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INA290 - Ultra-Precise Current-Sense Amplifier

General Description

The INA290 is an ultra-precise current sense amplifier that can measure voltage drops across shunt resistors over a wide common-mode range from 2.7 V to 120 V.

It is in a highly space-efficient SC-70 package with a PCB footprint of only 2.0 mm × 2.1 mm.

Key Features

  • 1 Wide common-mode voltage:.
  • Operational voltage: 2.7 V to 120 V.
  • Survival voltage:.
  • 20 V to +122 V.
  • Excellent CMRR:.
  • 160-dB DC.
  • 85-dB AC at 50 kHz.
  • Accuracy.
  • Gain:.
  • Gain error: ±0.1% (maximum).
  • Gain drift: ±5 ppm/°C (maximum).
  • Offset:.
  • Offset voltage: ±12 µV (maximum).
  • Offset drift: ±0.2 µV/°C (maximum).
  • Available gains:.
  • INA290A1: 20 V/V.
  • INA29.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Product Folder Order Now Technical Documents Tools & Software Support & Community INA290 SBOS961 – JUNE 2020 INA290 2.7-V to 120-V, 1.1-MHz, Ultra-Precise Current-Sense Amplifier in Small (SC-70) Package 1 Features •1 Wide common-mode voltage: – Operational voltage: 2.7 V to 120 V – Survival voltage: −20 V to +122 V • Excellent CMRR: – 160-dB DC – 85-dB AC at 50 kHz • Accuracy – Gain: – Gain error: ±0.1% (maximum) – Gain drift: ±5 ppm/°C (maximum) – Offset: – Offset voltage: ±12 µV (maximum) – Offset drift: ±0.2 µV/°C (maximum) • Available gains: – INA290A1: 20 V/V – INA290A2: 50 V/V – INA290A3: 100 V/V – INA290A4: 200 V/V – INA290A5: 500 V/V • High bandwidth: 1.