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TSC2200IRHBR Datasheet

  • TSC2200IRHBR

  • PDA ANALOG INTERFACE CIRCUIT

  • 641.33KB

  • 40頁

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TSC2200
TSC220
0
TSC22
00
SBAS191F 鈥?FEBRUARY 2001 鈥?REVISED APRIL 2004
PDA ANALOG INTERFACE CIRCUIT
FEATURES
q
4-WIRE TOUCH SCREEN INTERFACE AND
4-BY-4 KEYPAD INTERFACE
q
RATIOMETRIC CONVERSION
q
SINGLE 2.7V TO 3.6V SUPPLY
q
SERIAL INTERFACE
q
INTERNAL DETECTION OF SCREEN TOUCH
AND KEYPAD
q
PROGRAMMABLE 8-, 10-, OR 12-BIT
RESOLUTION
q
PROGRAMMABLE SAMPLING RATES
q
DIRECT BATTERY MEASUREMENT (0.5V to 6V)
q
q
q
q
ON-CHIP TEMPERATURE MEASUREMENT
TOUCH-PRESSURE MEASUREMENT
FULL POWER-DOWN CONTROL
TSSOP-28 AND QFN-32 PACKAGES
APPLICATIONS
q
PERSONAL DIGITAL ASSISTANTS
q
CELLULAR PHONES
q
MP3 PLAYERS
DESCRIPTION
The TSC2200 is a complete PDA analog interface circuit. It
contains a complete 12-bit, Analog-to-Digital (A/D) resistive
touch screen converter including drivers, the control to mea-
sure touch pressure, keyboard controller, and an 8-bit Digital-
to-Analog (D/A) converter output for LCD contrast control.
The TSC2200 interfaces to the host controller through a
standard SPI鈩?serial interface. The TSC2200 offers program-
mable resolution and sampling rates from 8- to 12-bits and up
to 125kHz to accommodate different screen sizes.
The TSC2200 also offers two battery-measurement inputs
capable of reading battery voltages up to 6V, while operating
at only 2.7V. It also has an on-chip temperature sensor
capable of reading 0.3擄C resolution. The TSC2200 is available
in a TSSOP-28 and a QFN-32 package.
SPI is a registered trademark of Motorola.
US Patent No. 624639.
C1 C2 C3 C4 R1 R2 R3 R4
Keyboard Scanner
and State Control
MISO
SS
X+
X鈥?/div>
Y+
Y鈥?/div>
SCLK
Touch Panel
Drivers
Clock
Serial
Interface
and
Control
Logic
MOSI
Temp Sensor
A/D Converter
V
BAT1
Battery Monitor
MUX
DAV
PENIRQ
KBIRQ
V
BAT2
AUX1
AUX2
V
REF
ARNG
A
OUT
Battery Monitor
Internal 2.5V
Reference
D/A Converter
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.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright 漏 2001-2004, Texas Instruments Incorporated
www.ti.com

TSC2200IRHBR 產(chǎn)品屬性

  • Data Converter Basics

  • 1

  • 集成電路 (IC)

  • 數(shù)據(jù)采集 - 觸摸屏控制器

  • -

  • 電阻式，驅(qū)動(dòng)器

  • 4 線

  • 1，4 x 4 小鍵盤

  • 12 b

  • 可供

  • 串行，SPI?

  • 125k

  • 外部，內(nèi)部

  • 2.7 V ~ 3.6 V

  • 1.25mA

  • -40°C ~ 85°C

  • 表面貼裝

  • 32-VFQFN 裸露焊盤

  • 32-QFN 裸露焊盤（5x5）

  • Digi-Reel®

  • 296-13596-ND - EVAL MOD FOR TSC2200

  • 296-16694-6

TSC2200IRHBR相關(guān)型號PDF文件下載

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