Overview
The DRV425RTJT is a fully-integrated fluxgate magnetic sensor produced by Texas Instruments. This device is designed for single-axis magnetic field-sensing applications, enabling high-sensitivity and precise dc- and ac-field measurements. It features an internal compensation coil to support a high-accuracy sensing range and is packaged in a thermally-enhanced, non-magnetic, thin WQFN package with 20 pins. The DRV425RTJT is suitable for a wide range of industrial and automotive applications due to its extended operating temperature range of –40°C to +125°C.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 20-VFQFN Exposed Pad |
| Pins | 20 |
| Operating Temperature Range | –40°C to +125°C |
| Supply Voltage Range | 3.0 V to 5.5 V |
| Supply Current | 10 mA |
| Output Type | Analog Voltage |
| Sensing Range | ±2 mT |
| 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) |
| Bandwidth | 47 kHz or 32 kHz (Selectable) |
Key Features
- High-Precision, Integrated Fluxgate Sensor with internal compensation coil for high-accuracy sensing.
- Range and Gain Adjustable with External Resistor.
- Selectable Bandwidth: 47 kHz or 32 kHz.
- Precision Reference with 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.
- Thermally-enhanced, non-magnetic, thin WQFN package for optimized heat dissipation.
Applications
The DRV425RTJT is suitable for various applications requiring precise magnetic field measurements, including industrial automation, automotive systems, robotics, and any system that needs to measure dc- and ac-magnetic fields with high accuracy. Its extended temperature range and robust design make it ideal for harsh environments.
Q & A
- What is the DRV425RTJT?
The DRV425RTJT is a fully-integrated fluxgate magnetic sensor produced by Texas Instruments. - What is the operating temperature range of the DRV425RTJT?
The operating temperature range is –40°C to +125°C. - What is the supply voltage range for the DRV425RTJT?
The supply voltage range is 3.0 V to 5.5 V. - What is the sensing range of the DRV425RTJT?
The sensing range is ±2 mT. - What are the key features of the DRV425RTJT?
Key features include high-precision sensing, adjustable range and gain, selectable bandwidth, precision reference, and diagnostic features. - What package type does the DRV425RTJT use?
The DRV425RTJT is packaged in a 20-VFQFN Exposed Pad. - Is the DRV425RTJT RoHS compliant?
Yes, the DRV425RTJT is RoHS compliant. - What are some typical applications for the DRV425RTJT?
Typical applications include industrial automation, automotive systems, and robotics. - How does the DRV425RTJT handle noise and linearity?
The DRV425RTJT has a noise level of 1.5 nT/√Hz (Typ) and linearity of ±0.1%. - Does the DRV425RTJT have diagnostic features?
Yes, it includes overrange and error flags as diagnostic features.
