Product details

Type Ratiometric unipolar Supply voltage (Vcc) (Min) (V) 3 Supply voltage (Vcc) (Max) (V) 5.5 Accuracy (%) 5 Rating Catalog Output 0.6 V to Vcc Sensitivity (Typ) (mV/mT) 25, 50, 100, 200 Operating temperature range (C) -40 to 125
Type Ratiometric unipolar Supply voltage (Vcc) (Min) (V) 3 Supply voltage (Vcc) (Max) (V) 5.5 Accuracy (%) 5 Rating Catalog Output 0.6 V to Vcc Sensitivity (Typ) (mV/mT) 25, 50, 100, 200 Operating temperature range (C) -40 to 125
SOT-23 (DBZ) 3 7 mm² 2.92 x 2.37 TO-92 (LPG) 3 6 mm² 4 x 1.52
  • Unipolar linear hall effect magnetic sensor
  • Operates from 3.3-V and 5-V power supplies
  • Analog output with 0.6-V quiescent offset:
    • Maximizes voltage swing for high accuracy
  • Magnetic sensitivity options (at VCC = 5 V):
    • A1/Z1: 200 mV/mT, 20-mT range
    • A2/Z2: 100 mV/mT, 39-mT range
    • A3/Z3: 50 mV/mT, 79-mT range
    • A4/Z4: 25 mV/mT, 158-mT range
    • A6: 100 mV/mT, 39-mT range
  • Fast 20-kHz sensing bandwidth
  • Low-noise output with ±1-mA drive
  • Compensation for magnet temperature drift for A1/A2/A3/A4/A6 versions and None for the Z1/Z2/Z3/Z4 versions
  • Standard industry packages:
    • Surface-mount SOT-23
    • Through-hole TO-92
  • Unipolar linear hall effect magnetic sensor
  • Operates from 3.3-V and 5-V power supplies
  • Analog output with 0.6-V quiescent offset:
    • Maximizes voltage swing for high accuracy
  • Magnetic sensitivity options (at VCC = 5 V):
    • A1/Z1: 200 mV/mT, 20-mT range
    • A2/Z2: 100 mV/mT, 39-mT range
    • A3/Z3: 50 mV/mT, 79-mT range
    • A4/Z4: 25 mV/mT, 158-mT range
    • A6: 100 mV/mT, 39-mT range
  • Fast 20-kHz sensing bandwidth
  • Low-noise output with ±1-mA drive
  • Compensation for magnet temperature drift for A1/A2/A3/A4/A6 versions and None for the Z1/Z2/Z3/Z4 versions
  • Standard industry packages:
    • Surface-mount SOT-23
    • Through-hole TO-92

The DRV5056 is a linear Hall effect sensor that responds proportionally to flux density of a magnetic south pole. The device can be used for accurate position sensing in a wide range of applications.

Featuring a unipolar magnetic response, the analog output drives 0.6 V when no magnetic field is present, and increases when a south magnetic pole is applied. This response maximizes the output dynamic range in applications that sense one magnetic pole. Four sensitivity options further maximize the output swing based on the required sensing range.

The device operates from 3.3-V or 5-V power supplies. Magnetic flux perpendicular to the top of the package is sensed, and the two package options provide different sensing directions.

The device uses a ratiometric architecture that can minimize error from VCC tolerance when the external analog-to-digital converter (ADC) uses the same VCC for its reference. Additionally, the device features magnet temperature compensation to counteract how magnets drift for linear performance across a wide temperature range. Device options for no temperature compensation of magnet drift are also available.

The A1 to A4 options support a temperature range of –40°C to +125°C. The A6 version supports a temperature range of 0°C to 85°C.

The DRV5056 is a linear Hall effect sensor that responds proportionally to flux density of a magnetic south pole. The device can be used for accurate position sensing in a wide range of applications.

Featuring a unipolar magnetic response, the analog output drives 0.6 V when no magnetic field is present, and increases when a south magnetic pole is applied. This response maximizes the output dynamic range in applications that sense one magnetic pole. Four sensitivity options further maximize the output swing based on the required sensing range.

