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TAS5713 bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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TAS5713 bảng dữ liệu(HTML) 1 Page - Texas Instruments |
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1 / 72 page  TAS5713 www.ti.com SLOS637A – DECEMBER 2009 – REVISED AUGUST 2010 25-W DIGITAL AUDIO POWER AMPLIFIER WITH EQ AND DRC Check for Samples: TAS5713 1 FEATURES • Audio Input/Output – AD and BD PWM-Mode Support – 25-W Into an 8- Ω Load From a 20-V Supply – Up to 90% Efficient A – Wide PVDD Range, From 8 V to 26 V • Benefits – Supports BTL Configuration With 4- Ω Load – EQ: Speaker Equalization Improves Audio – Efficient Class-D Operation Eliminates Performance Need for Heatsinks – DRC: Dynamic Range Compression. Can – One Serial Audio Input (Two Audio Be Used As Power Limiter. Enables Channels) Speaker Protection, Easy Listening, – I2C Address Selection Pin (Chip Select) Night-Mode Listening – Single Output Filter PBTL Support – Autobank Switching: Preload Coefficients – Supports 8-kHz to 48-kHz Sample Rate for Different Sample Rates. No Need to (LJ/RJ/I2S) Write New Coefficients to the Part When • Audio/PWM Processing Sample Rate Changes – Independent Channel Volume Controls With – Autodetect: Automatically Detects Gain of 24 dB to Mute Sample-Rate Changes. No Need for – Programmable Two-Band Dynamic-Range External Microprocessor Intervention Control DESCRIPTION – 22 Programmable Biquads for Speaker EQ and Other Audio-Processing Features The TAS5713 is a 25-W, efficient, digital-audio power amplifier for driving stereo bridge-tied speakers. One – Programmable Coefficients for DRC Filters serial data input allows processing of up to two – DC Blocking Filters discrete audio channels and seamless integration to • General Features most digital audio processors and MPEG decoders. – I2C Serial Control Interface Operational The device accepts a wide range of input data and data rates. A fully programmable data path routes Without MCLK these channels to the internal speaker drivers. – Requires Only 3.3 V and PVDD The TAS5713 is a slave-only device receiving all – No External Oscillator: Internal Oscillator clocks from external sources. The TAS5713 operates for Automatic Rate Detection with a PWM carrier between a 384-kHz switching rate – Surface-Mount, 48-Pin, 7-mm × 7-mm and a 352-KHz switching rate, depending on the input HTQFP Package sample rate. Oversampling combined with a – Thermal and Short-Circuit Protection fourth-order noise shaper provides a flat noise floor and excellent dynamic range from 20 Hz to 20 kHz.. – 106-dB SNR, A-Weighted 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. PRODUCTION DATA information is current as of publication date. Copyright © 2009–2010, 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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