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TSC2200IPWG4 Folha de dados(PDF) 1 Page - Texas Instruments |
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TSC2200IPWG4 Folha de dados(HTML) 1 Page - Texas Instruments |
1 / 45 page www.ti.com PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright © 2001-2004, Texas Instruments Incorporated Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. FEATURES q 4-WIRE TOUCH SCREEN INTERFACE AND 4-BY-4 KEYPAD INTERFACE q RATIOMETRIC CONVERSION q SINGLE 2.7V TO 3.6V SUPPLY q SERIAL INTERFACE q INTERNAL DETECTION OF SCREEN TOUCH AND KEYPAD q PROGRAMMABLE 8-, 10-, OR 12-BIT RESOLUTION q PROGRAMMABLE SAMPLING RATES q DIRECT BATTERY MEASUREMENT (0.5V to 6V) q ON-CHIP TEMPERATURE MEASUREMENT q TOUCH-PRESSURE MEASUREMENT q FULL POWER-DOWN CONTROL q TSSOP-28 AND QFN-32 PACKAGES APPLICATIONS q PERSONAL DIGITAL ASSISTANTS q CELLULAR PHONES q MP3 PLAYERS PDA ANALOG INTERFACE CIRCUIT DESCRIPTION The TSC2200 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 mea- sure touch pressure, keyboard controller, and an 8-bit Digital- to-Analog (D/A) converter output for LCD contrast control. The TSC2200 interfaces to the host controller through a standard SPI™ serial interface. The TSC2200 offers program- mable resolution and sampling rates from 8- to 12-bits and up to 125kHz to accommodate different screen sizes. The TSC2200 also offers two battery-measurement inputs 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 TSC2200 is available in a TSSOP-28 and a QFN-32 package. TSC2200 SBAS191F – FEBRUARY 2001 – REVISED APRIL 2004 SPI is a registered trademark of Motorola. US Patent No. 624639. A/D Converter Internal 2.5V Reference MUX Serial Interface and Control Logic D/A Converter MISO SS SCLK MOSI DAV PENIRQ KBIRQ Touch Panel Drivers Temp Sensor Battery Monitor Battery Monitor X+ X– Y+ Y– V BAT1 V BAT2 Clock AUX1 AUX2 V REF ARNG A OUT Keyboard Scanner and State Control C1 C2 C3 C4 R1 R2 R3 R4 TSC2200 TSC2200 |
Nº de peça semelhante - TSC2200IPWG4 |
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Descrição semelhante - TSC2200IPWG4 |
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