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AD621 Low Power Instrumentation Amplifier Datasheet
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Features
- Easy To Use
- - Pin-Strappable Gains of 10 and 100
- - All Errors Specified for Total System Performance
- - Higher Performance than Discrete Instrumentation Amp Designs
- - Low Power, 1.3mA Max Supply Current
- - Wide Power Supply Range (±2.3V to ±18V)
- Excellent DC Performance ("B Grade")
- - 0.15% Max, Total Gain Error
- - ±5 ppm/°C, Total Gain Drift
- - 125 µV Max, Total Offset Voltage
- - 1.0 µV/°C Max, Offset Voltage Drift
- Low Noise
- - 9 nV/sqrHz, @ 1kHz, Input Voltage Noise
- - 0.28 µV p-p Noise (0.1Hz to 10 Hz)
- Excellent AC Specifications
- - 800 kHz Bandwidth (G=10), 200kHz (G=100)
- - 12 µs Settling Time to 0.01%
- Applications
- - Weight Scales
- - ECG and Medical Instrumentation
- - Transducer Interface
- - Data Acquisition Systems
- - Industrial Process Controls
- - Battery Powered and Portable Equipment
Pin Layout
Pin Description
| Pin Number | Description |
|---|---|
| 1 | G - Gain Setting |
| 2 | -IN - Inverting Input |
| 3 | +IN - Non-Inverting Input |
| 4 | -Vs - Negative Power Supply |
| 5 | REF - Reference |
| 6 | OUT - Output |
| 7 | +Vs - Positive Power Supply |
| 8 | G - Gain Setting |
Dimensional Drawing
Technical Data
