INA241B Datasheet PDF (Ultra-Precise Current Sense Amplifier)

INA241B - Ultra-Precise Current Sense Amplifier

This page provides the datasheet information for the INA241B, a member of the INA241A Ultra-Precise Current Sense Amplifier family.

Description

The INA241x is an ultra-precise, bidirectional current sense amplifier than can measure voltage drops across shunt resistors over a wide common-mode range from

5 V to 110 V, independent of the supply voltage.

Features

Enhanced PWM rejection optimized for systems subject to switching common-mode voltages.
Supports switching frequencies up to 125 kHz.
Wide common-mode voltage:.
Operational voltage:.
5 V to +110 V.
Survival voltage:.
20 V to +120 V.
Bidirectional operation.
High small signal bandwidth: 1.1 MHz (at all gains).
Slew rate: 8 V/µs.
Step response settling time to 1%: 1 µs.
Excellent CMRR.

Datasheet Details

Part number	INA241B
Manufacturer	Texas Instruments
File Size	2.77 MB
Description	Ultra-Precise Current Sense Amplifier
Datasheet	INA241B Datasheet
Additional preview pages of the INA241B datasheet.

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Full PDF Text Transcription

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INA241A, INA241B SBOSA30B – MARCH 2022 – REVISED JULY 2023 INA241x –5 V to 110 V, Bidirectional, Ultra-Precise Current Sense Amplifier With Enhanced PWM Rejection 1 Features • Enhanced PWM rejection optimized for systems subject to switching common-mode voltages – Supports switching frequencies up to 125 kHz • Wide common-mode voltage: – Operational voltage: −5 V to +110 V – Survival voltage: −20 V to +120 V • Bidirectional operation • High small signal bandwidth: 1.1 MHz (at all gains) • Slew rate: 8 V/µs • Step response settling time to 1%: 1 µs • Excellent CMRR – 166 dB DC-CMRR – 104 dB AC-CMRR at 100 kHz – 89 dB AC-CMRR at 1 MHz • Accuracy: – Gain error (maximum) • Version A: ±0.01%, ±1 ppm/°C drift • Version B: ±0.

Published: Aug 1, 2023 |