TSC2000 - 4-wire Programmable Touch Screen Controller With 8/10/12-Bit 125-Khz ADC and SPI Interface

The TSC2000 is a complete PDA analog interface circuit. It contains a complete 12-bit, Analog-to-Digital (A/D) resistive touch screen converter including drivers, the control to measure touch pressure, and an 8-bit Digital-to-Analog (D/A) converter output for LCD contrast control. The TSC2000 interfaces to the host controller through a standard SPI™ serial interface. The TSC2000 offers programmable resolution and sampling rates from 8- to 12-bits and up to 125kHz to accommodate different screen sizes.

The TSC2000 also offers two battery-measurement inputs, one of which is capable of reading battery voltages up to 6V while operating at only 2.7V. It also has an on-chip temperature sensor capable of reading 0.3°C resolution. The TSC2000 is available in a TSSOP-20 package.

Products containing the "TSC2000" keyword are: TSC2000 , TSC20001 , TSC2000I , TSC2000IPW , TSC2000IPW , TSC2000IPWG4 , TSC2000IPWG4 , TSC2000IPWR , TSC2000IPWR , TSC2000IPWRG4 , TSC2000K , TSC2000K02 , TSC2000K2 , TSC2000KO2

• 4-WIRE TOUCH SCREEN INTERFACE
• RATIOMETRIC CONVERSION
• SINGLE 2.7V TO 3.6V SUPPLY
• SERIAL INTERFACE
• INTERNAL DETECTION OF SCREEN TOUCH
• PROGRAMMABLE 8-,10-,OR 12-BIT RESOLUTION
• PROGRAMMABLE SAMPLING RATES
• DIRECT BATTERY MEASUREMENT (0.5V to 6V)
• ON-CHIP TEMPERATURE MEASUREMENT
• TOUCH-PRESSURE MEASUREMENT
• FULL POWER-DOWN CONTROL
• TSSOP-20 PACKAGE
• APPLICATIONS
  • PERSONAL DIGITAL ASSISTANTS
  • CELLULAR PHONES
  • MP3 PLAYERS

SPI is a registered trademark of Motorola.
US Patent No. 624639.