ZHCSH28B September   2017  – December 2017 TPA3221

PRODUCTION DATA.  

  1. 特性
  2. 应用
  3. 说明
    1.     简化原理图
  4. 修订历史记录
  5. Device Comparison Table
  6. Pin Configuration and Functions
    1.     Pin Functions
  7. Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Audio Characteristics (BTL)
    7. 7.7 Audio Characteristics (PBTL)
    8. 7.8 Typical Characteristics, BTL Configuration, AD-mode
    9. 7.9 Typical Characteristics, PBTL Configuration, AD-mode
  8. Parameter Measurement Information
  9. Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagrams
    3. 9.3 Feature Description
      1. 9.3.1 Internal LDO
        1. 9.3.1.1 Input Configuration, Gain Setting And Master / Slave Operation
      2. 9.3.2 Gain Setting And Master / Slave Operation
      3. 9.3.3 AD-Mode and HEAD-Mode PWM Modulation
      4. 9.3.4 Oscillator
      5. 9.3.5 Input Impedance
      6. 9.3.6 Error Reporting
    4. 9.4 Device Functional Modes
      1. 9.4.1 Powering Up
        1. 9.4.1.1 Startup Ramp Time
      2. 9.4.2 Powering Down
        1. 9.4.2.1 Power Down Ramp Time
      3. 9.4.3 Device Reset
      4. 9.4.4 Device Soft Mute
      5. 9.4.5 Device Protection System
        1. 9.4.5.1 Overload and Short Circuit Current Protection
        2. 9.4.5.2 Signal Clipping and Pulse Injector
        3. 9.4.5.3 DC Speaker Protection
        4. 9.4.5.4 Pin-to-Pin Short Circuit Protection (PPSC)
        5. 9.4.5.5 Overtemperature Protection OTW and OTE
        6. 9.4.5.6 Undervoltage Protection (UVP), Overvoltage Protection (OVP) and Power-on Reset (POR)
        7. 9.4.5.7 Fault Handling
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Applications
      1. 10.2.1 Stereo BTL Application
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design Procedures
          1. 10.2.1.2.1 Decoupling Capacitor Recommendations
          2. 10.2.1.2.2 PVDD Capacitor Recommendation
          3. 10.2.1.2.3 BST capacitors
          4. 10.2.1.2.4 PCB Material Recommendation
      2. 10.2.2 Typical Application, Differential (2N), AD-Mode PBTL (Outputs Paralleled before LC filter)
        1. 10.2.2.1 Design Requirements
      3. 10.2.3 Typical Application, Differential (2N), AD-Mode PBTL (Outputs Paralleled after LC filter)
        1. 10.2.3.1 Design Requirements
  11. 11Power Supply Recommendations
    1. 11.1 Power Supplies
      1. 11.1.1 VDD Supply
      2. 11.1.2 AVDD and GVDD Supplies
      3. 11.1.3 PVDD Supply
      4. 11.1.4 BST Supply
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Examples
      1. 12.2.1 BTL Application Printed Circuit Board Layout Example
      2. 12.2.2 PBTL (Outputs Paralleled before LC filter) Application Printed Circuit Board Layout Example
      3. 12.2.3 PBTL (Outputs Paralleled after LC filter) Application Printed Circuit Board Layout Example
  13. 13器件和文档支持
    1. 13.1 文档支持
    2. 13.2 接收文档更新通知
    3. 13.3 社区资源
    4. 13.4 商标
    5. 13.5 静电放电警告
    6. 13.6 Glossary
  14. 14机械、封装和可订购信息

封装选项

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

特性

  • 7V 到 30V 宽电源电压操作
  • 立体声 (2 x BTL) 和单声道 (1 x PBTL) 操作
  • THD+N 为 10% 时的输出功率
    • 105W/4Ω,BTL 立体声配置
    • 112W/3Ω,BTL 立体声配置
    • 208W/2Ω,PBTL 单声道配置
  • THD+N 为 1% 时的输出功率
    • 88W/4Ω,BTL 立体声配置
    • 100W/3Ω,BTL 立体声配置
    • 170W/2Ω,PBTL 单声道配置
  • 用于可选单电源操作的 5V 栅极驱动器或内置 LDO
  • 闭环反馈设计
    • 高达 100kHz 的信号带宽,用于高清源的高频成分
    • 1W/4Ω 时的 THD+N 为 0.02%
    • PSRR 为 60dB(BTL,无输入信号)
    • 输出噪声(A 加权)< 75µV
    • SNR(A 加权)> 108dB
    • AD 或 HEAD 调制方案
  • 低功耗操作模式
    • 待机模式:静音,< 1mA 关断
    • 低空闲电流 HEAD 调制方案
    • 单通道 BTL 操作
  • 多输入操作,可简化前置放大器设计
    • 差动或单端模拟输入
    • 可选增益:18dB、24dB、30dB、34dB
  • 集成式保护:欠压、过压、逐周期电流限制、短路、削波检测、过热警告和关断以及直流扬声器保护
  • 90% 高效 D 类操作 (4Ω)
  • 散热垫位于封装的底部
  • 具有电压和功率级别选项的引脚兼容系列器件