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CST3240 - High performance mutual capacitor multi-touch chip

General Description

Induction 27 channel Induction 28 channel Induction 29 channel Induction 30 channel Induction 31 channel name TX4 type I/O TX5 I/O TX6 I/O TX7 I/O TX8 I/O functional description Drive channel Drive channel Drive channel Drive channel Drive channel Hynitron Technology Co.,L

Key Features

  • communication interface . I2C master / slave communication interface, rate 50 Khz ~ 400 Khz configurable; GPIO support, a variety of working modes can be matched, built-up resistance mode;.
  • High-performance capacitance detection circuit . Built-in 1.8V LDO, compatible with 1.8 V / V DDA and the DSP module. Self-mutual integrated interface level can be matched. detection module; Multi-channel high voltage simultaneous drive,.
  • power supply achieve high sensitivity, high sig.

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Datasheet Details

Part number CST3240
Manufacturer Hynitron
File Size 506.58 KB
Description High performance mutual capacitor multi-touch chip
Datasheet download datasheet CST3240 Datasheet

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Other Datasheets by Hynitron

Part Number Description
CST328 High performance mutual capacitance multi-touch chip
CST340 High performance mutual capacitance touch controller
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Hynitron Technology Co,Ltd. CST3240 High performance mutual capacitor multi-touch chip 1. Summary ■ capacitive screen support . Up to 40 drive / induction channels, and support TX / CST3240 Series multi-point capacitive touch chip, RX interchange; support single-layer, multi-layer module and a variety . Channel suspension / pull-down design support; of patterns, using multi-channel 7V above high . Support traditional DITO and SITO and various voltage drive, to achieve high performance, high patterns; sensitivity real multi-finger touch effect. Compared to . Module parameters are automatically adjusted, and the traditional single-voltage drive can provide higher the maximum support impedance is up to 60K; signal-to-noise ratio and anti-interference ability. At .