QT300 - CAPACITANCE TO DIGITAL CONVERTER

Description

Pin Name Function 1 2 3 4 5 6 7 8 /DRDY SCK SNS1 VSS SNS2 /REQ SDO VDD Data Ready Serial data clock Sense 1 line Negative supply (ground) Sense 2 line Request input Serial data out Positive supply Vdd 100nF 10K 10K HOST MICRO DRDY SCK REQ SDI 10K 10K QT300 1 2 6 7 8 Vdd SNS1 SCK REQ SNS2 SDO Vss 4

QUANTUM

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Datasheet Details

Part number	QT300
Manufacturer	QUANTUM
File Size	406.26 KB
Description	CAPACITANCE TO DIGITAL CONVERTER
Datasheet	QT300 Datasheet
Additional preview pages of the QT300 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com LQ CAPACITANCE TO DIGITAL CONVERTER QT300 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 QT300 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.

Published: Dec 19, 2006 |