AD5334 AD5335 Parallel, Byte 24-Lead TSSOP $3.85 AD5336 Parallel 28-Lead TSSOP $4.00 AD5340 Parallel 24-Lead TSSOP $3.25 AD5341 Parallel, Byte 20-Lead TSSOP $3.00 28-Lead TSSOP $5.00 AD5342 Parallel AD5343 Parallel, Byte 20-Lead TSSOP $4.70 AD5344 Parallel 28-Lead TSSOP $7.95
Parallel Selection
AD5300 Parallel Input
8-Bit 10-Bit 12-Bit
AD5330
AD5332
AD5334
AD5331
AD5333
AD5335 (Byte) AD5336
AD5340 AD5341 (Byte)
AD5342 AD5343 (Byte)
AD5344
WORLD'S NUMBER BRAND HIGH-PERFORMANCE ANALOG ICs.
Maintaining Superior Performance, Power, Long Battery Life Design Challenge
Testing systems when field requires portable system that operate with extended battery life high performance. Also, most digital beam-forming ultrasound systems have channels reflected signals, requiring each dissipate lowest amount power while still maintaining superior dynamic performance. Analog's ADCs offer solutions these design obstacles.
Portable Instrumentation Applications Enabled with Low-Power ADCs
Recent breakthroughs development low-power, highspeed ADCs have enabled portable systems operate with extended battery life while still maintaining bench-top system performance. single AD9283 dual AD9288 first true 8-bit high-speed devices capable operating MSPS while dissipating less than mW/channel (each available additional speed grades from MSPS). single AD9214 leads industry 10-bit performance, operating MSPS while dissipating less than mW/channel.
CHANNEL AMP/ CLAMP MEMORY FIFO AMP/ CLAMP VIDEO DACS CONTROLLER CONTROL UNIT HIGH VOLTAGE VIDEO DRIVER AMPS
CHANNEL
CLOCK
APPLICATIONS
AD9283 AD9288
portable oscilloscopes portable communications test equipment portable video system test equipment
Price $3.00 Price $4.95
Each been optimized maintain outstanding SINAD performance over entire encode range over wide range analog input frequencies. entire family ADCs full-power bandwidths excess MHz, making them ideally suited high-speed portable test equipment applications. power consumption wide full-power bandwidth (>300 MHz) pin-compatible speed grades
Ultrasound System Design Solutions Offer Breakthroughs Power/Performance
latest products from Analog Devices offer most comprehensive solutions available market today-from pin-compatible family converters (8-bit dual AD9288, 40/80/100 MSPS 10-bit AD9214, 65/80/105 MSPS with ENOB performance 9.3, respectively), 12-bit AD9235, 20/40/65 MSPS with ENOB performance 11.3. Each these converters reduces system power consumption, allowing design more receive channels board-reducing system size, simplifying upgrade paths future. AD9214, AD9235, AD9288, coupled with ADI's other product offerings medical imaging applications (e.g., time/gain amplifiers, power management, interface, DSP), provide uncompromisingly complete solutions improving system design cost, reliability, TxDAC time market. BEAMFORMER
power consumption ranging from exceptional ENOB performance: 11.3
AD9214 AD9235 AD9288
DEMUX
VIDEO
AUDIO OUTPUT
APPLICATIONS
digital ultrasound medical imaging
Price 8.40 Price $10.44 Price 4.95
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Finding ADCs Small Packages with Power Consumption Longer Concern Designers
Many applications today require ADCs that offer only fast throughput power dissipation, also small package size. with many portable applications market, finding that both extends battery life increases performance essential. Analog erased concern.
World's First 8-Bit, 10-Bit, 12-Bit ADCs SOT-23 Packages Convert MSPS Rate
12-bit AD7476, 10-bit AD7477, 8-bit AD7478 (Successive Approximation) converters with maximum throughput rate MSPS while consuming just and, amazingly, packaged tiny 6-lead SOT-23s. Power consumption further reduced lower throughput rates lowering clock rate using power-down mode. Specified supplies 2.35 5.25 parts handle input frequencies excess MHz, courtesy low-noise, wide bandwidth track/hold amplifier. With reference coming from power supply, analog input range supply, realizing ratiometric operation. Digital interface high-speed serial port that SPI-/ QSPITM-/MICROWIRETM- DSP-compatible. architecture ensures pipeline delay experienced similar speed-flash/half-flash architectures.
