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TSC2000

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

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Data sheet
Errata

TSC2000

ACTIVE
Data sheet Order now

Product details

SAR ADC resolution (bps) 12 SAR sample rate (max) (ksps) 125 Touch panel 4-Wire Control interface SPI Vref (int/ext) Internal Rating Catalog Operating temperature range (°C) -40 to 85 Analog supply (min) (V) 2.7 Analog supply voltage (max) (V) 3.6 I/O supply voltage (min) (V) 2.7 I/O supply voltage (max) (V) 3.6 Input type Single-ended
SAR ADC resolution (bps) 12 SAR sample rate (max) (ksps) 125 Touch panel 4-Wire Control interface SPI Vref (int/ext) Internal Rating Catalog Operating temperature range (°C) -40 to 85 Analog supply (min) (V) 2.7 Analog supply voltage (max) (V) 3.6 I/O supply voltage (min) (V) 2.7 I/O supply voltage (max) (V) 3.6 Input type Single-ended
TSSOP (PW) 20 41.6 mm² 6.5 x 6.4
  • 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.
  • 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.

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.

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.
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Technical documentation

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Type Title Date
* Data sheet TSC2000: PDA Analog Interface Circuit datasheet 30 Jan 2002
* Errata PDA Analog Interface Circuit Silicon Errata 12 Feb 2003
Application note Apply TI TSC for Various and Multiple Functions 11 Dec 2006
Application note Programming Sequences and Tips for TSC2000/2200/230x Applications 08 Mar 2004
Application note Applying the Current DAC on the TSC2000, TSC2200, TSC2300, and TSC2301 Touch Scr 13 Jun 2003

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