SNOSCZ7B
December 2015 – April 2024
LDC0851
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Interface Voltage Levels
5.7
Timing Requirements
5.8
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Basic Operation Mode
6.3.2
Threshold Adjust Mode
6.3.3
Setting the Threshold Adjust Values
6.3.4
Hysteresis
6.3.5
Conversion Time
6.3.6
Power-Up Conditions
6.4
Device Functional Modes
6.4.1
Shutdown Mode
6.4.2
Active Mode
7
Application and Implementation
7.1
Application Information
7.1.1
Sensor Design
7.1.1.1
Sensor Frequency
7.1.1.2
Sensor Design Procedure
7.2
Typical Application
7.2.1
Event Counting
7.2.1.1
Design Requirements
7.2.1.2
Detailed Design Procedure
7.2.1.3
Application Curves
7.2.2
Coarse Position Sensing
7.2.2.1
Design Requirements
7.2.2.2
Detailed Design Procedure
7.2.2.3
Application Curves
7.2.3
Low Power Operation
7.2.3.1
Design Requirements
7.2.3.2
Detailed Design Procedure
7.2.3.3
Application Curves
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Example
7.4.2.1
Side by Side Coils
7.4.2.2
Stacked Coils
8
Device and Documentation Support
8.1
Device Support
8.1.1
Development Support
8.2
Documentation Support
8.2.1
Related Documentation
8.3
Support Resources
8.4
Trademarks
8.5
Electrostatic Discharge Caution
8.6
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
1
Features
Functional Safety-Capable
Documentation available to aid functional safety system design
Threshold tolerance: <1 % of coil diameter
Temperature stable switching operation
Average supply current: < 20µA at 10sps
Shutdown supply current: 140nA
Push-pull output
Resistor programmable threshold
Insensitive to DC magnetic fields
Contactless switching operation
Sample rate up to 4ksps
Supply voltage: 1.8V – 3.3V
Operating temperature range: –40 to 125 °C