THIS ISSUE True Pseudo Differential ADCs Fastest Multiplexed, Con

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THIS ISSUE True Pseudo Differential ADCs Fastest Multiplexed, Con

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Precision Converters
THIS ISSUE
True Pseudo Differential ADCs Fastest Multiplexed, Converters World's Fastest Multiplexed Serial ADCs ADCs Direct Pressure Measurement Smallest, Most Precise Digital Temperature Sensors Options Thermal Monitoring with Control 16-/8-Channel DACs Packed into Power Octal DACs Current Family DACs
16-Bit, MSPS, ADC: Design Brilliance Warp Speed
Specifying High Performance Data Converters Digital Potentiometers MicroConverter® Products Switch Solutions
Energy Metering iCoupler® Products
chieving higher sampling rates with 16-bit ADCs great, compromising performance not. Analog Devices continues industry standard providing only fastest ADCs also most accurate. standard speed performance MSPS with AD7677; we've pushed envelope MSPS with 16-bit AD7621. latest addition PulSAR® family ADCs features missing codes, just error, signal-to-noise ratio (SNR). These features make AD7621 fastest most accurate available- faster than closest competition three times more accurate. AD7621 available both 48-lead LQFP (low profile quad flat pack) 48-lead LFCSP (lead frame chip scale) packaging, pin-for-pin compatible with other PulSAR ADCs including AD7677. Other features include internal reference, three power-down modes, three conversion rates (impulse, normal, warp), parallel serial interfaces, V/3.3 V/2.5 compatible logic.
APPLICATIONS
Communications High speed data acquisition Instrumentation Spectrum analysis High scanner
AD7621 Price $29.95
reply card center information receiving copy Sensors magazine article "Choosing Right Your High-Resolution ADC."
prices this bulletin quantities greater than 1,000 (unless otherwise noted), recommended lowest grade resale, U.S.A.
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When High Performance Noise Critical, Choose ADI's True Pseudo Differential ADCs
AD745x AD744x 12-bit 10-bit differential input serial ADCs that offer great combination speed power, plus wide array functionality choices. true differential inputs, complementary signals applied (-). Alternatively, pseudo differential case, used offset.
AD7450A
Specified Fully differential pseudo differential analog inputs Wide input bandwidth: High speed serial interface: /QSPITM/MICROWIRETM/ compatible Power-down mode: 8-lead SOT-23 MSOP
Part Number AD7450A AD7452 AD7440 AD7451 AD7453 AD7457 AD7441
Input True Differential True Differential True Differential Pseudo Differential Pseudo Differential Pseudo Differential Pseudo Differential
Resolution (Bits)
Throughput (kSPS) 1,000 1,000 1,000 1,000
Power (mW)
Price ($U.S.) 4.35 2.95 2.50 4.55 2.95 2.05 2.50
Simply Fastest Multiplexed Converters Available
Family Features Throughput rates MSPS Multichannel inputs Parallel interface Accurate on-chip reference analog inputs with channel sequencer power: MSPS power supply
Part Number AD7938/AD7938-6 AD7934/AD7934-6 AD7939 AD7933 Resolution (Bits) Channels Interface Parallel/Byte Parallel/Byte Parallel/Byte Parallel/Byte Speed (kSPS) 1,500/600 1,500/600 1,500 1,500 Package Price ($U.S.)
32-Lead TQFP 7.35/3.95 28-Lead TSSOP 7.10/3.70
32-Lead TQFP 3.75 28-Lead TSSOP 3.50
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World's Fastest Multiplexed 12-/10-/8-Bit Serial ADCs Have Channels
multichannel ADCs offer significant flexibility terms channel count, interface style, throughput rates. Channel counts span (for AD7490), while throughput rates range from kSPS MSPS. Accordingly, power dissipation runs from devices have based architectures provide 12-bit, 10-bit, 8-bit resolution. They operate from single 5.25 power supply, front includes noise, wide bandwidth track/hold amplifier that handle input frequencies excess MHz.
