ANUAL LUATIO SHEET FOLLO 740MHz, Low-Noise, Low-Distortion Amps S

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ANUAL LUATIO SHEET FOLLO 740MHz, Low-Noise, Low-Distortion Amps S

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19-4757; 10/98
ANUAL LUATIO SHEET FOLLO
740MHz, Low-Noise, Low-Distortion Amps SOT23-5
2.1nV/Hz Voltage Noise Density Ultra-High 740MHz -3dB Bandwidth (MAX4304, AVCL 2V/V) 100MHz 0.1dB Gain Flatness (MAX4104/4105) 1400V/µs Slew Rate (MAX4105/4305) -88dBc SFDR (5MHz, 100) (MAX4104/4304) High Output Current Drive: ±70mA Differential Gain/Phase Error: 0.01%/0.01° (MAX4104/4304) ±1mV Input Offset Voltage Available Space-Saving 5-Pin SOT23 Package
General Description
MAX4104/MAX4105/MAX4304/MAX4305 amps feature ultra-high speed, noise, distortion SOT23 package. unity-gain-stable MAX4104 requires only 20mA supply current while delivering 625MHz bandwidth 400V/µs slew rate. MAX4304, compensated gains +2V/V greater, delivers 730MHz bandwidth 1000V/µs slew rate. MAX4105 compensated minimum gain +5V/V delivers 410MHz bandwidth 1400V/sec slew rate. MAX4305 +10V/V minimum gain compensation delivers 340MHz bandwidth 1400V/µs slew rate. voltage noise density 2.1nV/Hz -88dBc spurious-free dynamic range make these devices ideal low-noise/low-distortion video telecommunications applications. These amps also feature wide output voltage swing ±3.7V ±70mA output currentdrive capability. space-critical applications, they available miniature 5-pin SOT23 package.
MAX4104/MAX4105/MAX4304/MAX4305
Selector Guide
PART MINIMUM BANDWIDTH STABLE (MHz) GAIN (V/V) PIN-PACKAGE 5-pin SOT23, 8-pin 5-pin SOT23, 8-pin 5-pin SOT23, 8-pin 5-pin SOT23, 8-pin
_Applications
Video Preamp Pulse/RF Telecom Applications Video Buffers Cable Drivers Ultrasound Active Filters Input Buffers
MAX4104 MAX4304 MAX4105 MAX4305
Ordering Information
PART MAX4104ESA TEMP. RANGE -40°C +85°C PINPACKAGE SOT23-5 MARK ACCO
Typical Application Circuit
MAX4104EUK-T -40°C +85°C
Ordering Information continued data sheet.
Configurations
INPUT 16-BIT HIGH-SPEED
VIEW
MAX4304
MAX4104 MAX4105 MAX4304 MAX4305
SOT23-5
BUFFER WITH GAIN (AVCL 2V/V)
Configurations continued data sheet.
Maxim Integrated Products
free samples latest literature: http://www.maxim-ic.com, phone 1-800-998-8800. small orders, phone 1-800-835-8769.
740MHz, Low-Noise, Low-Distortion Amps SOT23-5 MAX4104/MAX4105/MAX4304/MAX4305
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (VCC VEE).+12V Voltage Ground.(VEE 0.3V) (VCC 0.3V) Short-Circuit Duration (VOUT GND).Continuous Continuous Power Dissipation +70°C) 5-pin SOT23 (derate 7.1mW/°C above +70°C).571mW 8-pin (derate 5.9mW/°C above +70°C).471mW Operating Temperature Range .-40°C +85°C Storage Temperature Range .-65°C +150°C Lead Temperature (soldering, 10sec) .+300°C
Stresses beyond those listed under "Absolute Maximum Ratings" cause permanent damage device. These stress ratings only, functional operation device these other conditions beyond those indicated operational sections specifications implied. Exposure absolute maximum rating conditions extended periods affect device reliability.
