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參數資料
| 型號： | TSC2302IRGZR |
| 元件分類： | Codec |
| 英文描述： | PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH STEREO AUDIO CODEC |
| 中文描述： | 可編程觸摸屏控制器，立體聲編解碼器 |
| 文件頁數： | 1/81頁 |
| 文件大?。?/td> | 1211K |
| 代理商： | TSC2302IRGZR |
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TSC2302
SLAS394–JULY 2003
PROGRAMMABLE TOUCH SCREEN CONTROLLER
WITH STEREO AUDIO CODEC
FEATURES
SPI Serial Interface
Touch Screen Controller
– 4-Wire Touch Screen Interface
– Internal Detection of Screen Touch
– Touch Pressure Measurement
– Ratiometric Conversion
– Programmable 8-, 10- or 12-Bit Resolution
– Programmable Sampling Rates Up to
125 kHz
– Direct Battery Measurement (0 to 6 V)
– On-Chip Temperature Measurement
– Integrated Touch Screen Processor
Reduces Host CPU Interrupts and Overhead
– Internal Timing Control With Programmable
Delays and Averaging
Stereo Audio Codec
– 20-Bit Delta-Sigma ADC/DAC
– Dynamic Range: 98 dB
– Sampling Rate Up to 48 kHz
– I
2
S Serial Interface
– Stereo 16-
Headphone Driver
Full Power-Down Control
8-Bit Current Output DAC
On-Chip Crystal Oscillator
Programmable Bass/ Midrange/ Treble EQ
Effects Processing
Single 2.7-V to 3.6-V Supply
48-pin QFN Package
APPLICATIONS
Personal Digital Assistants
Cellular Phones
MP3 Players
Internet Appliances
Smartphones
DESCRIPTION
The TSC2302 is a highly integrated PDA analog
interface circuit. It contains a complete 12-bit A/D
resistive touch screen converter (ADC) including
drivers, touch pressure measurement capability, and
8-bit D/A converter (DAC) output for LCD contrast
control. The TSC2302 offers programmable resolution
of 8, 10, and 12 bits and sampling rates up to 125 kHz
to accommodate different screen sizes. The TSC2302
interfaces to the host controller through a standard SPI
serial interface.
The TSC2302 features a high-performance 20-bit,
48-ksps stereo audio codec with highly integrated
analog functionality. The audio portion of the TSC2302
contains microphone input with built-in pre-amp and
microphone bias circuit, an auxiliary stereo analog
input,
a
mono
line-level
headphone amplifier output. The digital audio data is
transferred through a standard I
2
S interface. A fully
programmable PLL for generating audio clocks from a
wide variety of system clocks is also included.
output,
and
a
stereo
The TSC2302 also offers two battery measurement
inputs capable of battery voltages up to 6 V, while
operating at a supply voltage of only 2.7 V. It also has
an on-chip temperature sensor capable of reading
0.3
°
C resolution. The TSC2302 is available in a
48-lead QFN.
US Patent No. 6246394
SPI is a trademark of Motorola.
Pleasebeawarethatanimportantnoticeconcerningavailability, standard warranty, and use in critical applications of Texas Instruments
semiconductorproductsanddisclaimerstheretoappears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
ProductsconformtospecificationsperthetermsofTexasInstruments
standard warranty. Production processing does not necessarily in-
cludetestingofallparameters.
Copyright 2003, Texas Instruments Incorporated
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相關代理商/技術參數 |
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| TSC2302IRGZRG4 | 功能描述:觸摸屏轉換器和控制器 Prog 4-Wire w/20-Bit Stereo Audio Codec RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數據速率: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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