Overview
The DRV5056A4QDBZR is a unipolar ratiometric linear Hall effect sensor produced by Texas Instruments. This device is designed to respond proportionally to the flux density of a magnetic south pole, making it ideal for accurate position sensing in various applications. It operates from 3.3-V and 5-V power supplies and features a fully integrated signal conditioning circuit, temperature compensation, and mechanical stress cancellation.
The sensor has an analog output with a 0.6-V quiescent offset, which maximizes the voltage swing for high accuracy. It is available in a surface-mount SOT-23 package and is compatible with a wide range of applications due to its ratiometric architecture.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer's Part Number | DRV5056A4QDBZR | |
| Minimum Supply Voltage | 3 V | V |
| Maximum Supply Voltage | 3.63 V (for 3V range), 5.5 V (for 5V range) | V |
| Output Type | ANALOG VOLTAGE | |
| Output Range | 0.55-3.1 V | V |
| Maximum Operating Current | 10 mA | mA |
| Sensitivity | 25 mV/mT (at VCC = 5 V) | mV/mT |
| Linear Magnetic Sensing Range | 158 mT (at VCC = 5 V) | mT |
| Package Shape or Style | RECTANGULAR (SOT-23-3) | |
| Mounting Feature | SURFACE MOUNT | |
| Minimum Operating Temperature | -40°C | °C |
| Maximum Operating Temperature | 125°C | °C |
| Body Dimensions | 2.92 mm x 1.30 mm x 1.12 mm | mm |
Key Features
- Ratiometric Analog Output: The sensor's output scales linearly with the power-supply voltage, ensuring consistent readings regardless of VCC tolerance.
- Temperature Compensation: Built-in temperature compensation circuits to counteract magnet temperature drift, ensuring linear performance across a wide temperature range.
- High Accuracy: Analog output with a 0.6-V quiescent offset maximizes the voltage swing for high accuracy.
- Fast Sensing Bandwidth: 20-kHz sensing bandwidth for rapid response to changes in the magnetic field.
- Low Noise Output: Low-noise output with ±1-mA drive capability.
- Compact Package: Available in a surface-mount SOT-23 package, making it suitable for space-constrained designs.
Applications
- Precise Position Sensing: Ideal for applications requiring accurate position measurement.
- Industrial Automation and Robotics: Used in various industrial and robotic systems for precise control and sensing.
- Home Appliances: Incorporated into home appliances for sensing and control functions.
- Gamepads, Pedals, Keyboards, Triggers: Utilized in gaming peripherals for precise and reliable input sensing.
- Height Leveling, Tilt, and Weight Measurement: Used in applications requiring accurate measurement of height, tilt, and weight.
- Fluid Flow Rate Measurement: Employed in systems measuring fluid flow rates.
- Medical Devices: Used in medical devices for precise sensing and measurement.
- Current Sensing: Can be used for current sensing applications due to its linear response to magnetic fields.
Q & A
- What is the DRV5056A4QDBZR?
The DRV5056A4QDBZR is a unipolar ratiometric linear Hall effect sensor produced by Texas Instruments.
- What are the operating voltage ranges for the DRV5056A4QDBZR?
The device operates from 3.3-V and 5-V power supplies.
- What is the output type of the DRV5056A4QDBZR?
The output type is analog voltage.
- What is the sensitivity of the DRV5056A4QDBZR?
The sensitivity is 25 mV/mT at VCC = 5 V.
- What is the linear magnetic sensing range of the DRV5056A4QDBZR?
The linear magnetic sensing range is 158 mT at VCC = 5 V.
- What package type is the DRV5056A4QDBZR available in?
The device is available in a surface-mount SOT-23 package.
- What are the key features of the DRV5056A4QDBZR?
Key features include ratiometric analog output, temperature compensation, high accuracy, fast sensing bandwidth, and low noise output.
- What are some common applications of the DRV5056A4QDBZR?
Common applications include precise position sensing, industrial automation, home appliances, gaming peripherals, height leveling, fluid flow rate measurement, medical devices, and current sensing.
- How does the DRV5056A4QDBZR handle temperature variations?
The device includes built-in temperature compensation circuits to counteract magnet temperature drift, ensuring linear performance across a wide temperature range.
- What is the maximum operating current of the DRV5056A4QDBZR?
The maximum operating current is 10 mA.
