參數(shù)資料
型號： TSC2200IPWR
英文描述： PDA ANALOG INTERFACE CIRCUIT
中文描述： 掌上電腦模擬接口電路
文件頁數(shù)： 1/40頁
文件大小： 645K
代理商： TSC2200IPWR
www.ti.com
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 2001-2004, Texas Instruments Incorporated
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.
FEATURES
G
4-WIRE TOUCH SCREEN INTERFACE AND
4-BY-4 KEYPAD INTERFACE
G
RATIOMETRIC CONVERSION
G
SINGLE 2.7V TO 3.6V SUPPLY
G
SERIAL INTERFACE
G
INTERNAL DETECTION OF SCREEN TOUCH
AND KEYPAD
G
PROGRAMMABLE 8-, 10-, OR 12-BIT
RESOLUTION
G
PROGRAMMABLE SAMPLING RATES
G
DIRECT BATTERY MEASUREMENT (0.5V to 6V)
G
ON-CHIP TEMPERATURE MEASUREMENT
G
TOUCH-PRESSURE MEASUREMENT
G
FULL POWER-DOWN CONTROL
G
TSSOP-28 AND QFN-32 PACKAGES
APPLICATIONS
G
PERSONAL DIGITAL ASSISTANTS
G
CELLULAR PHONES
G
MP3 PLAYERS
PDA ANALOG INTERFACE CIRCUIT
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 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
°
C resolution. The TSC2200 is available
in a TSSOP-28 and a QFN-32 package.
TSC2200
SBAS191F – FEBRUARY 2001 – REVISED APRIL 2004
SPI is a registered trademark of Motorola.
US Patent No. 624639.
A/D Converter
Internal 2.5V
Reference
MUX
Serial
Interface
and
Control
Logic
D/A Converter
MISO
SS
SCLK
MOSI
DAV
PENIRQ
KBIRQ
Touch Panel
Drivers
Temp Sensor
Battery Monitor
Battery Monitor
X+
X
–
Y+
Y
–
V
BAT1
V
BAT2
Clock
AUX1
AUX2
V
REF
ARNG
A
OUT
Keyboard Scanner
and State Control
C1
C2 C3 C4 R1 R2 R3 R4
TSC2200
TSC2200
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TSC2200IPWRG4 功能描述:觸摸屏轉(zhuǎn)換器和控制器 Prog 4-Wire w/12-Bit 125KHz ADC & Key Ifc RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20
TSC2200IRHB 功能描述:觸摸屏轉(zhuǎn)換器和控制器 Prog 4-Wire w/12-Bit 125KHz ADC & Key Ifc RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20
TSC2200IRHBG4 功能描述:觸摸屏轉(zhuǎn)換器和控制器 Prog 4-Wire w/12-Bit 125KHz ADC & Key Ifc RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20
TSC2200IRHBR 功能描述:觸摸屏轉(zhuǎn)換器和控制器 Prog 4-Wire w/12-Bit 125KHz ADC & Key Ifc RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20
TSC2200IRHBRG4 功能描述:觸摸屏轉(zhuǎn)換器和控制器 Prog 4-Wire w/12-Bit 125KHz ADC & Key Ifc RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20
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