Part Number AD7490 AD7928 AD7927 AD7924 AD7923 AD7918 AD7914 AD7908 AD7904 Resolution (Bits) Speed (kSPS) 1,000 1,000 1,000 1,000 1,000 1,000 1,000 Channels Price ($U.S.) 5.95 4.75 2.80 4.50 2.55 3.25 3.00 1.85 1.55
16-channel analog inputs Fast throughput rates: kSPS MSPS Specified 5.25 power: MSPS Channel sequencer Wide input bandwidth: Flexible power/serial clock speed management 28-/20-/16-lead TSSOP
Challenge Direct Pressure Measurement
AD779x family ADCs addresses challenges surrounding direct pressure measurement. With noise (1.5 power max), high functionality, family, AD7791, ideal power, cost solution. These parts also feature on-chip internal clocks buffers, 16-bit 24-bit resolution, tiny MSOP.
Enables cost, power solution Bridge connects directly AD7791 (external signal conditioning required) power supply AD7791 used reference
AD7791
Power
High Precision Temperature Measurement AD7719 AD7783 AD7714 AD7711
High Weigh Precision Scale Pressure Measurement AD7791* AD7719 AD7730 AD7714 AD7730 AD7730L AD7791 AD7789 AD7719 AD7714 AD7788 AD7790
Multichannel
Rail-to-Rail On-Chip Buffer
High Analog Input Voltage (±10 AD7732 AD7734 AD7712
Bipolar Inputs (±2.5
Configurable
24-Bit
ADCs
AD7791 AD7789* AD7719 AD7714
AD7738 AD7734 AD7732 AD7718 AD7714 AD7731 AD7708
AD7791 AD7718 AD7719 AD7782 AD7783 AD7790 AD7708 AD7709
AD7710 AD7711 AD7712
AD7782 AD7783
16-Bit
ADCs
AD7788* AD7709 AD7790* AD7705 AD7706 AD7715
AD7707
*Newest lower power 24-bit converters, priced from $1.99.
±1°C Temperature Sensor SC70 Package Ideal Multiple Board Locations
measure temperature more than location? It's common challenge next-generation designs. now, adding multiple temperature sensors board longer problem with accurate, tiny, cost, simple-to-use devices from Analog Devices.
TMP05 TMP06 more than smallest most precise digital temperature sensors available- they're also incredibly simple use. single-wire output easily interfaces with microcontroller used daisy-chain mode with multiple units across board. these advances come competitive price: from $0.74 $0.95, depending grade.
DAISY-CHAIN MODE
±1°C accuracy from 70°C -40°C +150°C temperature range 5-lead SC70 package Operation from shot mode reduces power consumption TMP05-CMOS/TTL output TMP06-open drain
APPLICATIONS
Portable applications Consumer goods Medical equipment Industrial applications Instrumentation
Three Levels Thermal Management-From Simple Most Advanced
Thermal Sensors with Internal Outputs Thermal Sensors with Programmable Limits Setpoint Controller
Thermal Sensors with Control Advanced High Frequency Control
Linearly Controlled
Advantages Adjustable voltage output DACs noise Mature technology SMBus/SPI interface Multichannel ADC/DAC
Advantages Most advanced control High frequency, high efficiency noise Wider control range than linear driven methods
Advantages Exceeds temperature limits triggered drive fan(s) full speed Simple easy Lowest cost SOT, MSOP packages Products AD7414 ADM1032 ADT7461
Products ADM1024 ADM1028 ADT7316 ADT7516
Products ADM1033/ADM1034 ADT7360 ADT7460/ADT7463 ADT7550
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Single-Supply 8-Channel DACs Pack Performance Functionality into
channel count DACs ideally suited power amplifier control, instrumentation, control systems, level-setting, application where board space premium. Only supplier provides channel density, high resolution, high accuracy, wide range features demanded these challenging designs.
