TSC2003 Texas instruments

TSC2003

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TSC2003

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Описание

The TSC2003 is a 4-wire resistive touch screen controller. It also features direct measurement of two batteries, two auxiliary analog inputs, temperature measurement, and touchpressure measurement. The TSC2003 has an on-chip 2.5V reference that can be utilized for the auxiliary inputs, battery monitors, and temperature- measurement modes. The reference can also be powered down when not used to conserve power. The internal reference will operate down to 2.7V supply voltage while monitoring the battery voltage from 0.5V to 6V. The TSC2003 is available in the small TSSOP-16 and VFBGA-48 packages and is specified over the 40°C to +85°C temperature range.

2.5V TO 5.25V OPERATION
INTERNAL 2.5V REFERENCE
DIRECT BATTERY MEASUREMENT (0.5V TO 6V)
ON-CHIP TEMPERATURE MEASUREMENT
TOUCH-PRESSURE MEASUREMENT
I²C INTERFACE SUPPORTS:
Standard, Fast, and High-Speed Modes
AUTO POWER DOWN
TSSOP-16 AND VFBGA-48 PACKAGES
APPLICATIONS
- PERSONAL DIGITAL ASSISTANTS
- PORTABLE INSTRUMENTS
- POINT-OF-SALES TERMINALS
- PAGERS
- TOUCH SCREEN MONITORS
- CELLULAR PHONES

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SAR ADC resolution (Bits)	12
SAR sample rate (max) (ksps)	125
Touch panel	4-Wire
Control interface	I2C
Vref (int/ext)	Internal
Rating	Catalog
Operating temperature range (°C)	-40 to 85
Analog supply (min) (V)	2.7
Analog supply (max) (V)	5.25
Input type	Single-ended