STM8T141 Datasheet, PDF (1/50 Pages) STMicroelectronics – On-chip integrated voltage regulator

STM8T141
Single-channel capacitive sensor for touch
or proximity detection with shielded sensing electrode
Features
■ Touch or proximity detection (a few
centimeters)
■ Built-in driven shield function:
– Enhance proximity detection
– Protect sensing electrode from noise
interference
■ Ultra-low power modes suitable for battery
applications (11 µA in extreme low power
mode)
■ On-chip integrated voltage regulator
■ Environment compensation filter
■ User programmable options include:
– Four detection thresholds
– Four output modes
– Four low power modes
– Reference freeze timeout
■ Minimal external components
Applications
■ Consumer electronics
■ Power-critical and battery applications
– Wake-up on proximity
■ Home and office appliances
– Find-in-the-dark (FITD) applications using
proximity detection
– Sanitary ware and white goods
■ Flameproof human interface devices for use in
hazardous environments
SO8
(narrow)
UFDFPN8
(2 x 3 mm)
Table 1. Device summary
Feature
STM8T141
Operating supply voltage
Supported interface
Operating temperature
2.0 V to 5.5 V
Single key state output
–40° to +85 °C
Packages
8-pin SO
8-pin UFDFPN
June 2011
Doc ID 15699 Rev 7
1/50
www.st.com
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