Analog Devices' family high density DACs features industry's first 16-channel, 14-bit resolution, voltage-output operating from either single power supply-the AD5390. 12-bit version (the AD5391), 8-channel, 14-bit version (the AD5392) also available. devices offered 64-lead LFCSP 52-lead LQFP. These devices contain on-chip, drift references (2.5 1.25 eliminating need external reference reducing cost board space. parts also include user-programmable offset gain digital range adjustment system calibration. They offer high accuracy increased functionality, including boost mode that allows parts achieve faster settling times LDAC (load DAC) function that allows simultaneous update outputs. They offer rail-to-rail outputs supply voltage. addition, they offer choice I2C® serial interfaces, pin-for-pin compatible, allowing designer option generating different grades end-product appropriate. Visit website more information samples evaluation boards.
APPLICATIONS
Instrumentation industrial control Power amplifier control Level setting Control systems Medical equipment Optical line-cards Variable optical attenuators
Part Number AD5390-5/AD5390-3 AD5391-5/AD5391-3 AD5392-5/AD5392-3
Channels
Resolution (Bits)
(LSB)
Power Supply Package 64-Lead LFCSP, 52-Lead LQFP 64-Lead LFCSP, 52-Lead LQFP 64-Lead LFCSP, 52-Lead LQFP
Price ($U.S.) 23.90 19.90 14.90
Eight Power DACs
Footprint
pplications such base station power amplifiers laser diode controllers optical networking often need multiple programmable voltage setpoints with minimum board space.
AD5348 contains eight 12-bit unipolar DACs space efficient CSP. device parallel interface, operates from with output range from VREF VREF, typically consumes supply current. addition, readback feature allows data internal registers read back, which useful system validation. AD5346 AD5347 8-bit 10-bit alternatives, devices available either 38-lead TSSOP 40-lead with temperature rating 105°C.
AD5346 AD5347 AD5348 Price $2.95 Price $4.92 Price $8.41
Current Family DACs Make Great Building Blocks
nalog Devices' portfolio offers current DACs that extremely versatile because their fundamental simplicity. design, they software compatible, have serial parallel interfaces, single dual outputs. Their current outputs used well applications, paralleled injected into circuit node. addition, devices offer wide bandwidth, high speed interfaces, voltage supply with signal handling.
AD5415
feature rich, dual output AD5415 includes matched, uncommitted resistors various cost circuit designs, serial interface with daisy-chaining readback, asynchronous update LDAC, asynchronous clear CLR.
Features 8-lead MSOP signal with supply four quadrant processing parallel interfaces software compatible 8-/10-/12-bit parts Single dual output Benefits Small packages Wide signal/dynamic range voltage, power Wide bandwidth processing applications Very flexible Fast, zero wait states Easy design upgrade
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Specifying High Performance Data Converters
Versus Science
Editorial
many years ago, high precision data converter performance determined almost equal combination design process technology. processes necessary 12-bit 16-bit data converter performance tended complex BiCMOS processes that were never high volume consequently required expertise produce highly repeatable results. After fabrication, precision thin-film laser trimming technology typically utilized reduce variation inherent process, even then, automated testing usually employed divide resulting distribution into performance grades. Product performance obtained complex combination science, driving costs prices higher. This limited analog system designers' choices, forced them large design margins, many cases (particularly high volume applications) prevented them from achieving their systems' full potential. last five years have produced enormous advances analog design expertise submicron CMOS. This taken expensive less repeatable BiCMOS process equation provided stable cost platform generation high performance data converters. intrinsic limitations CMOS have steadily fallen under critical mass creative designers worldwide refused accept previous performance limits figured gain maximum advantage from CMOS' advantages extremely small well matched transistors. This produced tremendous benefits system designers. With vast choice high performance data converters TIMELINE emerging, they bring high AD677 AD977 AD7677 AD7674 AD7621 performance analog masses Year 1993 1997 2002 2003 2003 first time. interesting example Release 16-bit (analog-to-digital converter) market, previously synonymous Resolution Bits Bits Bits Bits Bits with high performance high cost. Over Accuracy ±1.5 ±2.5 last five years, speeds these devices (INL) ppm) ppm) ppm) ppm) ppm) have improved order magnitude, Speed kSPS kSPS MSPS kSPS MSPS with significant improvements accuracy power. These repeated design innovation successes have greatly increased demand high performance, affordable data converters, have predictably drawn many more competitors. This increased competitive noise resulted some companies compensating performance shortfalls choosing aggressive, sometimes misleading, marketing tactics. example, redefining what meant 16-bit converter that certainly data pins, which only yield barely 12-bit performance becoming increasingly common practice. could shrug that this transparent tactic that analog designers will immediately recognize, making product selection increasingly difficult. Resolution, INL, DNL, THD, have carefully examined, nothing secondary impact PSRR, CMRR, tempco, etc. also progressively more difficult electronic trade press make these distinctions their readers. result increasing incidence overhyped under-specified products market. Analog Devices does subscribe this philosophy. believe that products marketed high performance converters need comprehensively specified that way. Product specifications need balanced along critical dimensions with performance parameters easily achievable real-world system. Performance variation needs standardized allow minimal system design margins. goes extreme lengths simulate long-term process variation specify extremely capable data sheet limits ensure that products' specified performance achievable customers. strongly believe that high performance analog products need specified comprehensively transparently. overarching goal make design challenges easier allow designers produce system performance that exceeds their expectations delights their end-customers.
