Datasheet AD621 (Analog Devices) - 3
| Hersteller | Analog Devices |
| Beschreibung | Low Drift, Low Power Instrumentation Amplifier |
| Seiten / Seite | 16 / 3 — AD621. Gain = 100 (Typical @ 25. C, VS =. 15 V, and RL = 2 k. , unless … |
| Revision | B |
| Dateiformat / Größe | PDF / 535 Kb |
| Dokumentensprache | Englisch |
AD621. Gain = 100 (Typical @ 25. C, VS =. 15 V, and RL = 2 k. , unless otherwise noted.). AD621A. AD621B. AD621S1. Model. Conditions. Min
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AD621 Gain = 100 (Typical @ 25
ⴗ
C, VS =
ⴞ
15 V, and RL = 2 k
⍀
, unless otherwise noted.) AD621A AD621B AD621S1 Model Conditions Min Typ Max Min Typ Max Min Typ Max Unit
GAIN Gain Error VOUT = ± 10 V 0.15 0.05 0.15 % Nonlinearity, VOUT = –10 V to +10 V RL = 2 kΩ 2 10 2 10 2 10 ppm of FS Gain vs. Temperature –1 ±5 –1 ±5 –1 ±5 ppm/°C TOTAL VOLTAGE OFFSET Offset (RTI) VS = ± 15 V 35 125 25 50 35 125 µV Over Temperature VS = ± 5 V to ± 15 V 185 215 225 µV Average TC VS = ± 5 V to ± 15 V 0.3 1.0 0.1 0.6 0.3 1.0 µV/°C Offset Referred to the Input vs. Supply (PSR)2 VS = ± 2.3 V to ± 18 V 110 140 120 140 110 140 dB Total NOISE Voltage Noise (RTI) 1 kHz 9 13 9 13 9 13 nV/√Hz RTI 0.1 Hz to 10 Hz 0.28 0.28 0.4 0.28 0.4 µV p-p Current Noise f = 1 kHz 100 100 100 fA/√Hz 0.1 Hz–10 Hz 10 10 10 pA p-p INPUT CURRENT VS = ± 15 V Input Bias Current 0.5 2.0 0.5 1.0 0.5 2 nA Over Temperature 2.5 1.5 4 nA Average TC 3.0 3.0 8.0 pA/°C Input Offset Current 0.3 1.0 0.3 0.5 0.3 1.0 nA Over Temperature 1.5 0.75 2.0 nA Average TC 1.5 1.5 8.0 pA/°C INPUT Input Impedance Differential 10储2 10储2 10储2 GΩ储pF Common-Mode 10储2 10储2 10储2 GΩ储pF Input Voltage Range3 VS = ± 2.3 V to ± 5 V –VS + 1.9 +VS – 1.2 –VS + 1.9 +VS – 1.2 –VS + 1.9 +VS – 1.2 V Over Temperature –VS + 2.1 +VS – 1.3 –VS + 2.1 +VS – 1.3 –VS + 2.1 +VS – 1.3 V VS = ± 5 V to ± 18 V –VS + 1.9 +VS – 1.4 –VS + 1.9 +VS – 1.4 –VS + 1.9 +VS – 1.4 V Over Temperature –VS + 2.1 +VS – 1.4 –VS + 2.1 +VS – 1.4 –VS + 2.3 +VS – 1.4 V Common-Mode Rejection Ratio DC to 60 Hz with 1 kΩ Source Imbalance VCM = 0 V to ± 10 V 110 130 120 130 110 130 dB OUTPUT Output Swing RL = 10 kΩ, VS = ± 2.3 V to ± 5 V –VS + 1.1 +VS – 1.2 –VS + 1.1 +VS – 1.2 –VS + 1.1 +VS – 1.2 V Over Temperature –VS + 1.4 +VS – 1.3 –VS + 1.4 +VS – 1.3 –VS + 1.6 +VS – 1.3 V VS = ± 5 V to ± 18 V –VS + 1.2 +VS – 1.4 –VS + 1.2 +VS – 1.4 –VS + 1.2 +VS – 1.4 V Over Temperature –VS + 1.6 +VS – 1.5 –VS + 1.6 +VS – 1.5 –VS + 2.3 +VS – 1.5 V Short Current Circuit ±18 ±18 ±18 mA DYNAMIC RESPONSE Small Signal, –3 dB Bandwidth 200 200 200 kHz Slew Rate 0.75 1.2 0.75 1.2 0.75 1.2 V/µs Settling Time to 0.01% 10 V Step 12 12 12 µs REFERENCE INPUT RIN 20 20 20 kΩ IIN VIN +, VREF = 0 50 60 50 60 50 60 µA Voltage Range –VS + 1.6 +VS – 1.6 –VS + 1.6 +VS – 1.6 VS + 1.6 +VS – 1.6 V Gain to Output 1 ± 0.0001 1 ± 0.0001 1 ± 0.0001 POWER SUPPLY Operating Range ±2.3 ±18 ±2.3 ±18 ±2.3 ±18 V Quiescent Current VS = ± 2.3 V to ± 18 V 0.9 1.3 0.9 1.3 0.9 1.3 mA Over Temperature 1.1 1.6 1.1 1.6 1.1 1.6 mA TEMPERATURE RANGE For Specified Performance –40 to +85 –40 to +85 –55 to +125 °C NOTES 1See Analog Devices’ military data sheet for 883B tested specifications. 2This is defined as the supply range over which PSEE is defined. 3Input Voltage Range = CMV + (Gain × VDIFF). Specifications subject to change without notice. REV. B –3–
