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CP2508 - 8 channels Capacitive Touch Sensor Controller

Description

The CP2508 is 8 channels capacitive touch panel controller, used for scroll, navigation and selection detection.

The controller contains SPI or I2C serial interface, extended GPIO, high PSRR LDO and in-built OSC.

The touch status can be read via serial interface or GPIO.

Features

  • Up to 8 channels.
  • Fast touch response time:15~20 ms.
  • High capacitance resolution(0.02pF @ 100uA charge current), measurement range is 0~80pF.
  • Touch status outputs in direct or coded mode optionally.
  • SPI or I2C interface selectable, and interrupt programmable.
  • In-built LDO for high PSRR.
  • Auto compensation the drift of environment (temperature or humidity) and supply voltage.
  • In-built oscillator.
  • 3 types of operation mode: Power-down /Idle / Normal.
  • Suppor.

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Datasheet preview – CP2508

Datasheet Details

Part number CP2508
Manufacturer CHIP
File Size 256.74 KB
Description 8 channels Capacitive Touch Sensor Controller
Datasheet download datasheet CP2508 Datasheet
Additional preview pages of the CP2508 datasheet.

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Full PDF Text Transcription

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Product Brief CP2508 Touch Panel Controller Series 8 channels Capacitive Touch Sensor Controller General www.datasheet4u.com Description The CP2508 is 8 channels capacitive touch panel controller, used for scroll, navigation and selection detection. The controller contains SPI or I2C serial interface, extended GPIO, high PSRR LDO and in-built OSC. The touch status can be read via serial interface or GPIO. Particularly, adjacent sensor suppression (ASS) function ensures only one channel active each time. The range of power is 2.8V ~ 3.6V. Low-power operation makes the CP2508 ideal for battery-operated systems, such as multimedia portable product. The CP2508 is specified over the -40℃ to +85℃ temperature range.
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