Push-Button Control Digital Potentiometers Just Easier
AD5228 first complete digital potentiometer with both debounce automatic scan capability increment decrement wiper position holding push-button activator place short period time. longer multiple button presses required change wiper position. Offering ideal solution brightness contrast controls portable equipment, these parts simplify resistor setting display driver circuit ICs.
AD5228
footprint
Multiple drift resistance options: Very power: Built-in adaptive debouncer Fast scan increment decrement
APPLICATIONS
contrast, brightness, backlight controls Mechanical potentiometer trimmer replacement designs Volume control Electronic front panel push-button control Portable device level adjustment Programmable power supply
Part Number AD5228 AD5227 AD5220 AD5222
Digital Interface Manual Push-Button Micro Controlled Micro Controlled Micro Controlled
Positions
Price ($U.S.)* 0.31 0.35 0.70 1.22
quantities 50,000
Nonvolatile Family Dual- Quad-Channel Compatible Digital Potentiometers
AD525x family dual quad 6-bit 8-bit resolution digital potentiometers ideal controlled applications network equipment power supply margining applications. AD5254 quad-channel, digitally controlled variable resistor (VR) with resolution positions. Internal nonvolatile memory ensures that wiper position kept last saved value after each power-on sequence. Additional user memory locations available store constants serial numbers. recording end-to-end resistance tolerance value allows AD525x parts programmed very precise 0.1% resistive settings resistance calibration source. AD5254's versatile programming microcontroller allows multiple modes operation adjustment, which includes direct mode, increment, decrement mode single step steps. Quad/dual 64-/256-position resolution Nonvolatile memory maintains wiper settings, with fast refresh Widest offering resistance options: 0.1% end-to-end resistance tolerance stored EEMEM compatible serial interface with wiper setting readback Linear taper increment/decrement Operating voltage
AD5251 AD5252 AD5253 AD5254
AD5254
Dual 64-Position Dual 256-Position Quad 64-Position Quad 256-Position
APPLICATIONS
base station power amplifier bias control Network power supply voltage margining Sensor calibration Electronic level setting Programmable gain offset control
$1.95 $2.37 $2.46 $2.99
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MicroConverter Products-Precision Converters with Embedded Flash
processing capabilities times faster than those previous offerings, ADuC84x family integrates high precision data conversion technologies with single-cycle 8052 Flash core produce user-programmable, system-on-chip ideal today's leading edge industrial applications.
ADuC845/ADuC847/ADuC848 complete, smart-transducer front ends, each with ADCs, temperature sensor, facilitating measurement level signals. ADCs, with on-chip digital filtering programmable output data rates, ideal measuring wide dynamic range, frequency signals range applications including smart transmitters, weigh scales, pressure transducers, chromatography, patient monitoring, energy metering, precision temperature monitors, many more. parts have multiplexed front accommodating 10-input channels. addition primary 24-bit ADC, ADuC845 24-bit auxiliary conventional 12-bit DAC. This auxiliary removed from ADuC847 simplified lower-cost option. ADuC848 16-bit version ADuC847. ADuC84x family devices chip scale packaging quad flat pack, specified 125°C.
