Overview
The DRV425RTJR is a digital-latch Hall effect sensor IC designed by Texas Instruments for applications requiring highly accurate and reliable magnetic sensing. This device provides a robust and versatile solution for monitoring magnetic fields and detecting the presence of magnetic objects. It is particularly suited for precise magnetic field measurement in various environments, offering high accuracy and resolution for detection applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of input channels | 1 | |
| Operating temperature range | -40 to 125 | °C |
| Supply voltage (Vs) | 3 to 5.5 | V |
| Supply current (max) | 10 | mA |
| Output current (max) | 20 | mA |
| Sensing range | ±2.0 | mT |
| Bandwidth | 47 kHz, 32 kHz | |
| Package | 20-WFQFN Exposed Pad | |
| Mounting type | Surface Mount | |
| Output type | Analog voltage |
Key Features
- Highly accurate and reliable magnetic sensing using an integrated fluxgate sensor (IFG) with an internal compensation coil.
- High-sensitivity and precise dc- and ac-field measurements.
- Low offset, offset drift, and noise, combined with precise gain and low gain drift.
- Very low nonlinearity provided by the internal compensation coil.
- Internal difference amplifier and on-chip precision reference.
- Diagnostic functions to minimize component count and system-level cost.
- Selectable scale feature.
- Thermally-enhanced, non-magnetic, thin WQFN package with a PowerPAD™ for optimized heat dissipation.
Applications
The DRV425RTJR is ideal for various applications, including:
- Position and speed sensing in automotive systems.
- Precise magnetic field measurement in industrial environments.
- Electrically-isolated, high-sensitivity magnetic field sensing in general industrial and consumer electronics.
Q & A
- Q: What is the operating voltage range of the DRV425RTJR?
A: The DRV425RTJR operates within a voltage range of 3.0V to 5.5V. - Q: Is the DRV425RTJR suitable for automotive applications?
A: Yes, the DRV425RTJR is ideal for position and speed sensing in automotive applications due to its high accuracy and reliability in detecting magnetic fields. - Q: What is the sensing range of the DRV425RTJR?
A: The sensing range of the DRV425RTJR is ±2.0 mT. - Q: What is the maximum supply current of the DRV425RTJR?
A: The maximum supply current is 10 mA. - Q: What is the output type of the DRV425RTJR?
A: The output type is an analog voltage proportional to the sensed magnetic field. - Q: What is the operating temperature range of the DRV425RTJR?
A: The operating temperature range is -40°C to 125°C. - Q: What package type does the DRV425RTJR come in?
A: The DRV425RTJR comes in a 20-WFQFN Exposed Pad package. - Q: Does the DRV425RTJR have diagnostic functions?
A: Yes, the DRV425RTJR includes diagnostic functions to minimize component count and system-level cost. - Q: What is the bandwidth of the DRV425RTJR?
A: The bandwidth of the DRV425RTJR is up to 47 kHz and 32 kHz. - Q: Is the DRV425RTJR ROHS compliant?
A: Yes, the DRV425RTJR is ROHS3 compliant.
