TAS5716

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20-W stereo, 10- to 26-V, digital input, Class-D audio amplifier w/ speaker EQ, DRC & bass boost

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Product details

Parameters

Audio input type Digital Input Architecture Class-D Speaker channels (Max) 4 Power stage supply (Max) (V) 26 Power stage supply (Min) (V) 10 Load (Min) (ohms) 4 Output power (W) 20 SNR (dB) 99 THD + N @ 1 kHz (%) 0.05 Iq (Typ) (mA) 33 Control interface Hardware, Software Closed/open loop Open Analog supply (Min) (V) 3 Analog supply (Max) (V) 3.6 Sampling rate (Max) (kHz) 192 PSRR (dB) 60 Operating temperature range (C) 0 to 85 open-in-new Find other Speaker amps

Package | Pins | Size

HTQFP (PAP) 64 144 mm² 12 x 12 open-in-new Find other Speaker amps

Features

  • Audio Input/Output
    • 20-W into an 8-Ω Load From an 18-V Supply
    • Two Serial Audio Inputs (Four Audio Channels)
    • Supports Multiple Output Configurations:
      • 2-Ch Bridged Outputs (20 W × 2)
      • 4-Ch Single-Ended Outputs (10 W × 4)
      • 2-Ch Single-Ended + 1-Ch Bridged (2.1) (10 W × 2 + 20 W)
  • 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 (10 V to 26 V)
    • No Separate Supply Required for Gate Drive
  • Supports 32-kHz—192-kHz Sample Rates (LJ/RJ/I2S)
  • Headphone PWM Outputs
  • Subwoofer PWM Outputs
  • AM Interference Avoidance Support
  • Audio/PWM Processing
    • Independent Channel Volume Controls With 24-dB to -100-dB Range—Soft Mute (50% Duty Cycle)
    • Programmable Dynamic Range Control
    • 16 Programmable Biquads for Speaker Equalization
    • Adaptive Biquad Coefficients for EQ and DRC Filters
    • Programmable Input and Output Mixers
    • Loudness Compensation for Subwoofer
    • Automatic Sample-Rate Detection and Coefficient Banking
    • 3D Support
    • Pseudo-Bass Support
  • General Features
    • Serial Control Interface Operational Without MCLK
    • Factory-Trimmed Internal Oscillator Avoids the Need for External Crystal
    • Surface Mount, 64-Terminal, 10-mm × 10-mm HTQFP Package
    • Thermal and Short-Circuit Protection
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Description

The TAS5716 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.

The TAS5716 is a slave-only device receiving all clocks from external sources. The TAS5716 operates at a 384-kHz switching rate for 32-, 48-, 96-, and 192-kHz data, and at 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 20 Hz to 20 kHz.

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Next Generation 20-W Stereo, 16V Closed-Loop Digital Input Audio Class-D Amplifier:  TAS5760L

Next Generation 25-W Stereo, 26V Closed-Loop Digital Input Audio Class-D Amplifier:  TAS5760M

Technical documentation

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Type Title Date
* Datasheet TAS5716 datasheet datasheet Feb. 19, 2008
Application notes Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) Aug. 26, 2019
Application notes AN-1849 An Audio Amplifier Power Supply Design (Rev. C) Jun. 27, 2019
Application notes AN-1737 Managing EMI in Class D Audio Applications (Rev. A) May 01, 2013

Design & development

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HTQFP (PAP) 64 View options

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