ADS7843_Burr-BrownCorporation.pdf
Datasheet Details
Part number:
ADS7843, ADS7843_Burr
Manufacturer:
Burr-Brown Corporation
File Size:
0.98 MB
Description:
Touch screen controller.
Note:
This datasheet PDF includes multiple part numbers: ADS7843, ADS7843_Burr.
Please refer to the document for exact specifications by model.
ADS7843, ADS7843_Burr, TOUCH SCREEN CONTROLLER
The ADS7843 is a 12-bit sampling Analog-to-Digital Converter (ADC) with a synchronous serial interface and low onresistance switches for driving touch screens.
Typical power dissipation is 750µW at a 125kHz throughput rate and a +2.7V supply.
The reference voltage (VREF) can be varied between 1V and
ADS7843 Features
* q 4-WIRE TOUCH SCREEN INTERFACE q RATIOMETRIC CONVERSION q SINGLE SUPPLY: 2.7V to 5V q UP TO 125kHz CONVERSION RATE q SERIAL INTERFACE q PROGRAMMABLE 8- OR 12-BIT RESOLUTION q 2 AUXILIARY ANALOG INPUTS q FULL POWER-DOWN CONTROL APPLICATIONS q PERSONAL DIGITAL ASSISTANTS q PORTABLE INSTRUMENTS q POIN
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