TSC2046 PDF Datasheet


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Description

This is Low Voltage I/O TOUCH SCREEN CONTROLLER. TSC 2046 ® TSC2 046 ® TSC2046 TSC2 046 ® SBAS265C OCTOBER 2002 REVISED JULY 2004 Low Voltage I, O TOUCH SCREEN CONTROLLER FEATURES - SAME PINOUT AS ADS7846 - 2.2V TO 5.25V OPERATION - 1.5V TO 5.25V DIGITAL I, O - INTERNAL 2.5V REFERENCE - - - - DIRECT BATTERY MEASUREMENT (0V to 6V) ON-CHIP TEMPERATURE MEASUREMENT TOUCH-PRESSURE MEASUREMENT DESCRIPTION The TSC2046 is a next-generation version to the ADS7846 4-wire touch screen controller which supports a low-voltage I, O interface from 1.5V to 5.25V. The TSC2046 is 100% pincompatible with the existing ADS7846, and will drop into the same socket. This allows for easy upgrade of current applications to the new version. The TSC2046 also has an onchip 2.5V reference that can be used for the auxiliary input, battery monitor, and temperature measurement modes. The reference can also be powered down when not used to conserve power. The internal reference operates down to 2.7V supply voltage, while monitoring the battery voltage fr.