QT240 Datasheet - QUANTUM

QT240, 4 KEY QTOUCH SENSOR IC

www.DataSheet4U.com lQ z Four independent charge-transfer (‘QT’) touch keys z Individual outputs per channel - active high z Projects prox fields thr.
Sense pin (to Rs2 + Cs2) Sense pin (to Cs2, electrode) Sense pin (to Rs1 + Cs1) Sense pin (to Cs1, electrode); speed option Output, key 1 Output, key.

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Datasheet Details

Part number:

QT240

Manufacturer:

QUANTUM

File Size:

284.37 KB

Description:

4 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 QT240 charge-transfer (“QT’”) QTouch IC is a self-contained digital sensor IC capable of detecting near-proxim

QT240 Distributors

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