50000 100000 150000 200000 250000 300000 350000 400000 450000 500000
PART: AD7476
SNR: 71.43dB 70.86dB RATE: 1MSPS SUPPLY: 2.7V IDD: 1.2mA TEMP: 55°C
125°C
APPLICATIONS
AD7475 AD7476 AD7477 AD7478 AD7495
battery-operated instruments remote/high-speed data acquisition medical instrumentation digitization
More Flexible Reference Capability
AD7475 AD7495, from same family lowpower, high-speed ADCs, 12-bit MSPS parts with addition REFIN /REFOUT logic power supply (VDRIVE) pin. Both packaged 8-lead SOIC SOIC packages; AD7475 requires external reference, while AD7495 provides internal reference. parallel interface version, refer AD7492, which includes internal reference clock oscillator.
Price $4.25 Price $4.00 Price $2.50 Price $0.95 Price $5.20
SPECTRAL PLOT;
10MHz, 40MSPS, DIFFERENTIAL INPUT SFDR 59.9dB 75dB 82dB
10-Bit, MSPS Extends Battery Life High-Speed Systems
More more, imaging systems, test equipment, radio receiver systems applications going portable, making power consumption important consideration when choosing ADC. full speed MSPS), 10-bit AD9203 true 10-bit converter that delivers ENOBs guarantees missing codes) will dissipate just (and mere 0.65 standby mode). This incredibly power consumption, combined with small 28-lead TSSOP packaging, extends battery life performance beyond that previously obtainable. input voltage range support
12.5
17.5
APPLICATIONS
AD9203
imaging systems portable test equipment radio receiver systems
Price $4.90
data format select option built-in internal clamp
WORLD'S NUMBER BRAND HIGH-PERFORMANCE ANALOG ICs.
Finding That Offers Cost, Power, High Speed
Designers also constantly looking ADCs that offer power cost, also achieve high speed. there solution market help meet this need applications such hand-held, battery-operated instruments, instrumentation control systems, highspeed modems.
World's Smallest, Lowest-Cost, 12-Bit Accurate
AD7740 low-cost, high-performance synchronous voltage-to-frequency converter works from single 4.75 5.25 supply. Available 8-lead SOT-23 SOIC packages, contains on-chip reference that overdriven. analog input REFIN, output frequency goes from CLKIN. AD7740 contains user-controlled input buffer that offers typical input impedance when (typical) when off. When buffer off, input STEP voltage range extend down BUFFER OPERATION STEP below true bipolar operation. WIRE CRYSTAL
maximum input frequency 0.012% span reference voltage range typical operating current
RESENATOR HERE
STEP
AD7740KRM STEP
APPLY HERE
MEASURE OUTPUT FREQUENCY HERE
STEP
APPLY HERE
STEP
INTERNAL REFERENCE VOLTAGE APPEARS HERE APPLY INPUT VOLTAGE HERE
APPLICATIONS
AD7740
low-cost, high-resolution data acquisition battery monitoring automotive sensing signal isolation
Price $0.90
World's Smallest 2-Channel 8-Channel 12-Bit ADCs
SCLK 2MHz
POWER
SCLK 2MHz
0.01 THROUGHPUT
AD7887 (2-channel) AD7888 (8-channel) low-power, low-cost ADCs 16-lead TSSOP SOIC packages. These complete devices include multiplexing, sample-hold, reference, 12-bit conversion, flexible DSP-compatible serial interface (compatible with SPI, QSPI, MICROWIRE). Specified operate from through 5.25 they offer kSPS throughput rate using serial clock. Features include power-down mode power conservation short-cycled conversions six, eight, bits lower power higher speed. smallest multichannel 12-bit ADCs cost, power
APPLICATIONS
AD7887 AD7888
hand-held, battery-operated instruments instrumentation control systems high-speed modems
Price $3.05 Price $3.85
2-channel 8-channel multiplexing
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Greater Achievements Multipurpose ADCs
Today, high-speed applications requiring lower levels power consumption achieve best level performance. response this requirement, Analog Devices offers ADCs that consume less power than competition, while handling input frequencies greater than MHz. applications like fiber optics high-speed data acquisition, achieving explosive growth been challenge pipeline delays missing codes. That problem been solved with 16-bit sampling family ADCs.
