SNOSCZ4
April 2015
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Typical Application
5
Revision History
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
I2C Interface Voltage Level
7.7
I2C Interface Timing
7.8
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
The Shield
8.3.2
The CAPDAC
8.3.3
Capacitive System Offset Calibration
8.3.4
Capacitive Gain Calibration
8.4
Device Functional Modes
8.4.1
Single Ended Measurement
8.4.2
Differential Measurement
8.5
Programming
8.5.1
Serial Bus Address
8.5.2
Read/Write Operations
8.5.3
Device Usage
8.5.3.1
Measurement Configuration
8.5.3.2
Triggering Measurements
8.5.3.3
Wait for Measurement Completion
8.5.3.4
Read of Measurement Result
8.6
Register Maps
8.6.1
Registers
8.6.1.1
Capacitive Measurement Registers
8.6.2
Measurement Configuration Registers
8.6.3
FDC Configuration Register
8.6.4
Offset Calibration Registers
8.6.5
Gain Calibration Registers
8.6.6
Manufacturer ID Register
8.6.7
Device ID Register
9
Applications and Implementation
9.1
Application Information
9.1.1
Liquid Level Sensor
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Performance Plot
9.3
Do's and Don'ts
9.4
Initialization Set Up
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
Trademarks
12.3
Electrostatic Discharge Caution
12.4
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DGS|10
MPDS035C
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snoscz4_oa
snoscz4_pm
5 Revision History
DATE
REVISION
NOTES
April 2015
*
Initial release.