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TSC2117 Datasheet(PDF) 1 Page - Texas Instruments |
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TSC2117 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 192 page  1 INTRODUCTION 1.1 Features 1.2 Applications 1.3 Description TSC2117 Low-Power Audio Codec With Embedded miniDSP, Stereo Class-D Speaker Amplifier, and Smart Four-Wire Touch-Screen Controller www.ti.com SLAS550A – APRIL 2009 – REVISED JUNE 2009 • Low-Power 13-mW Stereo 48-kHz Playback • Portable Gaming Devices • Stereo Audio DAC and Monaural ADC Support 8-kHz to 192-kHz Sample Rates • Mobile Internet Devices • Instruction-Programmable miniDSP Available • Adaptive Filtering Applications for Record and Playback Paths • Bass Boost/Treble/EQ With up to Five Biquads for Record and up to Six Biquads for Playback • Stereo 1.29-W Class-D BTL 8-Ω Speaker Driver The TSC2117 is a low-power, highly integrated, With Direct Battery Connection high-performance codec and touch-screen controller which features stereo class-D speaker amplifiers, a • Smart Four-Wire Touch-Screen Controller With stereo audio DAC, mono audio ADC, and a SAR Autonomous Timing ADC. • Programmable-Gain Amplifiers • Microphone Bias The TSC2117 supports 16-bit stereo playback and monaural record functionality. The device integrates • Hardware-Implemented AGC Used With several analog features, such as a microphone Microphone Input for Audio ADC Path interface, headphone drivers, and speaker drivers. • Digital Microphone Interface The TSC2117 has two fully programmable miniDSPs • Digital Mixing Capability for digital audio processing. The digital audio data • Pin Control or Register Control for format is programmable to work with popular audio Digital-Playback Volume-Control Settings standard protocols (I2S, left/right-justified) in master, • Programmable 12-Bit SAR ADC slave, DSP, and TDM modes. Bass boost, treble, or EQ are supported by the preprogrammed modes of • Built-In Capability for Temperature, Battery, or the programmable digital signal-processing block. An Auxiliary Measurements on-chip PLL provides the high-speed clock needed by • Programmable DRC for Digital Playback the digital signal-processing block. The volume level • Sine-Wave Generator for Beep Generator for can be controlled by either a pin control or by register Touch-Pad Press Acknowledgement control. • Integrated PLL Used for Programmable Digital The TSC2117 has a 12-bit converter that supports a Audio Processor four-wire resistive touch-screen complete with drivers. • SPI, I2C, and I2S Serial Interfaces All functions can be controlled by an I2C or SPI • SPI , I2C Have Register Auto-Increment interface. A programmable beep generator is • Full Power-Down Control included. An on-chip processor is used in the touch-screen mode and provides extensive features • Power Supplies: specifically designed to reduce the host-processor – Analog: 2.7 V–3.6 V and interface-bus overhead. The TSC2117 has three – Digital Core: 1.65 V–1.95 V dedicated analog inputs for system voltage – Digital I/O: 1.1 V–3.6 V measurements, with an on-chip temperature sensor – Class-D: 2.7 V–5.5 V (SLVDD and SRVDD ≥ that can be read by the SAR ADC, and is available in AVDD) a 7-mm × 7-mm 48-pin QFN package. • 7-mm × 7-mm 48-QFN Package 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 document. PurePath is a trademark of Texas Instruments. MATLAB is a trademark of The MathWorks, Inc. All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2009–2009, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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