ELECTRICAL CHARACTERISTICS
(VCC +5V, -5V, 100k, TMIN TMAX, unless otherwise noted. Typical values +25°C.) PARAMETER Operating Supply Voltage Range Input Offset Voltage Input Offset-Voltage Drift Input Bias Current Input Offset Current Differential Input Resistance Common-Mode Input Resistance Input Common-Mode Voltage Range Common-Mode Rejection Ratio Positive Power-Supply Rejection Ratio Negative Power-Supply Rejection Ratio Quiescent Supply Current Open-Loop Gain Output Voltage Swing Output Current Drive Short-Circuit Output Current Open-Loop Output Impedance SYMBOL VCC/VEE TCVOS CMRR PSSR+ PSRRIS AVOL VOUT IOUT ZOUT -0.8V 0.8V Either input Guaranteed CMRR test -2.8V 4.1V 3.5V 5.5V -3.5V -5.5V VOUT -2.8V VOUT 2.8V, 100k short ground -2.8 ±3.5 -3.7 +3.8 ±3.0 -3.5 +3.4 CONDITIONS Guaranteed PSRR test VOUT MAX4_0_ESA MAX4_0_EUK ±3.5 +4.1 ±5.5 UNITS µV/°C
740MHz, Low-Noise, Low-Distortion Amps SOT23-5
ELECTRICAL CHARACTERISTICS
(VCC +5V, -5V, 100; +1V/V MAX4104, +2V/V MAX4304, +5V/V MAX4105, +10V/V MAX4305; +25°C; unless otherwise noted.) PARAMETER SYMBOL CONDITIONS MAX4104 -3dB Bandwidth BW(-3dB) VOUT 100mVp-p MAX4304 MAX4105 MAX4305 MAX4104 0.1dB Bandwidth BW(0.1) VOUT 100mVp-p MAX4304 MAX4105 MAX4305 MAX4104 Full-Power Bandwidth FPBW VOUT 2Vp-p MAX4304 MAX4105 MAX4305 MAX4104 Slew Rate VOUT 2Vp-p MAX4304 MAX4105 MAX4305 Settling Time 0.1% VOUT 2Vp-p MAX4104/ MAX4304 SFDR VOUT 2Vp-p MAX4105/ MAX4305 0.1% 0.01% 5MHz 20MHz 5MHz 20MHz 1000 1400 1400 0.01 0.02 0.01 0.02 degrees nV/Hz pA/Hz V/µs UNITS
MAX4104/MAX4105/MAX4304/MAX4305
Spurious-Free Dynamic Range
Differential Gain Error Differential Phase Error Input Voltage Noise Density Input Current Noise Density Output Impedance
ZOUT
NTSC, NTSC, 1MHz 1MHz 10MHz
MAX4104/MAX4304 MAX4105/MAX4305 MAX4104/MAX4304 MAX4105/MAX4305
740MHz, Low-Noise, Low-Distortion Amps SOT23-5 MAX4104/MAX4105/MAX4304/MAX4305
_Typical Operating Characteristics
(VCC +5V, -5V, 330, 100, +25°C, unless otherwise noted.)
MAX4104 SMALL-SIGNAL GAIN FREQUENCY (AVCL
MAX4104 TOC01
MAX4304 SMALL-SIGNAL GAIN FREQUENCY (AVCL
MAX4104
MAX4105 SMALL-SIGNAL GAIN FREQUENCY (AVCL
NORMALIZED GAIN (dB) VOUT 100mVp-p
MAX4104
GAIN (dB) 100k FREQUENCY (Hz) 100M VOUT 100mVp-p
NORMALIZED GAIN (dB) VOUT 100mVp-p
100k
FREQUENCY (Hz)
100M
100k
FREQUENCY (Hz)
100M
MAX4305 SMALL-SIGNAL GAIN FREQUENCY (AVCL +10)
MAX4104
MAX4104 GAIN FLATNESS FREQUENCY (AVCL
MAX4104
MAX4304 GAIN FLATNESS FREQUENCY (AVCL
NORMALIZED GAIN (dB) -0.1 -0.2 -0.3 -0.4 -0.5 VOUT 100mVp-p
MAX4104
NORMALIZED GAIN (dB)
VOUT 100mVp-p
GAIN (dB) -0.1 -0.2 -0.3 -0.4 -0.5 VOUT 100mVp-p
100k
FREQUENCY (Hz)
100M
100k
FREQUENCY (Hz)
100M
100k
FREQUENCY (Hz)
100M
MAX4105 GAIN FLATNESS FREQUENCY (AVCL
MAX4104
MAX4305 GAIN FLATNESS FREQUENCY (AVCL +10)
MAX4104
MAX4104 LARGE-SIGNAL GAIN FREQUENCY (AVCL
GAIN (dB) VOUT 2Vp-p
MAX4104 TOC9
NORMALIZED GAIN (dB) -0.1 -0.2 -0.3 -0.4 -0.5 100k FREQUENCY (Hz) 100M VOUT 100mVp-p
NORMALIZED GAIN (dB) -0.1 -0.2 -0.3 -0.4 -0.5 VOUT 100mVp-p
100k
FREQUENCY (Hz)
100M
100k
FREQUENCY (Hz)
100M
740MHz, Low-Noise, Low-Distortion Amps SOT23-5
Typical Operating Characteristics (continued)
(VCC +5V, -5V, 330, 100, +25°C, unless otherwise noted.)
