DRV5055A4QDBZR
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Texas Instruments DRV5055A4QDBZR

Manufacturer No:
DRV5055A4QDBZR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
SENSOR HALL ANALOG SOT23-3
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The DRV5055A4QDBZR is a ratiometric linear Hall effect sensor produced by Texas Instruments. This device responds proportionally to magnetic flux density, making it suitable for accurate position sensing in a wide range of applications. It operates from 3.3-V or 5-V power supplies and provides an analog output that changes linearly with the applied magnetic flux density. The sensor features four sensitivity options to maximize output voltage swing based on the required sensing range.

The DRV5055A4QDBZR is packaged in a SOT-23 (DBZ) package with 3 pins, offering a compact solution for various applications. It includes magnet temperature compensation to ensure linear performance across a wide temperature range of –40°C to 125°C.

Key Specifications

Parameter Value Unit
Package SOT-23 (DBZ) -
Supply Voltage 3.3 V to 5 V V
Sensitivity Options 12.5 mV/mT, 25 mV/mT, 50 mV/mT, 100 mV/mT mV/mT
Magnetic Sensing Range ±21 mT, ±42 mT, ±85 mT, ±169 mT mT
Sensing Bandwidth 20 kHz kHz
Output Drive ±1 mA mA
Operating Temperature Range –40°C to 125°C °C
Quiescent Voltage VCC / 2 V
Supply Current 6 mA to 10 mA mA

Key Features

  • Ratiometric Linear Hall Effect Magnetic Sensor: Responds proportionally to magnetic flux density.
  • Operates From 3.3-V and 5-V Power Supplies: Flexible power supply options.
  • Analog Output With VCC / 2 Quiescent Offset: Output changes linearly with the applied magnetic flux density.
  • Four Sensitivity Options: 12.5 mV/mT, 25 mV/mT, 50 mV/mT, and 100 mV/mT to maximize output voltage swing.
  • Fast 20-kHz Sensing Bandwidth: High-speed sensing capability.
  • Low-Noise Output With ±1-mA Drive: High signal-to-noise ratio.
  • Magnet Temperature Compensation: Ensures linear performance across a wide temperature range.
  • Standard Industry Packages: Available in SOT-23 and TO-92 packages.

Applications

  • Fluid Flow Rate Measurement: Accurate measurement of fluid flow rates.
  • Medical Devices: Used in medical equipment for precise sensing.
  • Absolute Angle Encoding: For accurate angle measurement in various applications.
  • Current Sensing: For monitoring current levels in electrical systems.
  • Position Sensing: In industrial automation, robotics, and other applications requiring precise position sensing.

Q & A

  1. What is the operating voltage range of the DRV5055A4QDBZR?

    The DRV5055A4QDBZR operates from 3.3-V to 5-V power supplies.

  2. What are the sensitivity options available for the DRV5055A4QDBZR?

    The device offers four sensitivity options: 12.5 mV/mT, 25 mV/mT, 50 mV/mT, and 100 mV/mT.

  3. What is the sensing bandwidth of the DRV5055A4QDBZR?

    The sensing bandwidth is 20 kHz.

  4. Does the DRV5055A4QDBZR have temperature compensation?
  5. What is the quiescent voltage of the DRV5055A4QDBZR?

    The quiescent voltage is VCC / 2.

  6. What are the typical applications of the DRV5055A4QDBZR?

    Applications include fluid flow rate measurement, medical devices, absolute angle encoding, current sensing, and position sensing.

  7. What package types are available for the DRV5055A4QDBZR?

    The device is available in SOT-23 and TO-92 packages.

  8. What is the operating temperature range of the DRV5055A4QDBZR?

    The operating temperature range is –40°C to 125°C.

  9. How does the DRV5055A4QDBZR eliminate error from VCC tolerance?

    The device uses a ratiometric architecture that can eliminate error from VCC tolerance when the external analog-to-digital converter (ADC) uses the same VCC for its reference.

  10. What is the output drive capability of the DRV5055A4QDBZR?

    The output drive capability is ±1 mA.

Product Attributes

Technology:Hall Effect
Axis:Single
Output Type:Analog Voltage
Sensing Range:±169mT
Voltage - Supply:3V ~ 3.63V, 4.5V ~ 5.5V
Current - Supply (Max):10mA
Current - Output (Max):1mA
Resolution:- 
Bandwidth:20kHz
Operating Temperature:-40°C ~ 125°C
Features:Temperature Compensated
Supplier Device Package:SOT-23-3
Mounting Type:Surface Mount
Package / Case:TO-236-3, SC-59, SOT-23-3
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