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QT1103 - 10-KEY SENSOR IC

Features

  • as the older device but differs in the following ways:.
  • Rs resistors on each channel eliminated.
  • Up to 4x more sensitive for a given value of Cs.
  • Shorter burst lengths, less power for a given value of Cs.
  • ‘Burst A and B’ only mode for up to eight keys, with less power.
  • ‘Burst B’ only mode for up to four keys, with less power than ‘Burst A and B’ mode.
  • Requires an external reset signal The QT1103 should be used instead of the QT1101 for new de.

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Datasheet Details

Part number QT1103
Manufacturer QUANTUM
File Size 280.13 KB
Description 10-KEY SENSOR IC
Datasheet download datasheet QT1103 Datasheet

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Full PDF Text Transcription

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lQ QT1103 QTOUCH™ 10-KEY SENSOR IC This datasheet is applicable to all revision 3 chips DETECT SYNC/LP VSS SNS7K SNS7 SNS6K SNS6 SNS5K The QT1103 is designed for low cost appliance, mobile, and consumer electronics applications. QTouch™ technology is a type of patented charge-transfer sensing method well known for its robust, stable, EMC-resistant characteristics. It is the only all-digital capacitive sensing technology in the market today. This technology has over a decade of applications experience spanning thousands of designs. QTouch circuits are renowned for simplicity, reliability, ease of design, and cost effectiveness.
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