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The AD623 is an integrated single-supply or dual-supply instrumentation amplifier that provides rail-to-rail output swing from a 3 V to 12 V supply voltage. It is programmable through a single gain-setting resistor and follows an 8-pin industry-standard pinout configuration, giving the user exceptional flexibility. When no external resistor is connected, the AD623 is configured in unity gain (G = 1); when connected, the AD623 can be programmed to achieve a gain of up to 1000.

Improving the ac common-mode rejection ratio (CMRR) and increasing the gain allows the AD623 to have excellent accuracy; line noise harmonics are suppressed because the CMRR is stable up to 200 Hz. The AD623 has a wide input common-mode range and can amplify signals with common-mode voltages as low as 150 mV below ground. The AD623 operates from bipolar and unipolar power supplies and maintains excellent performance.

application

Low Power Medical Instruments

sensor interface

Thermocouple Amplifier

Industrial Process Control

difference amplifier

Low power data acquisition

Product Details

easy to use

Rail-to-Rail Output Swing

Input voltage range up to 150 mV below ground (single supply)

Low Power, 550 μA Supply Current (Max)

Gain is set by an external resistor

Gain range: 1 to 1000

High precision DC performance

Gain accuracy: 0.10%_(G = 1)

Gain accuracy: 0.35%_(G > 1)

Noise: RTI Noise: 35 nV/√Hz (at 1 kHz)

Excellent dynamic specs

Bandwidth: 800 kHz (G = 1)

0.01% Settling Time: 20 μs (G = 10)