MAX4304 LARGE-SIGNAL GAIN FREQUENCY (AVCL
MAX4104 TOC10
MAX4104/MAX4105/MAX4304/MAX4305
MAX4105 LARGE-SIGNAL GAIN FREQUENCY (AVCL
MAX4104
MAX4305 LARGE-SIGNAL GAIN FREQUENCY (AVCL +10)
NORMALIZED GAIN (dB) VOUT 2Vp-p
MAX4104 TOC12
NORMALIZED GAIN (dB)
VOUT 2Vp-p
NORMALIZED GAIN (dB) VOUT 2Vp-p
100k
FREQUENCY (Hz)
100M
100k
FREQUENCY (Hz)
100M
100k
FREQUENCY (Hz)
100M
POSITIVE POWER-SUPPLY REJECTION FREQUENCY
MAX4104 TOCM
NEGATIVE POWER-SUPPLY REJECTION FREQUENCY
MAX4104 TOCN
COMMON-MODE REJECTION FREQUENCY
(dB) -100
MAX4104 TOCO
POWER-SUPPLY REJECTION (dB) -100 100k FREQUENCY (Hz) 100M
POWER-SUPPLY REJECTION (dB)
100k
FREQUENCY (Hz)
100M
100k
100M
FREQUENCY (Hz)
VOLTAGE NOISE DENSITY FREQUENCY (INPUT REFERRED)
MAX4104 TOC-P
CURRENT NOISE DENSITY FREQUENCY (INPUT REFERRED)
MAX4104 TOC-Q
CLOSED-LOOP OUTPUT IMPEDANCE FREQUENCY
MAX4104 TOC-R
VOLTAGE NOISE DENSITY (nV/Hz)
CURRENT NOISE DENSITY (pA/Hz)
1000
OUTPUT IMPEDANCE
100k FREQUENCY (Hz)
100k FREQUENCY (Hz)
0.01 100k FREQUENCY (Hz) 100M
740MHz, Low-Noise, Low-Distortion Amps SOT23-5 MAX4104/MAX4105/MAX4304/MAX4305
Typical Operating Characteristics (continued)
(VCC +5V, -5V, 330, 100, +25°C, unless otherwise noted.)
