The AD629AR from Analog Devices Inc. is a high-precision difference amplifier that is engineered to deliver superior performance in applications requiring a wide common-mode voltage range. This innovative component is an ideal choice for designers who need to accurately measure and monitor small differential voltages in the presence of high common-mode voltages.

The AD629AR is capable of handling common-mode voltages up to ±270V while maintaining a high level of accuracy. Its differential input voltage range is ±10 V, which allows for flexibility in various measurement scenarios. With a gain of 1 (unity gain), the device ensures that the output voltage accurately represents the differential input voltage without any amplification or attenuation, making it a reliable choice for critical applications.

A key feature of the AD629AR is its high common-mode rejection ratio (CMRR) of 86 dB (min) at 60 Hz, which minimizes the effect of common-mode noise and enhances measurement precision. This makes it particularly useful in industrial environments where electrical noise is a common challenge. Its bandwidth of 200 kHz ensures that the device can handle signals with a broad range of frequencies, providing versatility across different applications.

Its robust design includes a high input impedance, which minimizes the loading effect on the signal source and preserves signal integrity. The AD629AR operates within a supply voltage range of ±2.3 V to ±18 V, offering compatibility with a variety of power supplies and making it suitable for both portable and stationary applications.

Packaged in a compact SOIC-8 form factor, the AD629AR is designed for space-constrained applications while still offering ease of integration into a wide range of electronic systems. Whether used in medical instrumentation, battery monitoring, industrial process controls, or motor controls, the AD629AR from Analog Devices Inc. stands out as a reliable and precise solution for differential signal processing.

Key Specifications:

• Common-Mode Voltage Range: ±270 V
• Differential Input Voltage Range: ±10 V
• CMRR: 86 dB (min) at 60 Hz
• Bandwidth: 200 kHz
• Supply Voltage: ±2.3 V to ±18 V
• Package: SOIC-8