ZHCSI92D May   2018  – November 2020 TAS5805M

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Typical Characteristics
      1. 6.7.1 Bridge Tied Load (BTL) Configuration Curves with 1SPW Mode
      2. 6.7.2 Bridge Tied Load (BTL) Configuration Curves with BD Mode
      3. 6.7.3 Bridge Tied Load (BTL) Configuration Curves with Ferrite Bead + Capacitor as the Output Filter
      4. 6.7.4 Parallel Bridge Tied Load (PBTL) Configuration with 1SPW Modulation
      5. 6.7.5 Parallel Bridge Tied Load (PBTL) Configuration with BD Modulation
  8. 7 Parameter Measurement Information
  9. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Power Supplies
      2. 7.3.2 Device Clocking
      3. 7.3.3 Serial Audio Port – Clock Rates
      4. 7.3.4 Clock Halt Auto-recovery
      5. 7.3.5 Sample Rate on the Fly Change
      6. 7.3.6 Serial Audio Port - Data Formats and Bit Depths
      7. 7.3.7 Digital Audio Processing
      8. 7.3.8 Class D Audio Amplifier
        1. 7.3.8.1 Speaker Amplifier Gain Select
        2. 7.3.8.2 Class D Loop Bandwidth and Switching Frequency Setting
    4. 7.4 Device Functional Modes
      1. 7.4.1 Software Control
      2. 7.4.2 Speaker Amplifier Operating Modes
        1. 7.4.2.1 BTL Mode
        2. 7.4.2.2 PBTL Mode
      3. 7.4.3 Low EMI Modes
        1. 7.4.3.1 Spread Spectrum
        2. 7.4.3.2 Channel to Channel Phase Shift
        3. 7.4.3.3 Multi-Devices PWM Phase Synchronization
      4. 7.4.4 Thermal Foldback
      5. 7.4.5 Device State Control
      6. 7.4.6 Device Modulation
        1. 7.4.6.1 BD Modulation
        2. 7.4.6.2 1SPW Modulation
        3. 7.4.6.3 Hybrid Modulation
    5. 7.5 Programming and Control
      1. 7.5.1 I2 C Serial Communication Bus
      2. 7.5.2 Slave Address
        1. 7.5.2.1 Random Write
        2. 7.5.2.2 Sequential Write
        3. 7.5.2.3 Random Read
        4. 7.5.2.4 Sequential Read
        5. 7.5.2.5 DSP Memory Book, Page and BQ Coefficients Update
        6. 7.5.2.6 Example Use
        7. 7.5.2.7 Checksum
          1. 7.5.2.7.1 Cyclic Redundancy Check (CRC) Checksum
          2. 7.5.2.7.2 Exclusive or (XOR) Checksum
      3. 7.5.3 Control via Software
        1. 7.5.3.1 Startup Procedures
        2. 7.5.3.2 Shutdown Procedures
        3. 7.5.3.3 Protection and Monitoring
          1. 7.5.3.3.1 Overcurrent Shutdown (OCSD)
          2. 7.5.3.3.2 Speaker DC Protection
          3. 7.5.3.3.3 Device Over Temperature Protection
          4. 7.5.3.3.4 Device Over Voltage/Under Voltage Protection
            1. 7.5.3.3.4.1 Over Voltage Protection
            2. 7.5.3.3.4.2 Under Voltage Protection
          5. 7.5.3.3.5 Clock Fault
    6. 7.6 Register Maps
      1. 7.6.1 CONTROL PORT Registers
  10. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Bootstrap Capacitors
      2. 8.1.2 Inductor Selections
      3. 8.1.3 Power Supply Decoupling
      4. 8.1.4 Output EMI Filtering
    2. 8.2 Typical Applications
      1. 8.2.1 2.0 (Stereo BTL) System
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedures
          1. 8.2.1.2.1 Step 1: Hardware Integration
          2. 8.2.1.2.2 Step 2: Speaker Tuning
          3. 8.2.1.2.3 Step 3: Software Integration
        3. 8.2.1.3 Application Curves
          1. 8.2.1.3.1 Audio Performance
          2. 8.2.1.3.2 EN55022 Conducted Emissions Results with Ferrite Bead as output filter
          3. 8.2.1.3.3 EN55022 Radiated Emissions Results with Ferrite Bead as output filter
      2. 8.2.2 MONO (PBTL) Systems
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
        3. 8.2.2.3 Application Curves
      3. 8.2.3 Advanced 2.1 System (Two TAS5805M Devices)
  11. 9 Power Supply Recommendations
    1. 9.1 DVDD Supply
    2. 9.2 PVDD Supply
  12. 9 Layout
    1. 9.1 Layout Guidelines
      1. 9.1.1 General Guidelines for Audio Amplifiers
      2. 9.1.2 Importance of PVDD Bypass Capacitor Placement on PVDD Network
      3. 9.1.3 Optimizing Thermal Performance
        1. 9.1.3.1 Device, Copper, and Component Layout
        2. 9.1.3.2 Stencil Pattern
          1. 9.1.3.2.1 PCB footprint and Via Arrangement
          2. 9.1.3.2.2 Solder Stencil
    2. 9.2 Layout Example
  13. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 Device Nomenclature
      2. 10.1.2 Development Support
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 支持资源
    4. 10.4 Trademarks
    5. 10.5 静电放电警告
    6. 10.6 术语表
  14. 11Mechanical, Packaging, and Orderable Information

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • PWP|28
散热焊盘机械数据 (封装 | 引脚)
订购信息

1 特性

  • 支持多路输出配置
    • 2.0 模式（8Ω，21V，THD+N=1%）下可提供 2 × 23W 的功率
    • 单声道模式（4Ω，21V，THD+N=1%）下可提供 45W 的功率
  • 优异的音频性能
    • 1W、1kHz、PVDD = 12V 条件下 THD+N ≤ 0.03%
    • SNR ≥ 107dB（A 加权），噪声级别 < 40µVRMS
  • 低静态电流（混合调制）
    • PVDD = 13.5V 且使用 22µH + 0.68µF 滤波器的情况下为 16.5mA
  • 灵活的电源配置
    • PVDD：4.5V 至 26.4V
    • DVDD 和 I/O：1.8V 或 3.3V
  • 灵活的音频 I/O
    • I2S、LJ、RJ、TDM、3 线数字音频接口（无需 MCLK）
    • 支持 32、44.1、48、88.2、96kHz 采样速率
    • 可支持音频监控、子通道或回声消除的 SDOUT
  • 增强的音频处理能力
    • 多频带高级 DRC 和 AGL
    • 2×15 个 BQ
    • 热折返、直流阻断
    • 输入混合器、输出交叉开关
    • 电平计
    • 5 个 BQ + 单频带 DRC + THD 管理器（用于低音炮通道）
    • 声场定位器 (SFS) 选项
  • 集成式自保护
    • 邻近的引脚对引脚短路不会造成损坏
    • 过流错误 (OCE)
    • 过热警告 (OTW)
    • 过热错误 (OTE)
    • 欠压/过压锁定 (UVLO/OVLO)
  • 可轻松进行系统集成
    • I2C 软件控制
    • 解决方案尺寸更小
      • 与开环器件相比，所需的无源器件更少
      • 对于 PVDD ≤ 14V 的大多数情况，可实现无电感器操作（铁氧体磁珠）
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