MAX4104/MAX4304 DIFFERENTIAL GAIN PHASE
MAX4104 TOC-S
MAX4105/MAX4305 DIFFERENTIAL GAIN PHASE
MAX4104
MAX4104/MAX4304 HARMONIC DISTORTION FREQUENCY
HARMONIC DISTORTION (dBc) -100 HARMONIC 100k 100M HARMONIC VOUT 2Vp-p
MAX4104 TOC-U
DIFF GAIN
0.000 -0.005 -0.010 -0.015 0.015 0.010 0.005 0.000 -0.005
DIFF GAIN
0.005
0.03 0.02 0.01 0.00 -0.01 0.025 0.020 0.015 0.010 0.005 0.000 -0.005
DIFF PHASE (deg)
DIFF PHASE (deg)
FREQUENCY (Hz)
MAX4105/MAX4305 HARMONIC DISTORTION FREQUENCY
MAX4104 TOC-V
MAX4104/MAX4304 HARMONIC DISTORTION LOAD
MAX4104 TOC-W
MAX4105/MAX4305 HARMONIC DISTORTION LOAD
HARMONIC DISTORTION (dBc) -100 HARMONIC HARMONIC 5MHz VOUT 2Vp-p
MAX4104 TOC-X
DISTORTION (dBc) -100 100k HARMONIC HARMONIC VOUT 2Vp-p
HARMONIC DISTORTION (dBc) -100 HARMONIC HARMONIC 5MHz VOUT 2Vp-p
100M
LOAD
LOAD
FREQUENCY (Hz)
MAX4104/MAX4304 HARMONIC DISTORTION OUTPUT SWING
MAX4104 TOC-Y
MAX4105/MAX4305 HARMONIC DISTORTION OUTPUT SWING
HARMONIC DISTORTION (dBc) -100 HARMONIC HARMONIC 5MHz
MAX4104 TOC-Z
OUTPUT SWING LOAD RESISTANCE
MAX4104 TOCAA
HARMONIC DISTORTION (dBc) -100 HARMONIC HARMONIC 5MHz
OUTPUT SWING (Vp-p)
LOAD RESISTANCE
OUTPUT SWING (Vp-p)
OUTPUT SWING (Vp-p)
740MHz, Low-Noise, Low-Distortion Amps SOT23-5
Typical Operating Characteristics (continued)
(VCC +5V, -5V, 330, 100, +25°C, unless otherwise noted.)
MAX4104/MAX4105/MAX4304/MAX4305
INPUT OFFSET VOLTAGE TEMPERATURE
-0.5 -1.0 -1.5 -2.0 -2.5 -3.0 TEMPERATURE (°C)
MAX4104 TOCBB
INPUT OFFSET CURRENT TEMPERATURE
MAX4104 TOC-CC
INPUT BIAS CURRENT TEMPERATURE
MAX4104 TOC-DD
INPUT OFFSET CURRENT (µA)
INPUT OFFSET VOLTAGE (mV)
INPUT BIAS CURRENT (µA)
TEMPERATURE (°C) TEMPERATURE (°C)
SUPPLY CURRENT TEMPERATURE
MAX4104 TOC-EE
SUPPLY CURRENT SUPPLY VOLTAGE
MAX4104 TOC-FF
POSITIVE OUTPUT VOLTAGE SWING TEMPERATURE
VOLTAGE SWING 100k 100k
MAX4104 TOC-GG
SUPPLY CURRENT (mA)
SUPPLY CURRENT (mA)
10.0
10.5
11.0
TEMPERATURE (°C)
SUPPLY VOLTAGE
TEMPERATURE (°C)
MAX4104 SMALL-SIGNAL PULSE RESPONSE
MAX4104 TOCHH
MAX4304 SMALL-SIGNAL PULSE RESPONSE
MAX4104 TOCII
MAX4105 SMALL-SIGNAL PULSE RESPONSE
MAX4104 TOCJJ
+50mV -50mV
+25mV -25mV +50mV
+10mV -10mV
+50mV
+50mV -50mV -50mV 10ns/div 10ns/div -50mV 10ns/div
740MHz, Low-Noise, Low-Distortion Amps SOT23-5 MAX4104/MAX4105/MAX4304/MAX4305
Typical Operating Characteristics (continued)
(VCC +5V, -5V, 330, 100, +25°C, unless otherwise noted.)
MAX4305 SMALL-SIGNAL PULSE RESPONSE +10)
MAX4104 TOCKK
MAX4104 LARGE-SIGNAL PULSE RESPONSE
MAX4104 TOCLL
+5mV -5mV
+50mV -50mV 10ns/div 10ns/div
MAX4305 LARGE-SIGNAL PULSE RESPONSE
MAX4104 TOCMM
MAX4105 LARGE-SIGNAL PULSE RESPONSE
MAX4104 TOCNN
+500mV -500mV
+200mV -200mV
10ns/div
10ns/div
MAX4305 LARGE-SIGNAL PULSE RESPONSE +10)
MAX4104 TOCOO
+100mV -100mV
10ns/div
740MHz, Low-Noise, Low-Distortion Amps SOT23-5
_Pin Description
NAME SOT23-5 N.C. ININ+ internally connected. Amplifier Inverting Input Amplifier Noninverting Input Negative Power Supply Amplifier Output Positive Power Supply FUNCTION
Regardless whether constant-impedance board used, best observe following guidelines when designing board: wire-wrapped boards (they much inductive) breadboards (they much capacitive). sockets. sockets increase reactances. Keep signal lines short straight possible. make turns; round corners. Observe high-frequency bypassing techniques maintain amplifier's accuracy stability. Bear mind that, general, surface-mount components have shorter bodies lower parasitic reactance, resulting greatly improved high-frequency performance over through-hole components. bypass capacitors should include 0.1µF ceramic surface-mount capacitors between each supply ground plane, located close package possible. Optionally, place 10µF tantalum capacitor power supply pins' point entry board ensure integrity incoming supplies. power-supply trace should lead directly from tantalum capacitor pins. minimize parasitic inductance, keep traces short surface-mount components. Input termination resistors output back-termination resistors, used, should surface-mount types, should placed close pins possible.
