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The AD629ARZ is a high common-mode voltage differential amplifier launched by (ADI), featuring the following core characteristics:

The AD629ARZ is an improved alternative to the INA117P and INA117KU

Common-mode voltage range: ±270 V

Input protection

± 500V common mode

± 500V differential mode

Wide power supply range (± 2.5V to ± 8V)

± 10V output swing (± 12V power supply)

Maximum power supply current of 1 mA

High-precision DC performance

Gain nonlinearity: 3 ppm (maximum value, AD629B)

Offset drift: 20 µV/°C (maximum, AD629A)

Offset drift: 10 µV/°C (maximum, AD629B)

Gain drift: 10 ppm/°C(maximum value)

Outstanding communication characteristics

CMRR: 77 dB(minimum, 500 Hz, AD629A)

CMRR: 86 dB(minimum, 500 Hz, AD629B)

Bandwidth: 500 kHz

Introduction

The AD629ARZ is a precision differential amplifier with an extremely high input common-mode voltage range, capable of accurately measuring differential signals at a maximum common-mode voltage of ± 270V.

In applications where current isolation is not required, the AD629ARZ can replace expensive isolation amplifiers. The AD629ARZ operates within a common-mode voltage range of ± 270V and provides up to ± 500V common-mode or differential mode transient protection for the input.

The AD629ARZ features the following characteristics: low offset, low offset drift, low gain error drift, low common-mode rejection drift, and an excellent common-mode rejection ratio (CMRR) over a wide frequency range.

The AD629ARZ offers a low-cost 8-pin SOIC package with an operating temperature range of -40 °C to +85°C.

Basic information

Product: AD629ARZ

Amplifier type: Current detection

Number of circuits: 1

Output type: -

Slew rate: 2.1V/µs

-3 dB bandwidth: 500 kHz

Voltage - Input compensation: 200 µV

Current - Power supply: 900µA

Current - Output/Channel: 25 mA

Voltage - span (minimum value) : 5 V

Voltage - span (maximum value) : 36 V

Operating temperature: -40°C to 85°C

Installation type: Surface mount type

Packaging/Housing: 8-SOIC

This device is suitable for industrial scenarios that require high common-mode voltage processing and have high precision requirements. Its low power consumption (maximum supply current of 1mA) and fast response (slew rate of 2.1V/μs) further optimize dynamic performance.

Typical applications

High-voltage current detection

Battery cell voltage monitor

Power current monitor

Motor control

Isolation

Get the exclusive quote for the AD629ARZ differential amplifier immediately

Sales Hotline: +86 13410018555 (Mr. Chen)

Email: sales@hkmjd.com

Official website: www.hkmjd.com