ADuC845, ADuC847 Resolution (Bits) Update Rate Input Range Chop Disabled
Part Number
MIPS/MCU 12.6 MIPS 1-Cycle 8052 12.6 MIPS 1-Cycle 8052 12.6 MIPS 1-Cycle 8052
Flash (Bytes) Code Data1 Code Data1 Code Data1
Features
Price ($U.S.)
ADuC845 10-Channel, 12-Bit Single VOUT Dual 24-Bit, Dual ADuC847 10-Channel, 24-Bit, ADuC848 10-Channel, 16-Bit,
Byte 21-Bit Effective Resolution 11.132 Kbyte ADC. SingleEnded, Five Fully Differential AINs Byte Byte Effective Resolution Same ADuC845. Single-Ended, Five Fully Differential AINs 16-Bit Compatible Version ADuC847 6.952
Dual DAC) Dual DAC)
5.902
Three flash memory size options available: 62k, 32k,
Price smallest memory (8k) version.
More Design Options with Industry's Strongest Switch Portfolio
nalog Devices unwavering commitment bring leading-edge switch solutions customers. Whatever need-the industry's lowest RON, largest multiplexer, smallest package, smallest switch capacitance-Analog Devices' portfolio product match. Recent advances have included introduction highest bandwidth CMOS switch, lowest switch, highest channel multiplexer, range digital switches level translators.
Switch Solutions Portable Electronics Next-generation portable equipment demands superior audio performance, switch important element delivering this functionality. critical ensure that resistance audio switch varies very little over time, temperature, voltage range. newest family switches from ADI, ADG8xx series, specifically aimed such applications.
ADG8xx Family, High Performance Audio Switches
Part Number ADG801 ADG802 ADG819 ADG820 ADG821 ADG822 ADG823 ADG804 ADG836 ADG811 ADG812 ADG813 *Make-before-break Configuration SPST SPST SPDT SPDT* SPST SPST SPST NO/NC 0.25 0.25 (Typ) Package SOT-23, MSOP SOT-23, MSOP Price ($U.S.) 0.91 0.91
SOT-23, MSOP, WLCSP 0.94 SOT-23, MSOP MSOP MSOP MSOP MSOP, LFCSP MSOP, LFCSP TSSOP, LFCSP TSSOP, LFCSP TSSOP, LFCSP 0.94 1.02 1.02 1.02 0.98 0.98 1.22 1.22 1.22
This family delivers product with industry's lowest resistance specifications, only family type with guaranteed performance over full signal temperature range. users requiring strictest resistance specifications, ADG7xx series very high performance alternative, with typical only this case, resistance specification guaranteed over full signal range random voltage and/or temperature points, allowing more robust, reliable design.
SPDT SPST SPST SPST NO/NC
Advanced Packaging Enables High Density Electronics very highest density applications served Analog Devices' increasing range switch multiplexer products space-saving wafer-level packages. customers requiring tiny packages, WLCSP, SC70, SOT-23 packages excellent options. Typical applications requiring such package options mobile handsets PDAs.
Audio Switch Handset Applications
Download complete guide selecting ADI's switches multiplexers www.analog.com/switch-mux.
APPLICATIONS
Mobile handsets PDAs Automotive applications players Power signaling/routing Audio signal routing
Communications infrastructure Portable electronic systems
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Easily Increase Electricity Billing Accuracy with Analog Devices' Energy (ADE) Product Family
volume complexity household electrical equipment have increased tremendously over last years. Ballast lighting, computer monitors, conditioners welcome additions homes, they come with additional burden energy consumption. Utilities concerned that inductive capacitive loads unaccounted kWh-only billing with traditional electromechanical meters. Multifunction electronic energy meters based discrete components bill accurately presence nonlinear loads complex expensive design.
