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TSC2008IYZGT 数据表(PDF) 1 Page - Texas Instruments

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部件名 TSC2008IYZGT
功能描述  1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire Micro TOUCH SCREEN CONTROLLER with SPI?
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

TSC2008IYZGT 数据表(HTML) 1 Page - Texas Instruments

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®
TSC2007
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
Drivers
Interface
SCLK
SDO
TSC2008
www.ti.com ...................................................................................................................................................................................................... SBAS406 – JUNE 2008
1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire
Micro TOUCH SCREEN CONTROLLER with SPI™
• Cellular Phones
23
• 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:
• Multiscreen Touch Control
Up to 20kHz (8 Bit) or 10kHz (12 Bit)
• Preprocessing to Reduce Bus Activity
• SPI Interface
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 Pullup
In addition to these standard features, the TSC2008
• Auto Power-Down Control
offers
preprocessing
of
the
touch
screen
• Low Power:
measurements to reduce bus loading, thus reducing
32.4
µA at 1.2V, Fast Mode, 8.2kHz Eq Rate
the consumption of host processor resources that can
then be redirected to more critical functions.
43.8
µA at 1.8V, Fast Mode, 8.2kHz Eq Rate
58.4
µA at 2.7V, Fast Mode, 8.2kHz Eq Rate
The TSC2008 supports an SPI serial bus and data
transmission protocol in all three defined modes:
• Software Reset
standard,
fast,
and
high-speed.
It
offers
• Enhanced ESD Protection:
programmable
resolution
of
8
or
12
bits
to
±8kV HBM
accommodate different screen sizes and performance
needs.
±1kV CDM
Target ±25kV Air Gap Discharge
The
TSC2008
is
available
in
a
12-lead,
(1,555 ±0,055mm) x (2,055 ±0,055mm) 3 x 4 array,
Target ±15kV Contact Discharge
wafer chip-scale package (WCSP), and a 16-pin,
• 1.5 x 2 WCSP-12 and 4 x 4 QFN-16 Packages
4 x 4 QFN package. The TSC2008 is characterized
U.S. Patent No. 6246394; other patents pending.
for the –40°C to +85°C industrial temperature range.
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
SPI is a trademark of Motorola Inc.
3
All other trademarks are the property of their respective owners.
PRODUCT PREVIEW information concerns products in the
Copyright © 2008, Texas Instruments Incorporated
formative or design phase of development. Characteristic data and
other specifications are design goals. Texas Instruments reserves
the right to change or discontinue these products without notice.


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