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AK4184A - TSC

Description

The AK4184A is a 12-bit A/D converter witch operates 125kHz (max) sampling rate with a 4-wire resistive touch screen controller (TSC), including low-on resistance switches, touch pressure measurement capability, a maximum 6 x 5 keypad scanner, eight GPIO ports, and a PWM generator for LED contrast c

Features

  • SPI Serial Interface.
  • 12 bit SAR A/D Converter with S/H Circuit.
  • 4-wire Resistive Touch Screen Interface.
  • Sampling Frequency: 125 kHz (max).

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Datasheet preview – AK4184A

Datasheet Details

Part number AK4184A
Manufacturer Asahi Kasei Microsystems
File Size 643.83 KB
Description TSC
Datasheet download datasheet AK4184A Datasheet
Additional preview pages of the AK4184A datasheet.

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Full PDF Text Transcription

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[AK4184A] AK4184A TSC with Keypad Scanner and GPIO Expander GENERAL DESCRIPTION The AK4184A is a 12-bit A/D converter witch operates 125kHz (max) sampling rate with a 4-wire resistive touch screen controller (TSC), including low-on resistance switches, touch pressure measurement capability, a maximum 6 x 5 keypad scanner, eight GPIO ports, and a PWM generator for LED contrast control. The AK4184A operates down to a 2.5V supply voltage, and it tolerates digital I/O interface voltage from 1.6V to AVDD in order to connect to low voltage controllers. The AK4184A supports SPI interface for communication to a host controller. The AK4184A is available in a 41-pin BGA package and it operates over a temperature range of -40°C to +85°C.
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