AD704_V01 AD | Alldatasheet
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Technical content
Rev. E | Page 2 of 16 TABLE OF CONTENTS
REVISION HISTORY
1/10—Rev. D to Rev. E Changes to Features and General Description Section, 12/09—Rev. C to Rev. D 11/01—Rev. B to Rev. C
Rev. E | Page 3 of 16 SPECIFICATIONS TA = 25°C, VCM = 0 V , and VS =±15 V dc, unless otherwise noted. Table 2. AD704J/A Parameters Conditions Min Typ Max Unit INPUT OFFSET VOLTAGE Initial Offset 50 150 μV Offset TMIN − TMAX 100 250 μV vs. Temp, Average TC 0.2 1.5 μV/°C vs. Supply (PSRR) VS = ±2 V to ±18 V 100 132 dB TMIN − TMAX VS = ±2.5 V to ±18 V 100 126 dB Long-Term Stability 0.3 μV/month INPUT BIAS CURRENT1 VCM = 0 V 100 270 pA VCM = ±13.5 V 300 pA vs. Temp, Average TC 0.3 pA/°C TMIN − TMAX VCM = 0 V 300 pA VCM = ±13.5 V 400 pA INPUT OFFSET CURRENT VCM = 0 V 80 250 pA VCM = ±13.5 V 300 pA vs. Temp, Average TC 0.6 pA/°C TMIN − TMAX VCM = 0 V 100 300 pA VCM = ±13.5 V 100 400 pA MATCHING CHARACTERISTICS Offset Voltage 250 μV TMIN − TMAX 400 μV Input Bias Current2 500 pA TMIN − TMAX 600 pA Common-Mode Rejection3 94 dB TMIN − TMAX 94 dB Power Supply Rejection4 94 dB TMIN − TMAX 94 dB Crosstalk5 f = 10 Hz RLOAD = 2 kΩ 150 dB FREQUENCY RESPONSE UNITY GAIN Crossover Frequency 0.8 MHz Slew Rate, Unity Gain G = −1 0.15 V/μs Slew Rate TMIN − TMAX 0.1 V/μs INPUT IMPEDANCE Differential 40||2 MΩ||pF Common-Mode 300||2 GΩ||pF INPUT VOLTAGE RANGE Common-Mode Voltage ±13.5 ±14 V Common-Mode Rejection Ratio VCM = ±13.5 V 100 132 dB TMIN − TMAX 98 128 dB INPUT CURRENT NOISE 0.1 Hz to 10 Hz 3 pA p-p f = 10 Hz 50 fA/√Hz INPUT VOLTAGE NOISE 0.1 Hz to 10 Hz 0.5 μV p-p f = 10 Hz 17 nV/√Hz f = 1 kHz 15 22 nV/√Hz
Rev. E | Page 4 of 16 AD704J/A Parameters Conditions Min Typ Max Unit OPEN-LOOP GAIN VO = ±12 V RLOAD = 10 kΩ 200 2000 V/mV TMIN − TMAX 150 1500 V/mV VO = ±10 V RLOAD = 2 kΩ 200 1000 V/mV TMIN − TMAX 150 1000 V/mV OUTPUT CHARACTERISTICS Voltage Swing RLOAD = 10 kΩ V TMIN − TMAX ±13 ±14 Current Short circuit ±15 mA CAPACITIVE LOAD Drive Capability Gain = 1 10,000 pF POWER SUPPLY Rated Performance ±15 V Operating Range ±2.0 ±18 V Quiescent Current 1.5 2.4 mA TMIN − TMAX 1.6 2.6 mA TRANSISTOR COUNT Number of transistors 180 1 Bias current specifications are guaranteed maximum at either input. 2 Input bias current match is the maximum difference between corresponding inputs of all four amplifiers. 3 CMRR match is the difference of ΔVOS/ΔVCM between any two amplifiers, expressed in dB. 4 PSRR match is the difference between ΔVOS/ΔVSUPPLY for any two amplifiers, expressed in dB. 5 See Figure 5 for test circuit.
1 Specification is for the device in free air:
14-lead plastic package: θJA = 150°C/W. 16-lead SOIC package: θJA = 100°C/W. 20-terminal LCC package: θJA = 150°C/W. should be added to limit the input current to less than 25 mA.
- ALL FOUR AMPLIFIERS ARE CONNECTED AS SHOWN.
THEN MEASURED FOR CROSSTALK. Figure 5. Crosstalk Test Circuit Figure 6. Crosstalk vs. Frequency
the normal balancing resistor (with its stability capacitor). capacitor values for several common low pass responses. Figure 36. VOS vs. Temperature Performance of the 1 Hz Filter Circuit Table 5. 1 Hz, Four-Pole Low-Pass Filter Recommended Component Values1
REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN. Figure 39. 20-Terminal Ceramic Leadless Chip Carrier [LCC]
Rev. E | Page 15 of 16 NOTES
Rev. E | Page 16 of 16 NOTES ©2001-2010 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D00818-0-1/10(E)