MAX4104/MAX4105/MAX4304/MAX4305
_Detailed Description
MAX4104/MAX4105/MAX4304/MAX4305 ultrahigh-speed, low-noise amplifiers featuring -3dB bandwidths 880MHz, 0.1dB gain flatness 100MHz, differential gain phase errors 0.01% 0.01°, respectively. These devices operate dual power supplies ranging from ±3.5V ±5.5V require only 20mA supply current. MAX4104/MAX4304/MAX4105/MAX4305 optimized minimum closed-loop gains +1V/V, +2V/V, +5V/V +10V/V (respectively) with corresponding -3dB bandwidths 880MHz, 730MHz, 430MHz, 350MHz. Each device this family features input voltage noise density only 2.1nV/Hz 1MHz), output current drive ±70mA, spurious-free dynamic range -88dBc (5MHz, 100).
Noise Errors
MAX4104/MAX4105/MAX4304/MAX4305 output offset voltage, VOUT (Figure calculated with following equation: VOUT [VOS (IB+ (IB- RG))] where: input offset voltage volts) RF/RG amplifier closed-loop gain (dimensionless) noninverting input bias current amps) inverting input bias current amps) gain-setting resistor ohms) feedback resistor ohms) source resistor noninverting input ohms) following equation represents output noise density:
en(OUT)
_Applications Information
Layout Power-Supply Bypassing
MAX4104/MAX4105/MAX4304/MAX4305 have extremely high bandwidth, consequently require careful board layout, including possible constant-impedance microstrip stripline techniques. realize full performance these high-speed amplifiers, careful attention power-supply bypassing board layout. board should have least layers: signal power layer side, large, low-impedance ground plane other side. ground plane should free voids possible. With multilayer boards, locate ground plane layer that incorporates signal power traces.
740MHz, Low-Noise, Low-Distortion Amps SOT23-5 MAX4104/MAX4105/MAX4304/MAX4305
IBOUT VOUT CABLE
INOUT CABLE
MAX4104 MAX4105 MAX4304 MAX4305
MAX4104 MAX4105 MAX4304 MAX4305
Figure Output Offset Voltage
Figure Video Line Driver
where: input current noise density pA/Hz) input voltage noise density nV/Hz) MAX4104/MAX4105/MAX4304/MAX4305 have very low, 2.1nV/Hz input voltage noise density 3.1pA/Hz input current noise density. example DC-error calculations, using MAX4304 typical data typical operating circuit with 165) gives:
VOUT 10-6 10-6 10-3
very rapidly during conversion cycle-a condition that demands amplifier with very output impedance high frequencies maintain measurement accuracy. combination high-speed, fast slew rate, noise, low-distortion available MAX4104/MAX4105/MAX4304/MAX4305 makes them ideally suited buffer amplifiers high-speed applications.
Video Line Driver
MAX4104/MAX4105/MAX4304/MAX4305 optimized drive coaxial transmission lines when cable terminated both ends, shown Figure minimize reflections maximize power transfer, select termination resistors match characteristic impedance transmission line. Cable frequency response cause variations flatness signal.
VOUT 15.8mV
Calculating total output noise similar manner yields following:
en(OUT)
Driving Capacitive Loads
10-12
en(OUT) 4.3nV
With 200MHz system bandwidth, this calculates 60.8µVRMS (approximately 365µVp-p, using sixsigma calculation).
