4-Wire Touch Screen Controller, St. DAC / Mono ADC with HP/Speaker Amplifier


Product details


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Package | Pins | Size

VQFN (RGZ) 48 49 mm² 7.0 x 7.0 open-in-new Find other Audio CODECs


  • Stereo Audio Playback Up to 48 ksps
  • Mono Audio Record up to 48 ksps
  • Integrated PLL for Audio Clock Generation
  • Programmable Gain Amplifiers
  • Hardware Automatic Gain Control
  • Programmable Digital Audio Effects Processing
  • Stereo Headset Interface
  • Cellular Headset Interface
  • 8- Speaker Driver
  • 32- Receiver Driver
  • Interface with Microphone
  • Auto-Detection of Headset and Button Press
  • Supports Both Cap and Cap-Less Interface for Headset
  • Programmable Audio Routing
  • 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
  • Built-In Buffer for Touch Screen Data
  • SPI™ Serial Interface
  • Low Power
  • Full Power-Down Control
  • 48-Pin QFN Package
    • Personal Digital Assistants
    • Smart Cellular Phones
    • MP3 Players

SPI is a trademark of Motorola.
US Patent No. 6246394

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The TSC2101 is a low-power highly integrated high performance codec and touch screen controller, which supports stereo audio DAC, monaural voice ADC and SAR ADC.

The TSC2101 features a high-performance audio codec with 16, 20, 24, or 32-bit stereo playback, mono record functionality at up to 48 ksps. The device integrates several analog features such as support for headset interface, cellular headset interface, microphone interface, and speaker and receiver drivers. The device supports auto detection of headset and button press without any glue logic. The TCS2101 has fully programmable audio. 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 TSC2101 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 TSC2101 offers battery measurement inputs capable of reading battery voltages up to 6 V, while operating at only 3 V. It also has an on-chip temperature sensor capable of reading 0.3°C resolution. The TSC2101 is available in a 48-lead QFN.

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Similar but not functionally equivalent to the compared device:
TLV320AIC3101 ACTIVE Low-Power Stereo Codec with 6 Inputs, 6 Outputs, Speaker/HP Amp and Enhanced Digital Effects No TSC function, 102/92dB SNR Stereo DAC/ADC with integrated PLL and 6 SE/Differential I/Os
TLV320AIC3120 ACTIVE Low-Power Audio CODEC With miniDSP and 2.5-W Mono Class-D Speaker Amplifier No TSC function, 95-90dB SNR Mono DAC/ADC with integrated PLL and miniDSP
TLV320AIC3256 ACTIVE Very Low-Power Stereo Codec with miniDSP and DirectPath™ HP Amplifier No TSC function, 100/93dB SNR Stereo DAC/ADC, integrated PLL and miniDSP
TSC2005 ACTIVE Nano-Power Touch Screen Controller with SPI Serial Interface 1.6-3.6V TSC function, Register Based Programming and Programmable Timing, SPI interface, 12-bit ADC
TSC2006 ACTIVE Nano-Power Touch Screen Controller with SPI Serial Interface 1.2-3.6V TSC function, Register Based Programming and Programmable Timing, SPI interface, 12-bit ADC

Technical documentation

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Type Title Date
* Datasheet Audio Codec w/ Integrated Headphone Speaker Amp & Touch Screen Cntroller datasheet (Rev. D) May 10, 2005
Application notes TSC2100 WinCE5.0 Drivers Feb. 20, 2006
Application notes The Built-In AGC Function in TSC2100/2101 & TLV320AIC26/28/32/33 Devices Sep. 13, 2005
Application notes Using the PGA Function in TSC210x/AIC26/AIC28/DAC26 Devices Jun. 03, 2005
Application notes Programming Audio Power Up/Down on TSC210x & TLV320AIC26/28 (Rev. A) May 05, 2005
Application notes TSC2101 WinCE 5.0 Drivers May 04, 2005
Application notes How to Set the TSC/AIC EVM to Record & Playback Audio or Other Sound Through PC Dec. 14, 2004
Application notes Interface TSC Through McBSP Oct. 28, 2004
Application notes TSC2101 Touch Screen, Battery and Audio WinCE Drivers Apr. 12, 2004
User guides TSC2101EVM Touch Screen Controller Evaluation Module (Rev. A) Mar. 01, 2004
User guides TSC2101EVM Touch Screen Controller Evaluation Module Jan. 09, 2004

Design & development

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Software development

SLAC041.ZIP (239 KB)

Design tools & simulation

SLAM067.ZIP (94 KB) - IBIS Model
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 (...)
  • 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
  • (...)
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 (...)

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VQFN (RGZ) 48 View options

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