ADE7753 ADE7758 address advanced energy measurement needs providing signed active, apparent, reactive energies accommodate four-quadrant billing extract power factor information. Both products relieve burden writing extensive microprocessor code traditionally required when designing advanced meters with discrete components. Using these ICs, manufacturers realize faster time-to-market lower system cost higher functionality meters. ADE7753 used singlephase applications, ADE7758 accommodates 3-phase, 4-wire 3-phase, 3-wire configurations well 4-wire delta service. microprocessor ADE-based meter architecture used only system supervisory data management. critical measurements accurately computed with fixed function inside metering making possible small, cost microprocessor. ADE7758 analog inputs 3-phase distribution systems. ADE7753 diagram represents phase ADE7758. more information, visit www.analog.com/energymeter.
ADE7753
Single-Phase ADE7753 CURRENT SENSOR INTERFACE Current Transformer Shunt Rogowski Coil (di/dt input) MEASUREMENTS Active Energy Reactive Energy Apparent Energy, Voltage, Current Active Energy Pulse Output Reactive/Apparent Energy Pulse Output Temperature Sensor POWER INDICATION Reverse Active Power Detection Reverse Reactive Power Detection Phase Sequence Error Detection POWER QUALITY Current Voltage Waveform Samples Active Power Waveform Samples Reactive/Apparent Power Waveform Samples Peak, Zero-Crossing, Detection Frequency/Period Measurement BILLING CONFIGURATION Load Threshold Arithmetic/Absolute Value Accumulation Modes Positive Only Accumulation Mode AVAILABILITY Status Package
Poly-Phase ADE7758
Released 20-Lead SSOP
Sampling 24-Lead SOIC
iCoupler Multichannel Isolators Eliminate Optocoupler Size, Cost, Power Penalties
nalog Devices' family triple- quad-channel digital isolators chip scale transformer technology provide isolation solutions reduced size, cost, power relative optocouplers. These transformers, fabricated using wafer-scale processing, enable integration multiple channels either transmit receive directionality within single 16-lead SOIC package. result, triple-channel ADuM130x quad-channel ADuM140x families offered variety channel data rate configurations suit most applications. ADuM130x/ADuM140x models full production.
Worldwide Headquarters Technology P.O. 9106 Norwood, 02062-9106 U.S.A. Tel: 781.329.4700 (1.800.262.5643, U.S.A. only) Fax: 781.326.8703 Analog Devices, Inc. Europe Analog Devices 17-19, Georges Besse Parc Haute Technologie d'Antony F-92182 Antony Cedex, France Tel: 33.1.46.74.45.00 Fax: 33.1.46.74.45.01 Analog Devices, Inc. Japan Headquarters Pier Takeshiba South Tower Building 1-16-1 Kaigan, Minato-ku, Tokyo 105-6891, Japan Tel: 813.5402.8210 Fax: 813.5402.1063 Analog Devices, Inc. Southeast Asia Headquarters Tower, 4501-3 Times Square Matheson Street Causeway Hong Kong, Tel: 852.2.506.9336 Fax: 852.2.506.4755
ADuM130x/ADuM140x family multichannel isolators eliminate complexity optocoupler solutions. This most evident multichannel applications which optocoupler solutions involve multiple components, including individual optocouplers other discrete devices such resistors capacitors. typical 4-channel optocoupler solution consists components occupying square board area. comparison, iCoupler solution consists three components (ADuM140x bypass capacitors) occupies square board area. Furthermore, power consumption iCoupler solution 1/50 1/10 level optocoupler solution, depending signal data rate operating voltage.
power operation: mW/channel from Mbps mW/channel Mbps level translation feature -40°C +100°C temperature range Mbps data rate pulse width distortion channel-to-channel matching CSA, approval
Purchase licensed components Analog Devices sublicensed Associated Companies conveys license purchaser under Philips Patent Rights these components system, provided that system conforms Standard Specification defined Philips. 2003 Analog Devices, Inc. rights reserved. Trademarks registered trademarks property their respective owners. Printed U.S.A. PRC-NOV-2003 SB04426-80-11/03(0)
Analog Devices, Inc. Manley Street West Bridgewater, 02379-1039 Return Service Requested

THIS ISSUE True Pseudo Differential ADCs Fastest Multiplexed, Con

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