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AMC1311B Datasheet Reinforced Isolated Amplifiers

Manufacturer: Texas Instruments

Overview: AMC1311 SBAS786C – DECEMBER 2017 – REVISED JUNE 2022 AMC1311x High-Impedance, 2-V Input, Reinforced Isolated Amplifiers.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The AMC1311 is a precision, isolated amplifier with an output separated from the input circuitry by a capacitive isolation barrier that is highly resistant to magnetic interference.

This barrier is certified to provide reinforced galvanic isolation of up to 5 kVRMS according to DIN EN IEC 60747-17 (VDE 0884-17) and UL1577 and supports a working voltage of up to 1500 VRMS.

The isolation barrier separates parts of the system that operate on different common-mode voltage levels and protects the low-voltage side from voltages that can cause electrical damage or be harmful to an operator.

Key Features

  • 2-V, high-impedance input voltage range optimized for isolated voltage measurement.
  • Fixed gain: 1.
  • Low DC errors:.
  • AMC1311:.
  • Offset error: ±9.9 mV (maximum).
  • Offset drift: ±20 μV/°C (typical).
  • Gain error: ±1% (maximum).
  • Gain drift: ±30 ppm/°C (typical).
  • AMC1311B:.
  • Offset error: ±1.5 mV (maximum).
  • Offset drift: ±10 μV/°C (maximum).
  • Gain error: ±0.2% (maximum).
  • Gain drift: ±40 ppm/.

AMC1311B Distributor