LMP8481 - Precision 76-V High-Side Current Sense Amplifier

Product Overview

Texas Instruments

Datasheet Details

Part number	LMP8481
Manufacturer	Texas Instruments
File Size	2.64 MB
Description	Precision 76-V High-Side Current Sense Amplifier
Datasheet	LMP8481 Datasheet
Note	This datasheet PDF includes multiple part numbers: LMP8481, LMP8480. Please refer to the document for exact specifications by model.
Additional preview pages of the LMP8481 datasheet.

Product details

Description

The LMP8480 and LMP8481 are precision high-side current sense amplifiers that amplify a small differential voltage developed across a current sense resistor in the presence of high input common-mode voltages.

Features

1 Typical Values: TA = 25°C.
Bidirectional or Unidirectional Sensing.
Common Mode Voltage Range: 4.0 V to 76 V.
Supply Voltage Range: 4.5 V to 76 V.
Fixed Gains: 20, 60, and 100 V/V.
Gain Accuracy: ±0.1%.
Offset: ±80 µV.
Bandwidth (.
3 dB): 270 kHz.
Quiescent Current: < 100 µA.
Buffered High-Current Output: > 5 mA.
Input Bias Current: 7 µA.
PSRR (DC): 122 dB.
CMRR (DC): 124.

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Published: Mar 29, 2025 |