ZHCSJM6A April   2019  – October 2019 TAS6421-Q1

PRODUCTION DATA.  

1. 1 特性
2. 2 應用
3. 3 說明
   1.     功能方框圖
4. 4 修訂歷史記錄
5. 5 說明（續(xù)）
6. 6 Device Options
7. 7 Pin Configuration and Functions
   1.     Pin Functions
8. 8 Specifications
   1. 8.1 Absolute Maximum Ratings
   2. 8.2 ESD Ratings
   3. 8.3 Recommended Operating Conditions
   4. 8.4 Thermal Information
   5. 8.5 Electrical Characteristics
   6. 8.6 Typical Characteristics
9. 9 Parameter Measurement Information
10. 10Detailed description
    1. 10.1 Overview
    2. 10.2 Functional Block Diagram
    3. 10.3 Feature Description
       1. 10.3.1  Serial Audio Port
          1. 10.3.1.1 I2S Mode
          2. 10.3.1.2 Left-Justified Timing
          3. 10.3.1.3 Right-Justified Timing
          4. 10.3.1.4 TDM Mode
          5. 10.3.1.5 Supported Clock Rates
          6. 10.3.1.6 Audio-Clock Error Handling
       2. 10.3.2  DC Blocking
       3. 10.3.3  Volume Control and Gain
       4. 10.3.4  High-Frequency Pulse-Width Modulator (PWM)
       5. 10.3.5  Gate Drive
       6. 10.3.6  Power FETs
       7. 10.3.7  Load Diagnostics
          1. 10.3.7.1 DC Load Diagnostics
          2. 10.3.7.2 Line Output Diagnostics
          3. 10.3.7.3 AC Load Diagnostics
             1. 10.3.7.3.1 Impedance Magnitude Measurement
             2. 10.3.7.3.2 Impedance Phase Reference Measurement
             3. 10.3.7.3.3 Impedance Phase Measurement
       8. 10.3.8  Protection and Monitoring
          1. 10.3.8.1 Overcurrent Limit (ILIMIT)
          2. 10.3.8.2 Overcurrent Shutdown (ISD)
          3. 10.3.8.3 DC Detect
          4. 10.3.8.4 Clip Detect
          5. 10.3.8.5 Global Overtemperature Warning (OTW), Overtemperature Shutdown (OTSD)
          6. 10.3.8.6 Channel Overtemperature Warning [OTW(i)] and Shutdown [OTSD(i)]
          7. 10.3.8.7 Undervoltage (UV) and Power-On-Reset (POR)
          8. 10.3.8.8 Overvoltage (OV) and Load Dump
       9. 10.3.9  Power Supply
          1. 10.3.9.1 Vehicle-Battery Power-Supply Sequence
             1. 10.3.9.1.1 Power-Up Sequence
             2. 10.3.9.1.2 Power-Down Sequence
          2. 10.3.9.2 Boosted Power-Supply Sequence
       10. 10.3.10 Hardware Control Pins
           1. 10.3.10.1 FAULT
           2. 10.3.10.2 WARN
           3. 10.3.10.3 MUTE
           4. 10.3.10.4 STANDBY
    4. 10.4 Device Functional Modes
       1. 10.4.1 Operating Modes and Faults
    5. 10.5 Programming
       1. 10.5.1 I2C Serial Communication Bus
       2. 10.5.2 I2C Bus Protocol
       3. 10.5.3 Random Write
       4. 10.5.4 Sequential Write
       5. 10.5.5 Random Read
       6. 10.5.6 Sequential Read
    6. 10.6 Register Maps
       1. 10.6.1  Mode Control Register (address = 0x00) [default = 0x00]
          1. Table 9. Mode Control Field Descriptions
       2. 10.6.2  Miscellaneous Control 1 Register (address = 0x01) [default = 0x32]
          1. Table 10. Misc Control 1 Field Descriptions
       3. 10.6.3  Miscellaneous Control 2 Register (address = 0x02) [default = 0x62]
          1. Table 11. Misc Control 2 Field Descriptions
       4. 10.6.4  SAP Control (Serial Audio-Port Control) Register (address = 0x03) [default = 0x04]
          1. Table 12. SAP Control Field Descriptions
       5. 10.6.5  Channel State Control Register (address = 0x04) [default = 0x55]
          1. Table 13. Channel State Control Field Descriptions
       6. 10.6.6  Channel 1 Volume Control Register (address = 0x05) [default = 0xCF]
          1. Table 14. Ch 1 Volume Control Field Descriptions
       7. 10.6.7  DC Load Diagnostic Control 1 Register (address = 0x09) [default = 0x00]
          1. Table 15. DC Load Diagnostics Control 1 Field Descriptions
       8. 10.6.8  DC Load Diagnostic Control 2 Register (address = 0x0A) [default = 0x11]
