QT300 Datasheet | QUANTUM

.. CAPACITANCE DIGITAL CONVERTER Capacitance to Digital Converter (CDC) IC Direct-to-digital conversion, 16 bits Log response: Wide dynamic range Outputs raw data to a host device Single wire UART interface Master or Slave mode SPI interface Programmable clock speed Turns objects into intrinsic touch sensors One external sample capacitor to control gain Multiple QT300’s possible on one SPI bus Vss 4 DRDY SCK SNS1 1 8 Vdd SDO REQ / 1W SNS2 2 3 7 6 5 The QT300 charge-transfer (“QT’”) IC is a self-contained Capacitance-toDigital-Converter (CDC) capable of detecting femotofarad level changes in capacitance. While designed primarily for instrumentation...