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TSC2301PAG Datasheet

  • TSC2301PAG

  • PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH STEREO AUDIO CODEC

  • 92頁(yè)

  • TI

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Burr Brown Products
from Texas Instruments
TSC2301
SLAS371D 鈥?SEPTEMBER 2002 鈥?REVISED AUGUST 2004
PROGRAMMABLE TOUCH SCREEN CONTROLLER
WITH STEREO AUDIO CODEC
FEATURES
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SPI鈩?Serial Interface
Touch Screen Controller
鈥?4-Wire Touch Screen Interface
鈥?Internal Detection of Screen Touch and
Keypad Press
鈥?Touch Pressure Measurement
鈥?Ratiometric Conversion
鈥?Programmable 8-, 10- or 12-Bit Resolution
鈥?Programmable Sampling Rates Up to 125
kHz
鈥?Direct Battery Measurement (0 to 6 V)
鈥?On-Chip Temperature Measurement
鈥?4-by-4 Keypad Interface With
Programmable De-Bounce and Key
Masking
鈥?Integrated Touch Screen Processor
Reduces Host CPU Interrupts and Overhead
鈥?Internal Timing Control With Programmable
Delays and Averaging
Stereo Audio Codec
鈥?20-Bit Delta-Sigma ADC/DAC
鈥?Dynamic Range: 98 dB
鈥?Sampling Rate Up to 48 kHz
鈥?I
2
S Serial Interface
鈥?Stereo 16-鈩?Headphone Driver
Full Power-Down Control
8-Bit Current Output DAC
On-Chip Crystal Oscillator
Programmable Bass/ Midrange/ Treble EQ
Effects Processing
6 GPIO Pins
Single 2.7-V to 3.6-V Supply
64-Pin TQFP Package
120-Ball MicroStar Junior鈩?BGA Package
APPLICATIONS
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Personal Digital Assistants
Cellular Phones
MP3 Players
Internet Appliances
Smartphones
DESCRIPTION
The TSC2301 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,
keypad controller, and 8-bit D/A converter (DAC)
output for LCD contrast control. The TSC2301 offers
programmable resolution of 8, 10, and 12 bits and
sampling rates up to 125 kHz to accommodate
different screen sizes. The TSC2301 interfaces to the
host controller through a standard SPI serial
interface.
The TSC2301 features a high-performance 20-bit,
48-ksps stereo audio codec with highly integrated
analog functionality. The audio portion of the
TSC2301 contains microphone input with built-in
pre-amp and microphone bias circuit, an auxiliary
stereo analog input, a stereo line-level output, a
differential mono line-level output, and a stereo
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.
The TSC2301 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擄C resolution. The TSC2301 is available in 64-lead
TQFP, and 120-ball VFBGA packages.
US Patent No. 6246394
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FUNCTIONAL BLOCK DIAGRAM
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.
MicroStar Junior is a trademark of Texas Instruments.
SPI is a trademark of Motorola.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 漏 2002鈥?004, Texas Instruments Incorporated

TSC2301PAG相關(guān)型號(hào)PDF文件下載

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  • 英文版
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    DC/DC Converter
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