LMP8645 - Precision High Voltage Current Sense Amplifier

Texas Instruments

LMP8645 Datasheet Preview — Preview of LMP8645 PDF

Datasheet Details

Part number	LMP8645
Manufacturer	Texas Instruments ↗
File Size	1.62 MB
Description	Precision High Voltage Current Sense Amplifier
Datasheet	LMP8645-etcTI.pdf

LMP8645 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 |