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AK4182 - Touch Screen Controller

Description

The AK4182 is a 4-wire resistive touch screen controller that incorporates a 12-bit 125 kHz sampling SAR type A/D converter.

The AK4182 operates down to 2.2V supply voltage and supports digital I/O interface voltage from 1.5V to VCC in order to connect low voltage uP.

Features

  • 12 bit SAR type A/D Converter with S/H circuit.
  • Low Voltage Operation (VCC = 2.2V ∼ 3.6V).
  • Low Voltage Digital I/F (1.5V ∼ VCC).
  • 4-wire I/F.
  • Sampling Frequency: 125 kHz (max).
  • On-Chip Voltage Reference (2.5V).
  • Pen Pressure Measurement.
  • On-Chip Thermo Sensor.
  • Direct Battery Measurement.
  • Low Power Consumption (260µA).
  • Package 16pin QFN Touch Screen Controller General.

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Datasheet preview – AK4182

Datasheet Details

Part number AK4182
Manufacturer Asahi Kasei Microsystems
File Size 356.89 KB
Description Touch Screen Controller
Datasheet download datasheet AK4182 Datasheet
Additional preview pages of the AK4182 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com ASAHI KASEI [AK4182] AK4182 Features: „ 12 bit SAR type A/D Converter with S/H circuit „ Low Voltage Operation (VCC = 2.2V ∼ 3.6V) „ Low Voltage Digital I/F (1.5V ∼ VCC) „ 4-wire I/F „ Sampling Frequency: 125 kHz (max) „ On-Chip Voltage Reference (2.5V) „ Pen Pressure Measurement „ On-Chip Thermo Sensor „ Direct Battery Measurement „ Low Power Consumption (260µA) „ Package 16pin QFN Touch Screen Controller General Description: The AK4182 is a 4-wire resistive touch screen controller that incorporates a 12-bit 125 kHz sampling SAR type A/D converter. The AK4182 operates down to 2.2V supply voltage and supports digital I/O interface voltage from 1.5V to VCC in order to connect low voltage uP.
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