AD706 AD | Alldatasheet
Document overview
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Technical content
plastic mini-DIP, hermetic cerdip and surface mount (SOIC). “J” grade chips are also available.
- The AD706 is a dual low drift op amp that offers BiFET
- The AD706 provides both low drift and high dc precision.
- The AD706 can be used in applications where a chopper
otherwise under any patent or patent rights of Analog Devices.
0.01 TYPICAL IB – nA
Figure 1. Input Bias Current vs. Temperature
AD706–SPECIFICATIONS AD706J/A AD706K/B Parameter Conditions Min Typ Max Min Typ Max Units INPUT OFFSET VOLTAGE Initial Offset 30 100 10 50 µV Offset T MIN to TMAX 40 150 25 100 µV vs. Supply (PSRR) V S = ± 2 V to ± 18 V 110 132 112 132 dB TMIN to TMAX VS = ± 2.5 V to ± 18 V 106 126 108 126 dB Long Term Stability 0.3 0.3 µV/Month INPUT BIAS CURRENT 1 VCM = 0 V 50 200 30 110 pA VCM = ± 13.5 V 250 160 pA vs. Temp, Average TC 0.3 0.2 pA/ °C TMIN to TMAX VCM = 0 V 300 200 pA TMIN to TMAX VCM = ± 13.5 V 400 300 pA INPUT OFFSET CURRENT V CM = 0 V 30 150 30 100 pA VCM = ± 13.5 V 250 200 pA vs. Temp, Average TC 0.6 0.4 pA/ °C TMIN to TMAX VCM = 0 V 80 250 80 200 pA TMIN to TMAX VCM = ± 13.5 V 80 350 80 300 pA MATCHING CHARACTERISTICS Offset Voltage 150 75 µV TMIN to TMAX 250 150 µV Input Bias Current 2 300 150 pA TMIN to TMAX 500 250 pA Common-Mode Rejection 106 110 dB TMIN to TMAX 106 108 dB Power Supply Rejection 106 110 dB TMIN to TMAX 104 106 dB Crosstalk @ f = 10 Hz (Figure 19a) R L = 2 kΩ 150 150 dB FREQUENCY RESPONSE Unity Gain Crossover Frequency 0.8 0.8 MHz Slew Rate G = –1 0.15 0.15 V/ µs TMIN to TMAX 0.15 0.15 V/ µs INPUT IMPEDANCE Differential 40i2 4 0 i2M Ω ipF Common Mode 300 i2 300 i2G Ω ipF INPUT VOLTAGE RANGE Common-Mode Voltage ± 13.5 ± 14 ± 13.5 ± 14 V Common-Mode Rejection Ratio V CM = ± 13.5 V 110 132 114 132 dB TMIN to TMAX 108 128 108 128 dB INPUT CURRENT NOISE 0.1 Hz to 10 Hz 3 3 pA p-p f = 10 Hz 50 50 fA/ √Hz INPUT VOLTAGE NOISE 0.1 Hz to 10 Hz 0.5 0.5 1.0 µV p-p f = 10 Hz 17 17 nV/ √Hz f = 1 kHz 15 22 15 22 nV/ √Hz OPEN-LOOP GAIN V O = ± 12 V RLOAD = 10 kΩ 200 2000 400 2000 V/mV TMIN to TMAX 150 1500 300 1500 V/mV VO = ± 10 V RLOAD = 2 kΩ 200 1000 300 1000 V/mV TMIN to TMAX 150 1000 200 1000 V/mV OUTPUT CHARACTERISTICS Voltage Swing R LOAD = 10 kΩ± 13 ± 14 ± 13 ± 14 V TMIN to TMAX ± 13 ± 14 ± 13 ± 14 V Current Short Circuit ± 15 ± 15 mA Capacitive Load Drive Capability Gain = +1 10,000 10,000 pF (@ TA = +258C, VCM = 0 V and 615 V dc, unless otherwise noted) REV. C–2–
Parameter Conditions Min Typ Max Min Typ Max Units POWER SUPPLY Rated Performance ± 15 ± 15 V Operating Range ± 2.0 ± 18 ± 2.0 ± 18 V Quiescent Current, Total 0.75 1.2 0.75 1.2 mA TMIN to TMAX 0.8 1.4 0.8 1.4 mA TRANSISTOR COUNT # of Transistors 90 90 NOTES lBias current specifications are guaranteed maximum at either input. 2Input bias current match is the difference between corresponding inputs (I B of –IN of Amplifier #1 minus I B of –IN of Amplifier #2). CMRR match is the difference between ΔVOS #1 ΔVCM for amplifier #1 and ΔVOS #2 ΔVCM for amplifier #2 expressed in dB. PSRR match is the difference between ΔVOS #1 ΔVSUPPLY for amplifier #l and ΔVOS #2 ΔVSUPPLY for amplifier #2 expressed in dB. All min and max specifications are guaranteed. Specifications subject to change without notice. AD706 ABSOLUTE MAXIMUM RATINGS l Internal Power Dissipation Operating Temperature Range NOTES 1Stresses above those listed under Absolute Maximum Ratings may cause perma- nent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. 2Specification is for device in free air: 8-Lead Plastic Package: θJA = 100°C/Watt 8-Lead Cerdip Package: θJA = 110°C/Watt 8-Lead Small Outline Package: θJA = 155°C/Watt 3The input pins of this amplifier are protected by back-to-back diodes. If the differential voltage exceeds ± 0.7 volts, external series protection resistors should be added to limit the input current to less than 25 mA. ORDERING GUIDE Temperature Package Model Range Description Option* AD706AN –40 °C to +85°C Plastic DIP N-8 AD706JN 0 °C to +70°C Plastic DIP N-8 AD706KN 0 °C to +70°C Plastic DIP N-8 AD706JR 0 °C to +70°C SOIC R-8 AD706JR-REEL 0 °C to +70°C Tape and Reel AD706AQ –40 °C to +85°C Cerdip Q-8 AD706BQ –40 °C to +85°C Cerdip Q-8 AD706AR –40 °C to +85°C SOIC R-8 AD706AR-REEL –40 °C to +85°C Tape and Reel *N = Plastic DIP; Q = Cerdip, R = Small Outline Package. CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the AD706 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality. METALIZATION PHOTOGRAPH Dimensions shown in inches and (mm). Contact factory for latest dimensions. REV. C –3– 4 5 OUTPUT A –INPUT A +INPUT A –VS 0.074 (1.88) OUTPUT B –INPUT B +INPUT B 0.118 (3.00) +V S WARNING! ESD SENSITIVE DEVICE