Speed 1/10th Power 12-Bit Delivers MSPS
AD7470/AD7472 10-/12-bit pincompatible successive approximation ADCs consume times less power than equivalent competitive devices. These externally clocked ADCs have speed power tailored 1.75 MSPS (10-bit) MSPS (12-bit) applications. Both devices consume less than power supplies feature flexible power/throughput rate management scheme. parts contain low-noise, wide-bandwidth track/hold amplifier that handle input frequencies excess MHz. Both parts fully specified 5.25 operation consume just sleep mode. These parallel devices come 24-lead TSSOP SOIC. 1.75 bits bits with supply thoughput 5.25 specified range
POWER
AD7470/AD7472 10-BIT/12-BIT POWER/SPEED, 100kHz 1.7MHz
"SPEED WITH NEGLIGIBLE POWER!"
THROUGHPUT MSPS
APPLICATIONS
AD7470 AD7472
modems professional cellular radio base stations portable communications assistants telecomms test equipment scanners
Price $4.50 Price $6.25
16-Bit Sampling Family
AD7660 AD7664 first products family 16-bit sampling ADCs. kSPS throughput, AD7664 breaks ground monolithic sampling 16-bit ADCs. kSPS AD7660 offers 15-bit missing codes resolution price. With pipeline REFGND latency, both products ideal multiplexed well single-channel applications. This AD7660 family operates single supply, SWITCHED power consumption scales linearly with sample rate. separate supply provided DATA [15:0] AVDD output drivers, which allows parts interBUSY face easily with logic. Also, both CLOCK CONTROL LOGIC serial parallel interfaces provided. CALIBRATION CIRCUITRY SER/PAR input range AD7660 AD7664 AD7660 typically consumes only kSPS, only CNVST SPS. AD7664 consumes less than kSPS. Both products curAPPLICATIONS rently sampling 48-lead LQFP package. data acquisition
SERIAL PORT PARALLEL INTERFACE
INGND
AD7660 AD7664
instrumentation medical instruments automatic test equipment battery-powered systems
Price 7.50 Price $18.00
AD7664: kSPS, 16-bit resolution AD7660: kSPS, 15-bit resolution pipeline latency
WORLD'S NUMBER BRAND HIGH-PERFORMANCE ANALOG ICs.
Difficulties Adjusting Pixel-Rate Gain
pixel inherently able distinguish between colors. order separate incoming light into series colors, color filters placed over each pixel array mosaic pattern. These filters arranged variety patterns colors, depending manufacturer. arrays typically output data serial fashion from single channel. sequence which color information comes depends filter pattern scanning technique. example, progressive-scan that uses Bayer filter will output data following order: responsivity each color this array will different. With white light, green pixels, example, much stronger than blue pixels. each pixel able utilize full dynamic range ADC, variable-gain amplifier (VGA) required before ADC. This must able switch gain settings appropriate value each color pixel rate. were capable changing gain pixel rate, gain would have fixed such that "strongest" color would utilize full dynamic range ADC. this gain setting, "weaker" colors would have smaller dynamic range relative "stronger" color.
line even line line even line
PxGAto Rescue
Analog Devices addressed this issue developing pixel-rate-gain amplifier (PxGA). AD9841 AD9842 12-bit AFEs that PxGA technology individually switch gain coefficients into pixel rate. Using example progressive-scan with Bayer filter, each pixel would have gain coefficient applied, allowing each color utilize full dynamic range ADC, maximizing SNR. Furthermore, effect nonlinearity analog domain will reduced, because colors being processed similar amplitudes.
PxGA
APPLICATIONS
digital still cameras digital video camcorders
AD984x Family Analog Front Ends
AD984x family group highspeed, low-power CMOS analog front ends imaging applications that area-CCD arrays. They feature industry-leading lows noise, nonlinearity, power consumption speeds MHz. AD984x family ideal low-voltage, high-speed, portable imaging applications, such digital still cameras digital video camcorders-as well other imaging system using interlaced progressive-scan area-CCD arrays (including machine vision, security cameras, scientific spectroscopy, video conferencing, digital copiers).
10-bit AD9840, AD9841, AD9843 have exceptionally noise (~0.2 output noise, SNR), operate speeds MHz, ideal progressive-scan high frame-rate video applications. 12-bit AD9842 AD9844 have ideal high-end, high-resolution applications. battery-powered applications, AD9840 offers lowest power consumption available, MHz. Although AD984x AFEs single-channel products, their digital output three-state outputs-so several AFEs used multichannel high-speed applications. digital camera analog front ends table below lists critical specifications.
