PRODUCT DESCRIPTION
The AD627 is an integrated, micropower, instrumentation amplifier that delivers rail-to-rail output swing on single and dual (+2.2 V to ±18 V) supplies. The AD627 provides the user with excellent ac and dc specifications while operating at only 85 µA max.
FEATURES
Micropower, 85 μA Max Supply Current
Wide Power Supply Range (+2.2 V to 618 V)
Easy to Use
Gain Set with One External Resistor
Gain Range 5 (No Resistor) to 1,000
Higher Performance than Discrete Designs
Rail-to-Rail Output Swing
High Accuracy DC Performance
0.10% Gain Accuracy (G = 5) (AD627A)
10 ppm Gain Drift (G = 5)
125 μV Max Input Offset Voltage (AD627B)
200 μV Max Input Offset Voltage (AD627A)
1 μV/8C Max Input Offset Voltage Drift (AD627B)
3 μV/8C Max Input Offset Voltage Drift (AD627A)
10 nA Max Input Bias Current
Noise: 38 nV/√Hz RTI Noise @ 1 kHz (G = 100)
Excellent AC Specifications
77 dB Min CMRR (G = 5) (AD627A)
83 dB Min CMRR (G = 5) (AD627B)
80 kHz Bandwidth (G = 5)
135 μs Settling Time to 0.01% (G = 5, 5 V Step)
APPLICATIONS
4 mA-to-20 mA Loop Powered Applications
Low Power Medical Instrumentation—ECG, EEG
Transducer Interfacing
Thermocouple Amplifiers
Industrial Process Controls
Low Power Data Acquisition
Portable Battery Powered Instruments