AD620AN Low Power Instrumentation Amplifier DIP-8
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Prices updated: 12 Oct 2026
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About this product
The AD620AN is a low-power, low-cost instrumentation amplifier whose gain is set from 1 to 1000 by a single external resistor. It is widely used in weigh scales, ECG and medical instrumentation, transducer interfaces and data acquisition systems.
Specifications
- Gain range
- 1 to 1000 (set by one external resistor)
- Supply voltage
- ±2.3 V to ±18 V
- Supply current
- 1.3 mA max
- Settling time
- 15 µs to 0.01%
- Package
- 8-pin PDIP (DIP-8)
Frequently asked questions
How do I set the gain of the AD620AN?
The gain is G = 1 + 49.4 kΩ / RG, where RG is the external resistor between pins 1 and 8. For example, RG = 49.4 kΩ gives a gain of 2.
Can it run from a single supply?
The datasheet supply range is ±2.3 V to ±18 V (dual supply). Single-supply operation is possible with the reference pin biased, but check the datasheet for the exact input and output range.
