QT220 Datasheet - QUANTUM

2 KEY QTOUCH SENSOR IC

QT220 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

QT220 General Description

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 spread spectrum drive Unbonded internally Unbonded internally Do not connect Reset pin, active low. Can usually tie to Vdd. Power: +4.0 to +5.0V locally r.

QT220 Datasheet (351.90 KB)

QT220 Datasheet Preview — Preview of QT220 PDF

Datasheet Details

Part number:

QT220

Manufacturer:

QUANTUM

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351.90 KB

Description:

2 key qtouch sensor ic.
www.DataSheet4U.com lQ z Two independent charge-transfer (‘QT’) touch keys z Individual outputs per channel - active high z Projects prox fields thro.

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QT220 KEY QTOUCH SENSOR QUANTUM

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QT220 Features

QT220 General Description

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