DESCRIPTION

· The TSC2046 is a next-generation 4-wire touch screen controller, compatible with the ADS7846.

· Supports low-voltage I/O interface from 1.5V to 5.25V.

· Features an on-chip 2.5V reference for auxiliary input, battery monitor, and temperature measurement.

· Operates with a supply voltage as low as 2.7V and monitors battery voltage from 0V to 6V.

· Low power consumption of <0.75mW typical at 2.7V (reference off).

· High-speed operation with up to 125kHz sample rate.

· Available in TSSOP-16, QFN-16, and VFBGA-48 packages.

· Specified over the –40°C to +85°C temperature range.

FEATURES

· Same pinout as ADS7846.

· Operation voltage from 2.2V to 5.25V.

· Digital I/O voltage from 1.5V to 5.25V.

· Internal 2.5V reference.

· Direct battery measurement (0V to 6V).

· On-chip temperature measurement.

· Touch-pressure measurement.

· QSPI and SPI 3-wire interface.

· Auto power-down feature.

APPLICATIONS

· Personal Digital Assistants (PDAs).

· Portable Instruments.

· Point-of-Sale Terminals.

· Pagers.

· Touch Screen Monitors.

· Cellular Phones.