ⴗ
C, VS =
ⴞ
15 V, and RL = 2 k
⍀
, unless otherwise noted.) AD621A AD621B AD621S1 Model Conditions Min Typ Max Min Typ Max Min Typ Max Unit
GAIN Gain Error VOUT = ± 10 V 0.15 0.05 0.15 % Nonlinearity, VOUT = –10 V to +10 V RL = 2 kΩ 2 10 2 10 2 10 ppm of FS Gain vs. Temperature –1 ±5 –1 ±5 –1 ±5 ppm/°C TOTAL VOLTAGE OFFSET Offset (RTI) VS = ± 15 V 35 125 25 50 35 125 µV Over Temperature VS = ± 5 V to ± 15 V 185 215 225 µV Average TC VS = ± 5 V to ± 15 V 0.3 1.0 0.1 0.6 0.3 1.0 µV/°C Offset Referred to the Input vs. Supply (PSR)2 VS = ± 2.3 V to ± 18 V 110 140 120 140 110 140 dB Total NOISE Voltage Noise (RTI) 1 kHz 9 13 9 13 9 13 nV/√Hz RTI 0.1 Hz to 10 Hz 0.28 0.28 0.4 0.28 0.4 µV p-p Current Noise f = 1 kHz 100 100 100 fA/√Hz 0.1 Hz–10 Hz 10 10 10 pA p-p INPUT CURRENT VS = ± 15 V Input Bias Current 0.5 2.0 0.5 1.0 0.5 2 nA Over Temperature 2.5 1.5 4 nA Average TC 3.0 3.0 8.0 pA/°C Input Offset Current 0.3 1.0 0.3 0.5 0.3 1.0 nA Over Temperature 1.5 0.75 2.0 nA Average TC 1.5 1.5 8.0 pA/°C INPUT Input Impedance Differential 10储2 10储2 10储2 GΩ储pF Common-Mode 10储2 10储2 10储2 GΩ储pF Input Voltage Range3 VS = ± 2.3 V to ± 5 V –VS + 1.9 +VS – 1.2 –VS + 1.9 +VS – 1.2 –VS + 1.9 +VS – 1.2 V Over Temperature –VS + 2.1 +VS – 1.3 –VS + 2.1 +VS – 1.3 –VS + 2.1 +VS – 1.3 V VS = ± 5 V to ± 18 V –VS + 1.9 +VS – 1.4 –VS + 1.9 +VS – 1.4 –VS + 1.9 +VS – 1.4 V Over Temperature –VS + 2.1 +VS – 1.4 –VS + 2.1 +VS – 1.4 –VS + 2.3 +VS – 1.4 V Common-Mode Rejection Ratio DC to 60 Hz with 1 kΩ Source Imbalance VCM = 0 V to ± 10 V 110 130 120 130 110 130 dB OUTPUT Output Swing RL = 10 kΩ, VS = ± 2.3 V to ± 5 V –VS + 1.1 +VS – 1.2 –VS + 1.1 +VS – 1.2 –VS + 1.1 +VS – 1.2 V Over Temperature –VS + 1.4 +VS – 1.3 –VS + 1.4 +VS – 1.3 –VS + 1.6 +VS – 1.3 V VS = ± 5 V to ± 18 V –VS + 1.2 +VS – 1.4 –VS + 1.2 +VS – 1.4 –VS + 1.2 +VS – 1.4 V Over Temperature –VS + 1.6 +VS – 1.5 –VS + 1.6 +VS – 1.5 –VS + 2.3 +VS – 1.5 V Short Current Circuit ±18 ±18 ±18 mA DYNAMIC RESPONSE Small Signal, –3 dB Bandwidth 200 200 200 kHz Slew Rate 0.75 1.2 0.75 1.2 0.75 1.2 V/µs Settling Time to 0.01% 10 V Step 12 12 12 µs REFERENCE INPUT RIN 20 20 20 kΩ IIN VIN +, VREF = 0 50 60 50 60 50 60 µA Voltage Range –VS + 1.6 +VS – 1.6 –VS + 1.6 +VS – 1.6 VS + 1.6 +VS – 1.6 V Gain to Output 1 ± 0.0001 1 ± 0.0001 1 ± 0.0001 POWER SUPPLY Operating Range ±2.3 ±18 ±2.3 ±18 ±2.3 ±18 V Quiescent Current VS = ± 2.3 V to ± 18 V 0.9 1.3 0.9 1.3 0.9 1.3 mA Over Temperature 1.1 1.6 1.1 1.6 1.1 1.6 mA TEMPERATURE RANGE For Specified Performance –40 to +85 –40 to +85 –55 to +125 °C NOTES 1See Analog Devices’ military data sheet for 883B tested specifications. 2This is defined as the supply range over which PSEE is defined. 3Input Voltage Range = CMV + (Gain × VDIFF). Specifications subject to change without notice. REV. B –3–