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TAS5707 Datasheet(PDF) 1 Page - Texas Instruments |
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TAS5707 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 55 page  1 FEATURES DESCRIPTION TAS5707 www.ti.com........................................................................................................................................................................................... SLOS556 – NOVEMBER 2008 20-W STEREO DIGITAL AUDIO POWER AMPLIFIER WITH EQ AND DRC • Audio Input/Output – DRC: Dynamic Range Compression. Can Be Used As Power Limiter. Enables – 20-W Into an 8- Ω Load From an 18-V Supply Speaker Protection, Easy Listening, – Wide PVDD Range, From 8 V to 24 V Night-Mode Listening. – Efficient Class-D Operation Eliminates – Autobank Switching: Preload Coefficients Need for Heatsinks for Different Sample Rates. No Need to – Requires Only 3.3 V and PVDD Write new Coefficients to the Part When – One Serial Audio Input (Two Audio Sample Rate Changes. Channels) – Autodetect: Automatically Detects – Supports 8-kHz to 48-kHz Sample Rate Sample-Rate Changes. No Need for (LJ/RJ/I2S) External Microprocessor Intervention • Audio/PWM Processing – Independent Channel Volume Controls With 24-dB to Mute The TAS5707 is a 20-W, efficient, digital audio power amplifier for driving stereo bridge-tied speakers. One – Soft Mute (50% Duty Cycle) serial data input allows processing of up to two – Programmable Dynamic Range Control discrete audio channels and seamless integration to – 14 Programmable Biquads for Speaker EQ most digital audio processors and MPEG decoders. and Other Audio Processing Features The device accepts a wide range of input data and data rates. A fully programmable data path routes – Programmable Coefficients for DRC Filters these channels to the internal speaker drivers. – DC Blocking Filters The TAS5707 is a slave-only device receiving all • General Features clocks from external sources. The TAS5707 operates – Serial Control Interface Operational Without with a PWM carrier between 384-kHz switching rate MCLK and 352-KHz switching rate depending on the input – Factory-Trimmed Internal Oscillator for sample rate. Oversampling combined with a automatic rate detection fourth-order noise shaper provides a flat noise floor and excellent dynamic range from 20 Hz to 20 kHz. – Surface Mount, 48-PIN, 7-mm × 7-mm HTQFP Package – Thermal and Short-Circuit Protection • Benefits – EQ: Speaker Equalization Improves Audio Performance 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 © 2008, 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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