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Numéro de sérieTAS5706A
CategorieMultimedia => Audio => Amplifiers => Power Amplifiers
Description20-W Stereo Digital Audio Power Amplifier With EQ And DRC
The TAS5706A is a 20-W, efficient, digital audio power amplifier for driving stereo bridged-tied speakers. Two serial data inputs allow processing of up to four discrete audio channels and seamless integration to most digital audio processors and MPEG decoders, accepting a wide range of input data and clock rates. A fully programmable data path allows these channels to be routed to the internal speaker drivers or output via the subwoofer or headphone PWM outputs.
SociétéTexas Instruments, Inc.
DatasheetTélécharger TAS5706A datasheet
 
 
  • Description courte

  • 20-W Stereo Digital Audio Power Amplifier with EQ and DRC
    FEATURES

    · Audio Input/Output ­ 20-W into an 8- Load From an 18-V Supply ­ Two Serial Audio Inputs (Four Audio Channels) ­ Supports Multiple Output Configurations: ­ 2-Ch Bridged Outputs ­ 4-Ch Single-Ended Outputs ­ 2-Ch Single-Ended + 1-Ch Bridged (10 W W)· Supports 32-kHz­192-kHz Sample Rates (LJ/RJ/I2S)· Closed Loop Power Stage Architecture ­ Improved PSRR Reduces Power Supply Performance Requirements ­ Higher Damping Factor Provides for Tighter, More Accurate Sound With Improved Bass Response ­ Constant Output Power Over Variation in Supply· Wide PVCC Range From ­ No Separate Supply Required for Gate Drive· Headphone PWM Outputs· Subwoofer PWM Outputs· AM Interference Avoidance Support· Audio/PWM Processing ­ Independent Channel Volume Controls With to ­100-dB Range--Soft Mute (50% Duty Cycle) ­ Programmable Dynamic Range Control ­ 7 Programmable Biquads for Speaker Equalization for Left and Right Channels ­ 4 Programmable Biquads for Bass Processing

    ­ Adaptive Biquad Coefficients for EQ and DRC Filters ­ Programmable Input and Output Mixers ­ Automatic Sample-Rate Detection and Coefficient Banking General Features ­ Serial Control Interface Operational Without MCLK ­ Factory-Trimmed Internal Oscillator Avoids the Need for External Crystal ­ Surface Mount, × 10-mm HTQFP Package ­ Thermal and Short-Circuit Protection

    DESCRIPTION

    The a 20-W, efficient, digital audio power amplifier for driving stereo bridged-tied speakers. Two serial data inputs allow processing up to four discrete audio channels and seamless integration to most digital audio processors and MPEG decoders, accepting a wide range of input data and clock rates. A fully programmable data path allows these channels to be routed to the internal speaker drivers or output via the subwoofer or headphone PWM outputs. The is a slave-only device receiving all clocks from external sources. The TAS5706A operates a 384-kHz switching rate for 48-, 96-, and 192-kHz data, and a 352.8 kHz switching rate for 44.1-, 88.2-, and 176.4-kHz data. The 8× oversampling combined with the fourth-order noise shaper provides a flat noise floor and excellent dynamic range from to 20 kHz.

    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. PurePath Digital is a trademark of Texas Instruments. All other trademarks are the property of their respective owners.

    PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.

    These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

    OUT_A LRCLK Digital Audio Source SCLK MCLK SDIN1 SDIN2 OUT_B OUT_C BST_B BST_A LCBTL* Left
    BST_C LCBTL* BST_D MUTE Control Inputs HPSEL RESET PDN

    TPA6110A2 (HP Amplifier) * Refer to TI Application Note on LC filter design for BTL (AD/BD mode) configuration.

    Submit Documentation Feedback Product Folder Link(s): TAS5706A
    OUT_A LRCLK Digital Audio Source SCLK MCLK SDIN1 SDIN2 BST_B BST_A

    TPA6110A2 (HP Amplifier) * Refer to TI Application Note on LC filter design for SE or BTL configuration.