INA281 Datasheet PDF - Texas Instruments 1.3-MHz Current-Sense Amplifier Specs

INA281 - 1.3-MHz Current-Sense Amplifier

Datasheet Summary

Description

The INA281 is a high-precision current sense amplifier that can measure voltage drops across shunt resistors over a wide common-mode range from

4 V to 110 V.

Features

1 Wide common-mode voltage:.
Operational voltage:.
4 V to +110 V.
Survival voltage:.
20 V to +120 V.
Excellent CMRR:.
120-dB DC CMRR.
65-dB AC CMRR at 50 kHz.
Accuracy:.
Gain:.
Gain error: ±0.5% (maximum).
Gain drift: ±20 ppm/°C (maximum).
Offset:.
Offset voltage: ±55 µV (typical).
Offset drift: ±0.1 µV/°C (typical).
Available gains:.
INA281A1, IN.

Datasheet Details

Part number	INA281
Manufacturer	Texas Instruments
File Size	1.50 MB
Description	1.3-MHz Current-Sense Amplifier
Datasheet	INA281 Datasheet
Additional preview pages of the INA281 datasheet.

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Full PDF Text Transcription

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Product Folder Order Now Technical Documents Tools & Software Support & Community INA281, –4-V to 110-V, 1.3-MHz Current-Sense Amplifier INA281 SBOSA29 – JUNE 2020 1 Features •1 Wide common-mode voltage: – Operational voltage: −4 V to +110 V – Survival voltage: −20 V to +120 V • Excellent CMRR: – 120-dB DC CMRR – 65-dB AC CMRR at 50 kHz • Accuracy: – Gain: – Gain error: ±0.5% (maximum) – Gain drift: ±20 ppm/°C (maximum) – Offset: – Offset voltage: ±55 µV (typical) – Offset drift: ±0.1 µV/°C (typical) • Available gains: – INA281A1, INA281B1 : 20 V/V – INA281A2, INA281B2 : 50 V/V – INA281A3, INA281B3 : 100 V/V – INA281A4, INA281B4 : 200 V/V – INA281A5, INA281B5 : 500 V/V • High bandwidth: 1.3 MHz • Slew rate: 2.5V/µs • Quiescent current: 1.

Published: Aug 16, 2023 |