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TSC2008IRGVT Datasheet(PDF) 1 Page - Texas Instruments

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Part # TSC2008IRGVT
Description  1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire Micro TOUCH SCREEN CONTROLLER with SPI?
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TSC2008IRGVT Datasheet(HTML) 1 Page - Texas Instruments

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TSC2008
1
FEATURES
APPLICATIONS
DESCRIPTION
PENIRQ
SPI
Serial
Interface
and
Control
CS
SDI
X+
X-
Y+
Y-
AUX
TEMP
Mux
VDD/REF
GND
SAR
ADC
Internal
Clock
Touch
Screen
Sensor
Drivers
SCLK
SDO
TSC2008
www.ti.com .................................................................................................................................................. SBAS406A – JUNE 2008 – REVISED DECEMBER 2008
1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire
Micro TOUCH SCREEN CONTROLLER with SPI™
• Cellular Phones
234
• 4-Wire Touch Screen Interface
• PDA, GPS, and Media Players
• Single 1.2V to 3.6V Supply/Reference
• Portable Instruments
• Ratiometric Conversion
• Point-of-Sale Terminals
• Effective Throughput Rate:
• Multi-Screen Touch Control Systems
Up to 20kHz (8-Bit) or 10kHz (12-Bit)
• Preprocessing to Reduce Bus Activity
• High-Speed SPI (up to 25MHz)
The TSC2008 is a very low-power touch screen
• Simple Command-Based User Interface:
controller designed to work with power-sensitive,
TSC2046 Compatible
handheld applications that are based on advanced
low-voltage processors. It works with a supply voltage
8- or 12-Bit Resolution
as low as 1.2V, which can be supplied by a
• On-Chip Temperature Measurement
single-cell battery. It contains a complete, ultra-low
• Touch Pressure Measurement
power, 12-bit, analog-to-digital (A/D) resistive touch
screen converter, including drivers and the control
• Digital Buffered PENIRQ
logic to measure touch pressure.
• On-Chip, Programmable PENIRQ Pull-up
In addition to these standard features, the TSC2008
• Auto Power-Down Control
offers
preprocessing
of
the
touch
screen
• Low Power (12-Bit, 8.2kHz Eq Rate):
measurements to reduce bus loading, thus reducing
30.4
µA at 1.2V, f
SCLK = 5MHz
the consumption of host processor resources that can
then be redirected to more critical functions.
35.5
µA at 1.8V, f
SCLK = 10MHz
44.6
µA at 2.7V, f
SCLK = 10MHz
The TSC2008 supports an SPI serial bus and data
transmission. It offers programmable resolution of 8
• Power-On, Software, and SureSet™ Resets
or 12 bits to accommodate different screen sizes and
• Enhanced ESD Protection:
performance needs.
±8kV HBM
The
TSC2008
is
available
in
a
12-lead,
±1kV CDM
(1,555 ±0,055mm) x (2,055 ±0,055mm) 3 x 4 array,
±25kV Air Gap Discharge
wafer chip-scale package (WCSP), and a 16-pin,
4 x 4 QFN(1) package. The TSC2008 is characterized
±15kV Contact Discharge
for the –40°C to +85°C industrial temperature range.
• 1.5 x 2 WCSP-12 and 4 x 4 QFN-16(1) Packages
(1)
RGV (QFN) package available Q1, 2009.
U.S. Patent No. 6246394; other patents pending.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
SureSet is a trademark of Texas Instruments.
3
SPI is a trademark of Motorola Inc.
4
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2008, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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