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TSC2111IRGZTG4 Folha de dados(PDF) 1 Page - Texas Instruments |
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TSC2111IRGZTG4 Folha de dados(HTML) 1 Page - Texas Instruments |
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1 / 99 page  TSC2111 SLAS495− JUNE 2006 AUDIO CODEC WITH INTEGRATED HEADPHONE, SPEAKER AMPLIFIER AND TOUCH SCREEN CONTROLLER FEATURES D Stereo Audio DAC and Mono ADC Support Rates Up to 48kHz D High Quality 95dB Stereo Audio Playback Performance D Low Power 19−mW Stereo Audio Playback at 48kHz Sample Rate and 3.3V Analog Supply Level D Programmable Digital Audio Effects/Bass/Treble/EQ/De−Emphasis Filters D Programmable Gain Amplifiers D MIC Preamp and Hardware Automatic Gain Control With Up to 59.5dB Gain D 32-Ω Stereo Headphone Driver With Support for Both Cap or Capless Option D Cellular Headset Interface D 400mW 8-Ω Power Amp With Direct Battery Supply Connection D 32-Ω Differential Earpiece Driver D Differential Interface to Cellular Phone Module D Auto-Detection of Headset and Button Press D Programmable Audio Routing D 4-Wire Touch Screen Interface D Integrated Touch Screen Processor With Fully Automated Modes of Operation D Programmable Converter Resolution, Speed, and Averaging D Programmable Autonomous Timing Control D Direct Battery Measurement Accepts up to 6−V Input D Built-In Buffer for Touch Screen Data D SPI Serial Interface D Low Power D Full Power-Down Control D 48-Pin QFN Package APPLICATIONS D Personal Digital Assistants D Smart Cellular Phones D MP3 Players DESCRIPTION The TSC2111 is a low-power highly integrated high performance codec and touch screen controller, which supports stereo audio DAC, mono audio ADC and SAR ADC. The TSC2111 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 TSC2111 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 TSC2111 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 TSC2111 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 TSC2111 is available in a 48-lead QFN. US Patent No. 6246394 SPI is a trademark of Motorola. 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. 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. www.ti.com Copyright 2004 − 2005, Texas Instruments Incorporated |
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