Input Buffers
Input buffer amplifiers source significant error high-speed applications. input buffer usually required rapidly charge discharge ADC's input, which often capacitive. addition, input impedance high-speed often changes
MAX4104/MAX4105/MAX4304/MAX4305 provide maximum performance when driving output load capacitance. This case when driving correctly terminated transmission line (i.e., back-terminated cable). most amplifier circuits, driving large load capacitance increases chance oscillations occurring. amplifier's output impedance load capacitor combine pole excess phase loop response. pole's frequency enough phase margin degraded sufficiently, oscillations result. second concern when driving capacitive loads originates from amplifier's output impedance, which
740MHz, Low-Noise, Low-Distortion Amps SOT23-5 MAX4104/MAX4105/MAX4304/MAX4305
GAIN (dB) 100k 100M FREQUENCY (Hz) 10pF 15pF NORMALIZED GAIN (dB) 100k 100M FREQUENCY (Hz) 10pF 15pF
Figure MAX4104 Frequency Response with Capacitive Load Isolation Resistor
Figure MAX4304 Frequency Response with Capacitive Load Isolation Resistor
NORMALIZED GAIN (dB) 100k 100M FREQUENCY (Hz) 10pF 15pF NORMALIZED GAIN (dB)
100k 100M FREQUENCY (Hz) 15pF 10pF
Figure MAX4105 Frequency Response with Capacitive Load Isolation Resistor
Figure MAX4305 Frequency Response with Capacitive Load Isolation Resistor
appears inductive high frequencies. This inductance forms resonant circuit with capacitive load, which causes peaking frequency response degrades amplifier's phase margin. MAX4104/MAX4105/MAX4304/MAX4305 drive capacitive loads 10pF without oscillation. However, some peaking occur frequency domain (Figure drive larger capacitance loads reduce ringing, isolation resistor between amplifier's output load (Figure value RISO depends circuit's gain capacitive load (Figure Figure shows MAX4104/MAX4105/MAX4304/MAX4305 frequency response with isolation resistor capacitive
load. With higher capacitive values, bandwidth dominated network formed RISO bandwidth amplifier itself much higher. Also note that isolation resistor forms divider that decreases voltage delivered load.
Maxim's High-Speed Evaluation Boards
MAX4104 evaluation manual shows suggested layout Maxim's high-speed, single-amplifier evaluation boards. This board developed using techniques described previously Layout Power-Supply Bypassing section). smallest available surface-mount resistors were used feedback back-termination resistors minimize
740MHz, Low-Noise, Low-Distortion Amps SOT23-5 MAX4104/MAX4105/MAX4304/MAX4305
47pF 68pF
MAX4104 MAX4105 MAX4304 MAX4305
RISO
GAIN (dB) 83pF
MAX4104/MAX4304 RISO 100k 100M
FREQUENCY (Hz)
Figure Using Isolation Resistor (RISO) High Capacitive Loads
OPTIMAL ISLOATION RESISTOR CAPACITIVE LOAD (pF) MAX4104/MAX4304 MAX4105/MAX4305
Figure Frequency Responses Capacitive Load with Isolation Resistor
distance from these resistors, thus reducing capacitance associated with longer lead lengths. connectors were used best high-frequency performance. Because distances extremely short, performance unaffected fact that inputs outputs match line. However, applications that require lead lengths greater than wavelength highest frequency interest, constant-impedance traces should used. Fully assembled evaluation boards available MAX4104 8-pin package.
Ordering Information (continued)
PART MAX4105ESA MAX4105EUK-T MAX4304ESA MAX4304EUK-T MAX4305ESA* MAX4305EUK-T TEMP. RANGE -40°C +85°C -40°C +85°C -40°C +85°C -40°C +85°C -40°C +85°C -40°C +85°C PINPACKAGE SOT23-5 SOT23-5 SOT23-5 MARK ACCP ACCQ ACCR
Figure Optimal Isolation Resistor (RISO) Capacitive Load
Configurations (continued)
VIEW
N.C.
MAX4104 MAX4105
N.C. N.C.
*Future product-contact factory availability.
Chip Information
TRANSISTOR COUNT: SUBSTRATE CONNECTED
MAX4304 MAX4305

ANUAL LUATIO SHEET FOLLO 740MHz, Low-Noise, Low-Distortion Amps S

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