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AR7643 - 12-bit Touch Panel Controller

General Description

The AR7646 Touch Screen Controller IC is an advanced version of the AR7643.

The AR7646 is a 12-bit SAR analog-to-digital converter (ADC) with SPI serial interface and low on-resistance drivers for 4-wire resistive touch panels.

Key Features

  • Pin compatible to AR7643 Serial interface 4-wire touch screen interface Embedded touch panel drivers Internal 2.5 V reference Direct battery measurement ( 0 V to 6 V) Touch-pressure measurement One auxiliary analog input On-chip temperature sensor 2.2 V to 5.5 V supply voltage 12-bit analog to digital converter Programmable 8 or 12 bit resolution Up to 125 KHz conversion rate Full power down control SSOP-16 package.

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Datasheet Details

Part number AR7643
Manufacturer HiMARK
File Size 799.39 KB
Description 12-bit Touch Panel Controller
Datasheet download datasheet AR7643 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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The wireless communication solution provider 12-bit Touch Panel Controller IC whit Temperature Sensor AR7643 FEATURES Pin compatible to AR7643 Serial interface 4-wire touch screen interface Embedded touch panel drivers Internal 2.5 V reference Direct battery measurement ( 0 V to 6 V) Touch-pressure measurement One auxiliary analog input On-chip temperature sensor 2.2 V to 5.5 V supply voltage 12-bit analog to digital converter Programmable 8 or 12 bit resolution Up to 125 KHz conversion rate Full power down control SSOP-16 package APPLICATIONS Ć Touch screen monitors Ć PDAs Ć Point-of-sales terminals Ć Pagers Ć High speed data acquisition Ć Portable instruments Ć Low power instruments DESCRIPTION The AR7646 Touch Screen Controller IC is an advanced version of the AR7643.