Digital Camera Analog Front Ends
(LSB) (dB)* Input Range (Vp-p) Gain Range (dB) Control Type Black Level (LSB) Video Inputs
Generic
Resolution (Bits)
(MSPS)
Power (mW)
PxGA
Price
AD9840 AD9841 AD9843 AD9842 AD9844
Digital Digital Digital Digital Digital
$5.66 $4.94 $4.28 $7.25 $6.59
*SNR calculated log10 (full-scale output/rms output noise)
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Limited Space Cameras Puts Signal Processing Design Test
front camera consists imaging sensor followed several blocks analog signal conditioning (including restore, black level clamping, correlated double sampling, programmable gain adjustment, analog-to-digital conversion) prior being processed digital domain. cameras have considerable space constraints desirable integrate much analog signal processing circuitry possible, without sacrificing necessary performance demanded camera OEMs their customers.
AD9804 complete analog signal processor applications. features single-channel architecture designed sample condition outputs interlaced progressive scan area arrays. fact, AD9804 integrates analog signal conditioning circuitry required camera space-saving 48-lead LQFP. AD9804 features best-in-class specs noise (less than gain), nonlinearity (0.5 LSB), power consumption (less than mW), which turn will enable designers produce cameras that have unsurpassed image quality. Using innovative compact circuit core, AD9804 allows camera image quality approach that expensive digital still cameras while being economical enough viable fiercely competitive market cameras. MSPS correlated double sampler 10-bit (Variable Gain Amplifier) low-noise clamp circuits preblanking function
Space-saving, economical, power
AREA ARRAY
ANALOG FRONT
IMAGE PROCESSING UNIT
COMPRESSION
HOST INTERFACE
VERTICAL DRIVE
BIAS TIMING GENERATION
APPLICATIONS
AD9804
cameras digital still cameras
Price $3.95
WORLD'S NUMBER BRAND HIGH-PERFORMANCE ANALOG ICs.
Worldwide Headquarters Technology P.O. 9106 Norwood, 02062-9106 U.S.A. Tel: 4700, 5643, U.S.A. only) Fax: 8703 World Wide Website: http://www.analog.com Europe Headquarters Westpark D-81373 Germany Tel: 76903-0 Fax: 76903-157 Japan Headquarters Pier Takeshiba South Tower Building 1-16-1 Kaigan, Minato-ku Tokyo 105-6891, Japan Tel: 5402 8200 Fax: 5402 1063 Southeast Asia Headquarters 4501 West Tower Times Square Causeway Bay, Hong Kong, Tel: 9336 Fax: 4755
Those Dynamic Duals
Whether designing next-generation cellular base station, wireless local loop, high-speed modem, Analog Devices developed baseband quadrature conversion receive transmit solutions meet your requirements. This broad portfolio dual, high-speed ADCs DACs designed meet ever-increasing demands quadrature architectures diversity transceivers. Such demands include wider dynamic range higher sampling rates, lower power, increased channel matching isolation, higher levels integration within smallest possible package.
DEMODULATOR
Description 8-Bit MSPS, SSOP 10-Bit MSPS, SSOP (Pin-Compatible with AD9281) 8-Bit MSPS, LQFP 10-Bit MSPS, LQFP (Pin-Compatible with AD9288)
AD8347
AD9281
AD9201
RSSI
VCO/SYNTH COMBINER/ SPLITTER
AD9288 AD9218
ADF4xx
HIGH POWER
MODULATOR POWER DETECT CONTROL
AD9709/AD9763/ AD9765/AD9767 AD9761
Description 6-/10-/12-/14-Bit MSPS 10-Bit MSPS
AD8346
AD8314, AD8313, AD8361
APPLICATIONS
AD9066 AD9201 AD9218 AD9281 AD9288 AD9709 AD9761 AD9763 AD9765 AD9767
quadrature radio front ends wireless local loop feedforward linearization low-cost cellular base stations ultrasound
ANALOG DEVICES' SOLUTIONS BULLETINS GLANCE
ADCs DACs Amplifiers Communications Low-Power Solutions High-Speed Linear
Price 3.23 Price 4.94 Price $15.11 Price 3.86 Price 5.40 Price 5.74 Price 8.70 Price $11.28 Price $21.99 Price $27.71
trademarks service marks property Analog Devices, Inc., unless otherwise noted. QSPI trademarks Motorola, Inc. MICROWIRE trademark National Semiconductor Corporation. registered trademark Philips Corporation.
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