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AMC3330 Datasheet Reinforced Isolated Amplifier

Manufacturer: Texas Instruments

Overview: AMC3330 SBASA34B – JUNE 2020 – REVISED AUGUST 2024 AMC3330 Precision, ±1V Input, Reinforced Isolated Amplifier With Integrated DC/DC Converter.

General Description

The AMC3330 is a precision, isolated amplifier with a fully integrated, isolated DC/DC converter that allows single-supply operation from the low-side of the device.

The reinforced capacitive isolation barrier is certified according to DIN EN IEC 60747-17 (VDE 0884-17) and UL1577 and separates sections of the system that operate on different common-mode voltage levels and protects low-voltage domains from damage.

The input of the AMC3330 is optimized for direct connection to high-impedance, voltage-signal sources such as a resistor-divider network to sense high-voltage signals.

Key Features

  • 3.3V or 5V single supply operation with integrated DC/DC converter.
  • ±1V input voltage range optimized for voltage measurements with high input impedance.
  • Fixed gain: 2.0.
  • Low DC errors:.
  • Gain error: ±0.2% (max).
  • Gain drift: ±45ppm/°C (max).
  • Offset error: ±0.3mV (max).
  • Offset drift: ±4µV/°C (max).
  • Nonlinearity: ±0.02% (max).
  • High CMTI: 85kV/µs (min).
  • System-level diagnostic features.
  • Safet.

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