The device operates from 3.3-V or 5-V power supplies. Magnetic flux perpendicular to the top of the package is sensed, and the two package options provide different sensing directions.

The device uses a ratiometric architecture that can minimize error from VCC tolerance when the external analog-to-digital converter (ADC) uses the same VCC for its reference. Additionally, the device features magnet temperature compensation to counteract how magnets drift for linear performance across a wide temperature range. Device options for no temperature compensation of magnet drift are also available.

The A1 to A4 options support a temperature range of –40°C to +125°C. The A6 version supports a temperature range of 0°C to 85°C.

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Technical documentation

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Type Title Date
* Data sheet DRV5056 Unipolar Ratiometric Linear Hall Effect Sensor datasheet (Rev. B) PDF | HTML 03 Jun 2020
Analog Design Journal Using hall-effect sensors for contactless linear movement sensing PDF | HTML 31 Mar 2022
Application note Hall-Effect Sensors in Vacuum Robots PDF | HTML 22 Mar 2022
User guide HALL-TRIGGER-EVM User's Guide PDF | HTML 15 Dec 2021
Application note Linear Hall-Effect Sensor Angle Measurement Theory, Implementation... (Rev. B) PDF | HTML 05 Nov 2021
User guide HALL-ADAPTER-EVM User's Guide (Rev. C) PDF | HTML 21 Oct 2021
Application note Head-on Linear Displacement Sensing Using Hall-Effect Sensors PDF | HTML 28 Jun 2021
Technical article What is a Hall-effect sensor? 17 May 2021
EVM User's guide DRV5055-5057EVM User's Guide 25 Jan 2019
Technical article Intro to linear Hall effect sensors: Achieve contactless accurate position sensing 06 Sep 2018
Application note Overview Using Linear Hall Effect Sensors to Measure (Rev. A) 22 Aug 2018

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

DRV5055-5057EVM — DRV5055, DRV5056 and DRV5057 linear Hall effect sensor evaluation module

TheDRV505x is a linear Hall Effect magnetic-sense solution that provides ease of use and high performance. The DRV5055-5057EVM is intended to provide basic functional evaluation of this device family. The fixture layout is not intended to be a model for the target circuit, nor is it laid out for (...)
User guide: PDF
Not available on TI.com
Evaluation board

HALL-ADAPTER-EVM — Hall sensor breakout adapter evaluation module

Speed up your switch, latch and linear Hall sensor prototyping and testing with the HALL-ADAPTER-EVM, which provides a fast, easy and inexpensive way to interface with small ICs. You can connect any supported Hall sensor using the included Samtec terminal strips or wire them directly to existing (...)
User guide: PDF | HTML
Not available on TI.com
Evaluation board

HALL-TRIGGER-EVM — Evaluation module for contactless, Hall-effect variable-speed trigger with external field protection

This evaluation module (EVM) uses Hall-effect sensors to implement a trigger that outputs a varying voltage based on how far the trigger is pressed. The EVM uses a contactless approach that reduces wear and tear compared to traditional mechanical-based triggers, thereby improving product lifetime. (...)
User guide: PDF | HTML
Not available on TI.com
Calculation tool

HALL-PROXIMITY-DESIGN — Magnetic sensing proximity tool

HALL-PROXIMITY-DESIGN is a software tool that facilitates rapid iterative design for magnet and Hall-effect sensor systems.
Calculation tool

DRV5056 Distance Measurement Tool

SBAC231.ZIP (1110 KB)
Calculation tool

Magnetic Sensing Proximity Tool (Rev. F)

SLYR071F.ZIP (2180 KB)
Reference designs

TIDA-060032 — Contactless, Hall-effect variable-speed trigger reference design with external field protection

This reference design uses Hall-effect sensors to implement a trigger that outputs varying voltage based on how far the trigger is pressed. These types of triggers are useful in cordless power tools or any other end equipment that uses trigger displacement information.

The design uses a contactless (...)

Design guide: PDF
Schematic: PDF
Package Pins Download
SOT-23 (DBZ) 3 View options
TO-92 (LPG) 3 View options

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