ZHCSH28B September   2017  – December 2017 TPA3221

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     简化原理图
  4. 4 修订历史记录
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
    1.     Pin Functions
  7. 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. 8 Parameter Measurement Information
  9. 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

7.8 Typical Characteristics, BTL Configuration, AD-mode

All Measurements taken at audio frequency = 1 kHz, PVDD_X = 30 V, VDD = 5 V, GVDD = 5 V, RL = 4 Ω, fS = 600 kHz, 18 dB, TC = 75°C, Output Filter: LDEM = 10 μH, CDEM = 1 µF, AD-Modulation, AES17 + AUX-0025 measurement filters, unless otherwise noted.

TPA3221 D001_SLASEE9.gif
Figure 1. Total Harmonic Distortion + Noise vs Output Power, AD-mode
TPA3221 D003_SLASEE9.gif
Figure 3. Total Harmonic Distortion+Noise vs Frequency, AD-mode
TPA3221 D005_SLASEE9.gif
Figure 5. Output Power vs Supply Voltage, AD-mode
TPA3221 D007_SLASEE9.gif
Figure 7. System Efficiency vs Output Power, AD-mode
TPA3221 D009_SLASEE9.gif
Figure 9. System Power Loss vs Output Power, AD-mode
TPA3221 D011_SLASEE9.gif
Figure 11. Noise Amplitude vs Frequency, AD-mode
TPA3221 D013_SLASEE9.gif
18 kHz + 19 kHz Ratio 1 : 1
Figure 13. CCIF Intermodulation, AD-mode
TPA3221 D015_SLASEE9.gif
Figure 15. Channel to Channel Crosstalk vs Frequency, AD-mode
TPA3221 D002_SLASEE9.gif
Figure 2. Total Harmonic Distortion+Noise vs Frequency, AD-mode
TPA3221 D004_SLASEE9.gif
Figure 4. Output Power vs Supply Voltage, AD-mode
TPA3221 D006_SLASEE9.gif
Figure 6. System Efficiency vs Output Power, AD-mode
TPA3221 D008_SLASEE9.gif
Figure 8. System Efficiency vs Output Power, AD-mode
TPA3221 D010_SLASEE9.gif
Figure 10. Output Power vs Case Temperature, AD-mode
TPA3221 D012_SLASEE9.gif
18 kHz + 19 kHz Ratio 1 : 1
Figure 12. CCIF Intermodulation, AD-mode
TPA3221 D014_SLASEE9.gif
Figure 14. Power Supply Rejection Ratio vs Frequency, AD-mode
TPA3221 D026_SLASEE9.gif
Figure 16. Idle Current vs Supply Voltage
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