Datasheet AD622 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | Low Cost Instrumentation Amplifier |
| Pages / Page | 16 / 3 — Data Sheet. AD622. SPECIFICATIONS. Table 2. Parameter. Conditions. Min. … |
| Revision | E |
| File Format / Size | PDF / 282 Kb |
| Document Language | English |
Data Sheet. AD622. SPECIFICATIONS. Table 2. Parameter. Conditions. Min. Typ. Max. Unit
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Data Sheet AD622 SPECIFICATIONS
TA = 25°C, VS = ±15 V, and RL = 2 kΩ typical, unless otherwise noted.
Table 2. Parameter Conditions Min Typ Max Unit
GAIN G = 1 + (50.5 k/RG) Gain Range 1 1000 Gain Error1 VOUT = ±10 V G = 1 0.05 0.15 % G = 10 0.2 0.50 % G = 100 0.2 0.50 % G = 1000 0.2 0.50 % Nonlinearity VOUT = ±10 V G = 1 to 1000 RL = 10 kΩ 10 ppm G = 1 to 100 RL = 2 kΩ 10 ppm Gain vs. Temperature Gain = 1 10 ppm/°C Gain > 11 −50 ppm/°C VOLTAGE OFFSET Total RTI Error = VOSI + VOSO/G Input Offset, VOSI VS = ±5 V to ±15 V 60 125 µV Average Temperature Coefficient VS = ±5 V to ±15 V 1.0 µV/°C Output Offset, VOSO VS = ±5 V to ±15 V 600 1500 µV Average Temperature Coefficient VS = ±5 V to ±15 V 15 µV/°C Offset Referred to Input vs. Supply (PSR) VS = ±5 V to ±15 V G = 1 80 100 dB G = 10 95 120 dB G = 100 110 140 dB G = 1000 110 140 dB INPUT CURRENT Input Bias Current 2.0 5.0 nA Average Temperature Coefficient 3.0 pA/°C Input Offset Current 0.7 2.5 nA Average Temperature Coefficient 2.0 pA/°C INPUT Input Impedance Differential 10||2 G Ω||pF Common Mode 10||2 GΩ||pF Input Voltage Range2 VS = ±2.6 V to ±5 V −VS + 1.9 +VS – 1.2 V Over Temperature −VS + 2.1 +VS – 1.3 V VS = ±5 V to ±18 V −VS + 1.9 +VS – 1.4 V Over Temperature −VS + 2.1 +VS – 1.4 V Common-Mode Rejection Ratio VCM = 0 V to ±10 V DC to 60 Hz with 1 kΩ Source Imbalance G = 1 66 78 dB G = 10 86 98 dB G = 100 103 118 dB G = 1000 103 118 dB OUTPUT Output Swing RL = 10 kΩ VS = ±2.6 V to ±5 V −VS + 1.1 +VS – 1.2 V Over Temperature −VS + 1.4 +VS – 1.3 V VS = ±5 V to ±18 V −VS + 1.2 +VS – 1.4 V Over Temperature −VS + 1.6 +VS – 1.5 V Short Current Circuit ±18 mA Rev. E | Page 3 of 16 Document Outline Features Applications Pin Configuration General Description Revision History Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Typical Performance Characteristics Theory of Operation Make vs. Buy: A Typical Application Error Budget Gain Selection Input and Output Offset Voltage Reference Terminal Input Protection RF Interference Ground Returns for Input Bias Currents Outline Dimensions Ordering Guide
Data Sheet AD622 SPECIFICATIONS
TA = 25°C, VS = ±15 V, and RL = 2 kΩ typical, unless otherwise noted.
Table 2. Parameter Conditions Min Typ Max Unit
GAIN G = 1 + (50.5 k/RG) Gain Range 1 1000 Gain Error1 VOUT = ±10 V G = 1 0.05 0.15 % G = 10 0.2 0.50 % G = 100 0.2 0.50 % G = 1000 0.2 0.50 % Nonlinearity VOUT = ±10 V G = 1 to 1000 RL = 10 kΩ 10 ppm G = 1 to 100 RL = 2 kΩ 10 ppm Gain vs. Temperature Gain = 1 10 ppm/°C Gain > 11 −50 ppm/°C VOLTAGE OFFSET Total RTI Error = VOSI + VOSO/G Input Offset, VOSI VS = ±5 V to ±15 V 60 125 µV Average Temperature Coefficient VS = ±5 V to ±15 V 1.0 µV/°C Output Offset, VOSO VS = ±5 V to ±15 V 600 1500 µV Average Temperature Coefficient VS = ±5 V to ±15 V 15 µV/°C Offset Referred to Input vs. Supply (PSR) VS = ±5 V to ±15 V G = 1 80 100 dB G = 10 95 120 dB G = 100 110 140 dB G = 1000 110 140 dB INPUT CURRENT Input Bias Current 2.0 5.0 nA Average Temperature Coefficient 3.0 pA/°C Input Offset Current 0.7 2.5 nA Average Temperature Coefficient 2.0 pA/°C INPUT Input Impedance Differential 10||2 G Ω||pF Common Mode 10||2 GΩ||pF Input Voltage Range2 VS = ±2.6 V to ±5 V −VS + 1.9 +VS – 1.2 V Over Temperature −VS + 2.1 +VS – 1.3 V VS = ±5 V to ±18 V −VS + 1.9 +VS – 1.4 V Over Temperature −VS + 2.1 +VS – 1.4 V Common-Mode Rejection Ratio VCM = 0 V to ±10 V DC to 60 Hz with 1 kΩ Source Imbalance G = 1 66 78 dB G = 10 86 98 dB G = 100 103 118 dB G = 1000 103 118 dB OUTPUT Output Swing RL = 10 kΩ VS = ±2.6 V to ±5 V −VS + 1.1 +VS – 1.2 V Over Temperature −VS + 1.4 +VS – 1.3 V VS = ±5 V to ±18 V −VS + 1.2 +VS – 1.4 V Over Temperature −VS + 1.6 +VS – 1.5 V Short Current Circuit ±18 mA Rev. E | Page 3 of 16 Document Outline Features Applications Pin Configuration General Description Revision History Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Typical Performance Characteristics Theory of Operation Make vs. Buy: A Typical Application Error Budget Gain Selection Input and Output Offset Voltage Reference Terminal Input Protection RF Interference Ground Returns for Input Bias Currents Outline Dimensions Ordering Guide
