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QT1101 - 10 KEY QTOUCH SENSOR IC

Features

  • which provide for reliable, trouble-free operation over the life of the product. Burst operation: The device operates in ‘burst mode’. Each key is acquired using a burst of charge-transfer sensing pulses whose count varies depending on the value of the reference capacitor Cs and the load capacitance Cx. In LP mode, the device sleeps in an ultra-low current state between bursts to conserve power. The keys signals are acquired using three successive bursts of pulses: Burst A: Keys 0, 1, 4, 5 Burst.

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Datasheet Details

Part number QT1101
Manufacturer QUANTUM
File Size 255.04 KB
Description 10 KEY QTOUCH SENSOR IC
Datasheet download datasheet QT1101 Datasheet
Additional preview pages of the QT1101 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com lQ " Patented charge-transfer (‘QT’) design " Ten independent QT sensing fields (keys) " 2.8V ~ 5.5V single supply operation " 40µA current typ @ 3V in 360ms LP mode " 100% autocal for life - no adjustments required " Serial one or two wire interface with auto baud rate " Fully debounced results " Patented AKS™ Adjacent Key Suppression " Spread spectrum bursts for superior noise rejection " Sync pin for excellent LF noise rejection " ‘Fast mode’ for use in slider type applications " RoHS compliant 32-QFN, 48-SSOP packages SNS8 SNS8K SNS9 SNS9K N.C.
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