SBAS645
August 2019
DRV5057-Q1
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Typical Schematic
Magnetic Response
4
Revision History
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Magnetic Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Magnetic Flux Direction
7.3.2
Sensitivity Linearity
7.3.3
Operating VCC Ranges
7.3.4
Sensitivity Temperature Compensation for Magnets
7.3.5
Power-On Time
7.3.6
Hall Element Location
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.1.1
Selecting the Sensitivity Option
8.1.2
Decoding a PWM
8.1.2.1
Decoding a PWM (Digital)
8.1.2.1.1
Capture and Compare Timer Interrupt
8.1.2.1.2
Oversampling and Counting With a Timer Interrupt
8.1.2.1.3
Accuracy and Resolution
8.1.2.2
Decoding a PWM (Analog)
8.2
Typical Applications
8.2.1
Full-Swing Orientation Example
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curve
8.2.2
Half-Swing Orientation Example
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.3
What to Do and What Not to Do
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
Receiving Notification of Documentation Updates
11.3
Community Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DBZ|3
MPDS108G
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbas645_oa
sbas645_pm
1
Features
AEC-Q100 qualified for automotive applications
Temperature grade 0: –40°C to 150°C
PWM-output linear Hall effect magnetic sensor
Operates from 3.3-V and 5-V power supplies
2-kHz clock output with 50% quiescent duty cycle
Magnetic sensitivity options (at V
CC
= 5 V):
A1: 2%D/mT, ±21-mT range
A2: 1%D/mT, ±42-mT range
A3: 0.5%D/mT, ±84-mT range
A4: 0.25%D/mT, ±168-mT range
Open-drain output with 20-mA sink capability
Compensation for magnet temperature drift
Industry standard package:
Surface-mount SOT-23