Silabs C8051F99x低功耗高灵敏容性触摸解决方案

25 MIPS, 8 kB Flash, Ultra Low Power, Capacitive Sensing MCU

The QuickSense™ C8051F99x family of capacitive sensing MCUs provides the lowest power and highest sensitivity touch sensing solution for capacitive buttons, sliders, wheels and capacitive proximity sensing. Architected from the popular C8051F9xx platform the device features a 150 µA/MHz active mode and multiple sleep modes as low as 10 nA.  With up to 14 capacitive sensing inputs and a patent-pending charge timing hardware capacitance to digital converter, the C8051F99x achieves unparalleled touch sensitivity, speed and ultra-low power in packages as small as a 3 mm x 3 mm QFN20.

C8051F99x系列主要特性：

Capacitance to Digital Converter

-Supports buttons, sliders, wheels, and capacitive proximity sensing

-Fast 40 μs per channel conversion time

-16-bit resolution

-Up to 14 input channels

-Auto-accumulate up to 64x samples

Ultra-Low Power

-150 μA/MHz active current from 1.8–3.6 V @ 25 MHz

-10 nA sleep current with data retention; BOD disabled

-50 nA sleep current with data retention; BOD enabled

查看全文