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Zero Drift, Unidirectional Current Shunt Monitor AD8219
FEATURES
High common-mode voltage range 4 V to 80 V operating −0.3 V to +85 V survival Buffered output voltage Gain = 60 V/V Wide operating temperature range: −40°C to +125°C Excellent ac and dc performance ±100 nV/°C typical offset drift ±50 µV/°C typical offset ±5 ppm/°C typical gain drift 110 dB typical CMRR at dc
FUNCTIONAL BLOCK DIAGRAM
VS R4 LDO –IN +IN R2 R3
09415-001
R1 OUT
AD8219
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 AD8219 is a high voltage, high resolution, current shunt amplifier. It features a set gain of 60 V/V, with a maximum ±0.
AD8219 Datasheet
