DRV425 - 磁通门磁场传感器

DRV425是TI德州仪器公司的一款电流感应产品，DRV425是磁通门磁场传感器，本站介绍了DRV425的封装应用图解、特点和优点、功能等，并给出了与DRV425相关的TI元器件型号供参考。

DRV425 - 磁通门磁场传感器 - 电流感应 - 电流感应 - 德州仪器

产品特性

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-Selectable Voltage: 2.5 V or 1.65 V
- Selectable Ratiometric Mode: VDD / 2
Diagnostic Features: Overrange and Error Flags
Supply Voltage Range: 3.0 V to 5.5 V

产品应用

Linear Position Sensing
Current Sensing in Busbars
Over-the-Trace Current Sensing
General-Purpose Magnetic-Field Sensors

产品说明

The DRV425 is designed for single-axis magnetic field-sensing applications and enables electrically-isolated, 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. The output of the DRV425 is an analog signal proportional to the sensed magnetic field.

The DRV425 offers a complete set of features, including an internal difference amplifier, on-chip precision reference, and diagnostic functions to minimize component count and system-level cost.

The DRV425 is available in a thermally-enhanced, non-magnetic, thin WQFN package with a PowerPAD™ for optimized heat dissipation, and is specified for operation over the extended industrial temperature range of –40°C to +125°C.

Device Information (1)

PART NUMBER	PACKAGE	BODY SIZE (NOM)
DRV425	WQFN (20)	4.00 mm × 4.00 mm

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