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TAS5707APHPR Datasheet(PDF) 1 Page - Texas Instruments |
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TAS5707APHPR Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 59 page  TAS5707, TAS5707A www.ti.com SLOS556B – NOVEMBER 2008 – REVISED NOVEMBER 2009 20-W STEREO DIGITAL AUDIO POWER AMPLIFIER WITH EQ AND DRC Check for Samples: TAS5707 TAS5707A 1 FEATURES 23 • Audio Input/Output Night-Mode Listening – 20-W Into an 8- Ω Load From an 18-V Supply – Autobank Switching: Preload Coefficients for Different Sample Rates. No Need to – Wide PVDD Range, From 8 V to 26 V Write New Coefficients to the Part When – Efficient Class-D Operation Eliminates Sample Rate Changes. Need for Heatsinks – Autodetect: Automatically Detects – Requires Only 3.3 V and PVDD Sample-Rate Changes. No Need for – One Serial Audio Input (Two Audio External Microprocessor Intervention Channels) – Supports 8-kHz to 48-kHz Sample Rate APPLICATIONS (LJ/RJ/I2S) • Television • Audio/PWM Processing • iPod™ Dock – Independent Channel Volume Controls With • Sound Bar 24 dB to Mute DESCRIPTION – Soft Mute (50% Duty Cycle) – Programmable Dynamic Range Control The TAS5707 is a 20-W, efficient, digital-audio power amplifier for driving stereo bridge-tied speakers. One – 14 Programmable Biquads for Speaker EQ serial data input allows processing of up to two and Other Audio Processing Features discrete audio channels and seamless integration to – Programmable Coefficients for DRC Filters most digital audio processors and MPEG decoders. – DC Blocking Filters The device accepts a wide range of input data and data rates. A fully programmable data path routes • General Features these channels to the internal speaker drivers. – Serial Control Interface Operational Without MCLK The TAS5707 is a slave-only device receiving all clocks from external sources. The TAS5707 operates – Factory-Trimmed Internal Oscillator for with a PWM carrier between a 384-kHz switching rate Automatic Rate Detection and 352-KHz switching rate, depending on the input – Surface Mount, 48-PIN, 7-mm × 7-mm sample rate. Oversampling combined with a HTQFP Package fourth-order noise shaper provides a flat noise floor and excellent dynamic range from 20 Hz to 20 kHz.. – Thermal and Short-Circuit Protection • Benefits The TAS5707A is identical in function to the HTQFP packaged TAS5707, but has a unique I2C device – EQ: Speaker Equalization Improves Audio address. The address of the TAS5707 is 0x36. The Performance address of the TAS5707A is 0x3A. – DRC: Dynamic Range Compression. Can Be Used As Power Limiter. Enables Speaker Protection, Easy Listening, 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. 3 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2008–2009, 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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