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BU21025GUL - 4-wire Resistive Touch Screen Controller

Description

BU21025GUL is a low power 4-wire resistive touch screen controller.

BU21025GUL measures coordinates and touch pressures with a 12bit A/D converter.

BU21025GUL has a digital filter for noise reduction.

Features

  • 4-wire resistive touch screen controller.
  • Single 1.65V to 3.60V supply.
  • Low standby current ( 0.8uA max).
  • 12bit SAR A/D converter.
  • 2-wire serial interface.
  • Command base interface.
  • Digital filter.
  • Touch pressure measurement.
  • Auto power down control.
  • Built-in clock oscillation circuit.
  • Key Specifications.
  • Power supply voltage.
  • Temperature range.
  • Standby current.
  • Operating current.
  • Coordinate resolution 1.65V to 3.6.

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Datasheet preview – BU21025GUL

Datasheet Details

Part number BU21025GUL
Manufacturer ROHM
File Size 612.51 KB
Description 4-wire Resistive Touch Screen Controller
Datasheet download datasheet BU21025GUL Datasheet
Additional preview pages of the BU21025GUL datasheet.

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Full PDF Text Transcription

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Datasheet 4-wire Resistive Touch Screen Controller BU21025GUL ●General Description BU21025GUL is a low power 4-wire resistive touch screen controller. BU21025GUL measures coordinates and touch pressures with a 12bit A/D converter. BU21025GUL has a digital filter for noise reduction. ●Features ■ 4-wire resistive touch screen controller ■ Single 1.65V to 3.60V supply. ■ Low standby current ( 0.8uA max) ■ 12bit SAR A/D converter ■ 2-wire serial interface ■ Command base interface ■ Digital filter ■ Touch pressure measurement ■ Auto power down control ■ Built-in clock oscillation circuit ●Key Specifications ■ Power supply voltage ■ Temperature range ■ Standby current ■ Operating current ■ Coordinate resolution 1.65V to 3.60V -30℃ to 85℃ 0.8uA (Max.) 120uA (Typ.
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