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AK4181A - TOUCH SCREEN CONTROLLER

General Description

: The AK4181A is a 4-wire touch screen controller that incorporates a 12-bit 125kHz sampling SAR A/D converter.

The AK4181A can detect the pressed screen location by performing two A/D conversions.

In addition to location, the AK4181A also measures touch screen pressure.

Overview

www.DataSheet4U.com ASAHI KASEI [AK4181A] AK4181A.

Key Features

  • Sampling Frequency: 125kHz(max).
  • Pen Pressure Measurement.
  • On-Chip Thermo Sensor.
  • Two Auxiliary Analog Inputs.
  • Direct Battery Measurement.
  • 4-wire I/F.
  • On-Chip Voltage Reference (2.5V).
  • 12 bit SAR type A/D Converter with S/H circuit.
  • Low Power Consumption (250µA).
  • Low Voltage Operation (2.7V - 3.6V).
  • Package 16pin TSSOP Touch Screen Controller General.