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Description

The AD8293G80 / AD8293G160 are small, low cost, precision instrumentation amplifiers that have low noise and rail-to-rail outputs. They are available in two fixed-gain models: 80 and 160. They incorporate the gain setting resistors and filter resistors, reducing the number of ancillary components. For example, only two external capacitors are needed to implement a 2-pole filter. The AD8293G80/AD8293G160 also feature low offset voltage, offset drift, and gain drift coupled with high common mode rejection. They are capable of operating on a supply of 1.8 V to 5.5 V.

Features

1. Small package: 8-lead SOT-23
2. Reduced component count
3. Incorporates gain resistors and filter resistors
4. Low offset voltage: 20 μV maximum
5. Low offset drift: 0.3 μV/°C maximum
6. Low gain drift: 25 ppm/°C maximum
7. High CMR: 140 dB typical
8. Low noise: 0.7 μV p-p from 0.01 Hz to 10 Hz
9. Single-supply operation: 1.8 V to 5.5 V
10. Rail-to-rail output
11. Available in 2 fixed-gain models

Applications 

1. Current sensing
2. Strain gauges
3. Laser diode control loops
4. Portable medical instruments
5. Thermocouple amplifiers