The LMP8645 and the LMP8645HV are precision current sense amplifiers that detect small differential voltages across a sense resistor in the presence of high input common mode voltages with a supply voltage range from 2.7V to 12V.
Features
Typical values, TA = 25°C
High common-mode voltage range
— LMP8645 -2V to 42V
— LMP8645HV -2V to 76V
Supply voltage range 2.7V to 12V
Gain configurable with a single resistor
Max variable gain accuracy (with external resistor) 2.0%