AD8217 - Analog Devices

AD8217 Zero-Drift Current Shunt Monitor

The AD8217 is a high voltage, high-resolution current shunt amplifier. It features a set gain of 20 V/V, with a maximum ±0.35% gain error over the entire temperature range. The buffered output voltage directly interfaces with any typical converter. The AD8217 offers excellent common-mode rejection from 4.5 V to 80 V, and includes an internal LDO, which direc.

Features

High common-mode voltage range 4.5 V to 80 V operating 0 V to 85 V survival Buffered output voltage Wide operating temperature range: −40°C to +125°C Excellent ac and dc performance ±100 nV/°C typical offset drift ±100 µV/°C typical offset ±5 ppm/°C typical gain drift 100 dB typical CMRR at dc FUNCTIONAL BLOCK DIAGRAM AD8217
  –IN +IN R2 LDO 09161-001 R4 R1 OUT R3 GND Figure 1. APPLICATIONS High side current sensing 48 V telecom Power management Base stations Unidirectional motor control Precision high voltage current sources GENERAL DESCRIPTION The AD8217 is a high voltage, high-resoluti.