TSC2200 - 具有 12 位 125KHz ADC 和小键盘接口的可编程 4 线触摸屏控制器

TSC2200是TI德州仪器公司的一款无产品，TSC2200是具有 12 位 125KHz ADC 和小键盘接口的可编程 4 线触摸屏控制器，本站介绍了TSC2200的封装应用图解、特点和优点、功能等，并给出了与TSC2200相关的TI元器件型号供参考。

TSC2200 - 具有 12 位 125KHz ADC 和小键盘接口的可编程 4 线触摸屏控制器 - 无 - 触摸屏控制器 - 德州仪器

产品描述

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 measure 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 programmable 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.

产品特性

4-WIRE TOUCH SCREEN INTERFACE AND 4-BY-4 KEYPAD INTERFACE
RATIOMETRIC CONVERSION
SINGLE 2.7V TO 3.6V SUPPLY
SERIAL INTERFACE
INTERNAL DETECTION OF SCREEN TOUCH AND KEYPAD
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-28 PACKAGE AND QFN-32 PACKAGES
APPLICATIONS
- PERSONAL DIGITAL ASSISTANTS
- CELLULAR PHONES
- MP3 PLAYERS

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

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