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TAS5711PHPR Datasheet(PDF) 1 Page - Texas Instruments |
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TAS5711PHPR Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 64 page  TAS5711 www.ti.com SLOS600 – DECEMBER 2009 20-W DIGITAL AUDIO-POWER AMPLIFIER WITH EQ, DRC, AND 2.1 MODE Check for Samples: TAS5711 1 FEATURES 2 • Audio Input/Output • Benefits – 20-W Into an 8- Ω Load From an 18-V Supply – Up to 90% Efficient – Wide PVDD Range, From 8 V to 26 V – AD and BD Filter Mode Support – Efficient Class-D Operation Eliminates – SNR: 106 dB, A-Weighted Need for Heatsinks – EQ: Speaker Equalization Improves Audio – One Serial Audio Input (Two Audio Performance Channels) – DRC: Dynamic Range Compression. Can – 2.1 Mode (2 SE + 1 BTL) Be Used As Power Limiter. Enables Speaker Protection, Easy Listening, – 2.0 Mode (2 BTL) Night-Mode Listening. – Single-Filter PBTL Mode Support – Separate DRC for Satellite and – I2C Address Selection Pin (Chip Select) Subchannels – Supports 8-kHz to 48-kHz Sample Rate – Autobank Switching: Preload Coefficients (LJ/RJ/I2S) for Different Sample Rates. No Need to • Audio/PWM Processing Write new Coefficients to the Part When – Independent Channel Volume Controls With Sample Rate Changes. 24-dB to Mute – Autodetect: Automatically Detects – Separate Dynamic Range Control for Sample-Rate Changes. No Need for Satellite and Subchannels External Microprocessor Intervention – 21 Programmable Biquads for Speaker EQ • Requires Only 3.3 V and PVDD and Other Audio Processing Features – Programmable Coefficients for DRC Filters APPLICATIONS • Television – DC Blocking Filters • iPod™ Dock – Support for 3D Effects • Sound Bar • General Features – Serial Control Interface Operational Without DESCRIPTION MCLK The TAS5711 is a 20-W, efficient, digital audio power – Factory-Trimmed Internal Oscillator for amplifier for driving stereo bridge-tied speakers. One Automatic Rate Detection serial data input allows processing of up to two – Surface Mount, 48-Pin, 7-mm × 7-mm discrete audio channels and seamless integration to HTQFP Package most digital audio processors and MPEG decoders. The device accepts a wide range of input data and – Thermal and Short-Circuit Protection data rates. A fully programmable data path routes – Support for AD or BD Mode these channels to the internal speaker drivers. The TAS5711 is an I2S slave-only device receiving all clocks from external sources. The TAS5711 operates with a PWM carrier between 384-kHz switching rate and 352-KHz switching rate depending on the input sample rate. Oversampling combined with a fourth-order noise shaper provides a flat noise floor and excellent dynamic range from 20 Hz to 20 kHz. 1 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. 2 iPod is a trademark of Apple Inc. PRODUCTION DATA information is current as of publication date. Copyright © 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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