LMP8645 - Precision High Voltage Current Sense Amplifier

Product Overview

Texas Instruments

Datasheet Details

Part number	LMP8645
Manufacturer	Texas Instruments
File Size	1.62 MB
Description	Precision High Voltage Current Sense Amplifier
Datasheet	LMP8645 Datasheet
Additional preview pages of the LMP8645 datasheet.

Product details

Description

The LMP8645 and the LMP8645HV devices are precision current sense amplifiers that detect small differential voltages across a sense resistor in the presence of high-input common-mode voltages. 2 V to 42 V, while the LMP8645HV accepts input signals with a common-mode voltage range of 2 V to 76 V.

Features

Typical Values, TA = 25°C.
High Common-Mode Voltage Range.
LMP8645.
2 V to 42 V.
LMP8645HV.
2 V to 76 V.
Supply Voltage Range 2.7 V to 12 V.
Gain Configurable With a Single Resistor.
Maximum Variable Gain Accuracy (With External Resistor) 2%.
Transconductance 200 μA/V.
Low Offset Voltage 1 mV.
Input Bias 12 μA.
PSRR 90 dB.
CMRR 95 dB.
Temperature Range.
40.

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Published: Mar 29, 2025 |