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DRV425 Datasheet Fluxgate Magnetic-Field Sensor

Manufacturer: Texas Instruments

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General Description

The DRV425 is designed for single-axis magnetic field-sensing applications and enables electricallyisolated, high-sensitivity, and precise dc- and ac-field measurements.

The device provides the unique and proprietary, integrated fluxgate sensor (IFG) with an internal compensation coil to support a high-accuracy sensing range of ±2 mT with a measurement bandwidth of up to 47 kHz.

The low offset, offset drift, and noise of the sensor, combined with the precise gain, low gain drift, and very low nonlinearity provided by the internal compensation coil, result in unrivaled magnetic field measurement precision.

Overview

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community DRV425 SBOS729A – OCTOBER 2015 – REVISED MARCH 2016 DRV425 Fluxgate Magnetic-Field Sensor.

Key Features

  • 1 High-Precision, Integrated Fluxgate Sensor:.
  • Offset: ±8 µT (Max).
  • Offset Drift: ±5 nT/°C (Typ).
  • Gain Error: 0.04% (Typ).
  • Gain Drift: ±7 ppm/°C (Typ).
  • Linearity: ±0.1%.
  • Noise: 1.5 nT/√Hz (Typ).
  • Sensor Range: ±2 mT (Max).
  • Range and Gain Adjustable with External Resistor.
  • Selectable Bandwidth: 47 kHz or 32 kHz.
  • Precision Reference:.
  • Accuracy: 2% (max), Drift: 50 ppm/°C (max).
  • Pin-S.

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