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TAS5711 - 产品图解:
TAS5711-具有扬声器均衡、DRC 和 2.1 支持的 20W 立体声 I2S 音频放大器
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TI产品 - TAS5711介绍
TAS5711 - 具有扬声器均衡、DRC 和 2.1 支持的 20W 立体声 I2S 音频放大器

TAS5711是TI公司的一款无产品,TAS5711是具有扬声器均衡、DRC 和 2.1 支持的 20W 立体声 I2S 音频放大器,本页介绍了TAS5711的产品说明、应用、特性等,并给出了与TAS5711相关的TI元器件型号供参考。

TAS5711 - 具有扬声器均衡、DRC 和 2.1 支持的 20W 立体声 I2S 音频放大器 - 无 - 中/高功率D类放大器 - TI公司(Texas Instruments,德州仪器)

产品描述

The TAS5711 is a 20-W, efficient, digital audio power amplifier for driving stereo bridge-tied speakers. One serial data input allows processing of up to two discrete audio channels and seamless integration to most digital audio processors and MPEG decoders. The device accepts a wide range of input data and data rates. A fully programmable data path routes these channels to the internal speaker drivers.

The TAS5711 is an I2S slave-only device receiving all clocks from external sources. The TAS5711 operates with a PWM carrier between 384-kHz switching rate and 352-KHz switching rate depending on the input sample rate. Oversampling combined with a fourth-order noise shaper provides a flat noise floor and excellent dynamic range from 20Hz to 20 kHz.

产品特性

  • Audio Input/Output
    • 20-W Into an 8- Load From an 18-V Supply
    • Wide PVDD Range, From 8 V to 26 V
    • Efficient Class-D Operation Eliminates Need for Heatsinks
    • One Serial Audio Input (Two Audio Channels)
    • 2.1 Mode (2 SE + 1 BTL)
    • 2.0 Mode (2 BTL)
    • Single-Filter PBTL Mode Support
    • I2C Address Selection Pin (Chip Select)
    • Supports 8-kHz to 48-kHz Sample Rate (LJ/RJ/I2S)
  • Audio/PWM Processing
    • Independent Channel Volume Controls With 24-dB to Mute
    • Separate Dynamic Range Control for Satellite and Subchannels
    • 21 Programmable Biquads for Speaker EQ and Other Audio Processing Features
    • Programmable Coefficients for DRC Filters
    • DC Blocking Filters
    • Support for 3D Effects
  • General Features
    • Serial Control Interface Operational Without MCLK
    • Factory-Trimmed Internal Oscillator for Automatic Rate Detection
    • Surface Mount, 48-Pin, 7-mm × 7-mm HTQFP Package
    • Thermal and Short-Circuit Protection
    • Support for AD or BD Mode
  • Benefits
    • Up to 90% Efficient
    • AD and BD Filter Mode Support
    • SNR: 106 dB, A-Weighted
    • EQ: Speaker Equalization Improves Audio Performance
    • DRC: Dynamic Range Compression. Can Be Used As Power Limiter. Enables Speaker Protection, Easy Listening, Night-Mode Listening.
    • Separate DRC for Satellite and Subchannels
    • Autobank Switching: Preload Coefficients for Different Sample Rates. No Need to Write new Coefficients to the Part When Sample Rate Changes.
    • Autodetect: Automatically Detects Sample-Rate Changes. No Need for External Microprocessor Intervention
  • Requires Only 3.3 V and PVDD
  • APPLICATIONS
    • Television
    • iPod™ Dock
    • Sound Bar

iPod is a trademark of Apple Inc.

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