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CST3240 Datasheet High Performance Mutual Capacitor Multi-touch Chip

Manufacturer: Hynitron

Overview: 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. pared 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 . Cover Lens Thickness support, glass <= 2mm acrylic the same time, the chip internal self-mutual <=1mm. integrated capacitor induction module, bined with the intelligent scanning algorithm, can achieve rapid response, with excellent noise resistance, waterproof, low power consumption performance. 2.

Datasheet Details

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

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.

CST3240 Distributor