TSC2102

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4-Wire Touch Screen Controller with Stereo DAC with HP Amplifier

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Product details

Parameters

Number of ADC channels 8 Digital audio interface I2S, R, L, DSP Analog inputs 1 Sampling rate (Max) (kHz) 125 Rating Catalog ADC SNR (Typ) (dB) 97 DAC SNR (Typ) (dB) 97 open-in-new Find other Audio CODECs

Package | Pins | Size

TSSOP (DA) 32 89 mm² 11 x 8.1 open-in-new Find other Audio CODECs

Features

  • 4-Wire Touch Screen Interface
  • Integrated Touch Screen Processor With Fully Automated Modes of Operation
  • Programmable Converter Resolution, Speed, and Averaging
  • Programmable Autonomous Timing Control
  • Direct Battery Measurement
  • On-Chip Temperature Measurement
  • Stereo Audio Playback Up to 48 ksps
  • 97-dB Stereo Audio Playback
  • Integrated PLL for Audio Clock Generation
  • Programmable Digital Audio Effects Processing
  • Stereo Headphone Amplifier
  • SPI™ Serial Interface
  • Glueless Interface With OMAP™ and Xscale™ Processors
  • Full Power-Down Control
  • Low Power: 11-mW Stereo Audio Playback
  • 32-Pin TSSOP Package
  • APPLICATIONS
    • Personal Digital Assistants
    • Smart Cellular Phones
    • MP3 Players


US Patent No. 624639
SPI is a trademark of Motorola.
OMAP is a trademark of Texas Instruments.
Xscale is a trademark of Intel.

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Description

The TSC2102 is a highly integrated combination resistive touch screen controller with on-chip processor and audio DAC. The touch screen portion of the TSC2102 contains a 12-bit 4-wire resistive touch screen converter complete with drivers, and interfaces to the host controller through a standard SPI™ serial interface. The on-chip processor provides extensive features specifically designed to reduce host processor and bus overhead, with capabilities that include fully automated operating modes, programmable conversion resolution up to 12 bits, programmable sampling rates up to 125 kHz, programmable conversion averaging, and programmable on-chip timing generation.

The TSC2102 also features a high-performance audio DAC with 16, 20, 24, or 32-bit stereo playback functionality at up to 48 ksps. The stereo output drivers on the TSC2102 can be programmed for headphone drive or line-level drive, and support capless as well as ac-coupled output configurations. The digital audio data format is programmable to work with popular audio standard protocols (I2S, DSP, left/right justified) in master or slave mode, and also includes an on-chip PLL for flexible clock generation capability.

The TSC2102 offers two battery measurement inputs capable of reading battery voltages up to 6 V, while operating at only 2.7 V. It also has an on-chip temperature sensor capable of reading 0.3°C resolution. The TSC2102 is available in a 32-lead TSSOP.

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Technical documentation

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Type Title Date
* Data sheet Programmable Touch Screen Controller w/Integrat Stereo Audio DAC & Headphone Amp datasheet (Rev. A) Jun. 17, 2004
Application note Using the PGA Function in TSC210x/AIC26/AIC28/DAC26 Devices Jun. 03, 2005
Application note Programming Audio Power Up/Down on TSC210x & TLV320AIC26/28 (Rev. A) May 05, 2005
Application note How to Set the TSC/AIC EVM to Record & Playback Audio or Other Sound Through PC Dec. 14, 2004
Application note Interface TSC Through McBSP Oct. 28, 2004
Application note Programming Sequences and Tips for TSC2000/2200/230x Applications Mar. 08, 2004
Application note TSC2100 WinCE Generic Drivers Mar. 08, 2004

Design & development

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Design tools & simulation

SIMULATION MODEL Download
SLAM109.ZIP (28 KB) - IBIS Model
SIMULATION TOOL Download
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
CALCULATION TOOL Download
Coefficient Calculator For Digital Biquad Filters
COEFFICIENT-CALC COEFFICIENT-CALC (TIBQ) calculates the coefficients for the digital filter biquad transfer function implemented in TI audio codecs. The characteristics of the digital filter are adjusted by selecting a filter type and moving a control point within a window that shows the transfer function gain and (...)

CAD/CAE symbols

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TSSOP (DA) 32 View options

Ordering & quality

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  • MSL rating/Peak reflow
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