TAS5716 - 具有扬声器均衡、DRC 和 3D/低音升压的 20W 立体声闭环 12S 音频放大器

TAS5716是TI德州仪器公司的一款无产品，TAS5716是具有扬声器均衡、DRC 和 3D/低音升压的 20W 立体声闭环 12S 音频放大器，本站介绍了TAS5716的封装应用图解、特点和优点、功能等，并给出了与TAS5716相关的TI元器件型号供参考。

TAS5716 - 具有扬声器均衡、DRC 和 3D/低音升压的 20W 立体声闭环 12S 音频放大器 - 无 - 中/高功率D类放大器 - 德州仪器

产品描述

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.

产品特性

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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