QT220 2 KEY QTOUCH SENSOR IC

QUANTUM

Description

www.DataSheet4U.com lQ z Two independent charge-transfer (‘QT’) touch keys z Individual outputs per channel - active high z Projects prox fields thro.
Sense pin (to Rs1+ Cs1) Sense pin (to Cs1 electrode) Do not connect Speed option Do not connect Output, key 1 Output, key 2 Ground Sync in and/or spre.

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Datasheet Specifications

Part number: QT220
Manufacturer: QUANTUM
File Size: 351.90 KB
Datasheet: QT220_QUANTUM.pdf
Description: 2 KEY QTOUCH SENSOR IC

Features

* spread-spectrum acquisition capability, external synchronization of acquire bursts, and fast and slow acquisition modes. These modes are enabled via high-value resistors connected to the SNS pins to ground or Vdd. These resistors are required in every circuit. There are two basic modes as shown in F

Applications

* PC Peripherals
* Backlighted buttons
* Appliance controls
* Security systems
* Access systems
* Pointing devices
* Instrument panels
* Gaming machines The QT220 charge-transfer (“QT’”) QTouch IC is a self-contained digital sensor IC capable of detecting near-proxim

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QT220 KEY QTOUCH SENSOR QUANTUM

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