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DRV411 Datasheet Sensor Signal Conditioning-ic

Manufacturer: Texas Instruments

Overview: DRV411 www.ti.com SBOS693B – AUGUST 2013 – REVISED DECEMBER 2013 Sensor Signal Conditioning IC for Closed-Loop Magnetic Current Sensors Check for Samples:.

General Description

The DRV411 is designed to condition InSb Hall elements for use in closed-loop current-sensor modules.

The DRV411 provides precision excitation circuitry for the Hall-element effectively eliminating the offset and offset-drift of the Hall element.

This device also provides a 250-mA H-bridge for driving the sensor compensation coil as well a precision differential amplifier to generate the output signal.

Key Features

  • 1.
  • 23 Optimized for Symmetric Hall-Elements (for example, AKM HW-322, HW-302, or similar).
  • Spinning Current Hall Sensor Excitation.
  • Elimination of Hall Sensor Offset and Drift.
  • Elimination of 1/f Noise.
  • Extended Current Measurement Range.
  • H-Bridge Drive Capability: 250 mA.
  • Precision Difference Amplifier:.
  • Offset and Drift: 100 µV (max), 2 µV/°C (max).
  • System Bandwidth: 200 kHz.
  • Precision Reference:.

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DRV411 Distributor