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TSC2004IRTJR-TSC2004IRTJRG4-TSC2004IRTJT-TSC2004IYZKR
Nano-Power Touch Screen Controller with I2C Serial Interface
TSC2004®
1FEATURES APPLICATIONS
DESCRIPTION
TSC2004SBAS408E–JUNE 2007–REVISED MARCH 2008
1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire
TOUCH SCREEN CONTROLLER withI2 C™ Interface Cellular Phones
23• 4-Wire Touch Screen Interface Portable Instruments•
Ratiometric Conversion MP3 Players, Pagers•
Single 1.2Vto 3.6V Supply •
Multiscreen Touch Control•
Preprocessingto Reduce Bus Activity High-SpeedI2 C-Compatible Interface Internal Detectionof Screen Touch The TSC2004isa very low-power touch screen•
Register-Based Programmable: controller designed to work with power-sensitive,
10-Bitor 12-Bit Resolution handheld applications that are based on advanced
low-voltage processors.It works witha supply voltage
– Sampling Rates as low as 1.2V, which can be supplied bya
– System Timing single-cell battery. It contains a complete,•
On-Chip Temperature Measurement ultralow-power, 12-bit, analog-to-digital (A/D) resistive
touch screen converter, including drivers and the•
Touch Pressure Measurementcontrol logicto measure touch pressure.•
Auto Power-Down Control additionto these standard features, the TSC2004•
Low Power: offers preprocessing of the touch screen
– 760μWat 1.8V, 50SSPS measurementsto reduce bus loading, thus reducing
– 580μWat 1.6V, 50SSPS the consumptionof host processor resources that can
thenbe redirectedto more critical functions.
– 285μWat 1.2V, 50SSPS 74μWat 1.6V, 8.2kSPS Eq. Rate The TSC2004 supports anI2C serial bus and data
transmission protocol in all three defined modes:
– 47μWat 1.2V, 8.2kSPS Eq. Rate fast, and high-speed. It offers•
Enhanced ESD Protection: resolution of 10 or 12 bits to
Pleasebe aware thatan important notice concerning availability, standard warranty, and usein critical applicationsof