          1. Table 16. DC Load Diagnostics Control 2 Field Descriptions
       9. 10.6.9  DC Load Diagnostic Report 1 Register (address = 0x0C) [default = 0x00]
          1. Table 17. DC Load Diagnostics Report 1 Field Descriptions
       10. 10.6.10 DC Load Diagnostics Report 3 Line Output Register (address = 0x0E) [default = 0x00]
           1. Table 18. DC Load Diagnostics Report 3 Line Output Field Descriptions
       11. 10.6.11 Channel State Reporting Register (address = 0x0F) [default = 0x40]
           1. Table 19. State-Reporting Field Descriptions
       12. 10.6.12 Channel Faults (Overcurrent, DC Detection) Register (address = 0x10) [default = 0x00]
           1. Table 20. Channel Faults Field Descriptions
       13. 10.6.13 Global Faults 1 Register (address = 0x11) [default = 0x00]
           1. Table 21. Global Faults 1 Field Descriptions
       14. 10.6.14 Global Faults 2 Register (address = 0x12) [default = 0x00]
           1. Table 22. Global Faults 2 Field Descriptions
       15. 10.6.15 Warnings Register (address = 0x13) [default = 0x20]
           1. Table 23. Warnings Field Descriptions
       16. 10.6.16 Pin Control Register (address = 0x14) [default = 0x00]
           1. Table 24. Pin Control Field Descriptions
       17. 10.6.17 AC Load Diagnostic Control 1 Register (address = 0x15) [default = 0x00]
           1. Table 25. AC Load Diagnostic Control 1 Field Descriptions
       18. 10.6.18 AC Load Diagnostic Control 2 Register (address = 0x16) [default = 0x00]
           1. Table 26. AC Load Diagnostic Control 2 Field Descriptions
       19. 10.6.19 AC Load Diagnostic Impedance Report Ch1 Register (address = 0x17) [default = 0x00]
           1. Table 27. Ch1 AC LDG Impedance Report Field Descriptions
       20. 10.6.20 AC Load Diagnostic Phase Report High Register (address = 0x1B) [default = 0x00]
           1. Table 28. AC LDG Phase High Report Field Descriptions
       21. 10.6.21 AC Load Diagnostic Phase Report Low Register (address = 0x1C) [default = 0x00]
           1. Table 29. AC LDG Phase Low Report Field Descriptions
       22. 10.6.22 AC Load Diagnostic STI Report High Register (address = 0x1D) [default = 0x00]
           1. Table 30. AC LDG STI High Report Field Descriptions
       23. 10.6.23 AC Load Diagnostic STI Report Low Register (address = 0x1E) [default = 0x00]
           1. Table 31. Ch1 AC LDG STI Low Report Field Descriptions
       24. 10.6.24 Miscellaneous Control 3 Register (address = 0x21) [default = 0x00]
           1. Table 32. Misc Control 3 Field Descriptions
       25. 10.6.25 Clip Control Register (address = 0x22) [default = 0x01]
           1. Table 33. Clip Control Field Descriptions
       26. 10.6.26 Clip Window Register (address = 0x23) [default = 0x14]
           1. Table 34. Clip Window Field Descriptions
       27. 10.6.27 Clip Warning Register (address = 0x24) [default = 0x00]
           1. Table 35. Clip Warning Field Descriptions
       28. 10.6.28 ILIMIT Status Register (address = 0x25) [default = 0x00]
           1. Table 36. ILIMIT Status Field Descriptions
       29. 10.6.29 Miscellaneous Control 4 Register (address = 0x26) [default = 0x40]
           1. Table 37. Misc Control 4 Field Descriptions
11. 11Application and Implementation
    1. 11.1 Application Information
       1. 11.1.1 AM-Radio Band Avoidance
       2. 11.1.2 Demodulation Filter Design
       3. 11.1.3 Line Driver Applications
    2. 11.2 Typical Applications
       1. 11.2.1 BTL Application
          1. 11.2.1.1 Design Requirements
             1. 11.2.1.1.1 Communication
          2. 11.2.1.2 Detailed Design Procedure
             1. 11.2.1.2.1 Hardware Design
             2. 11.2.1.2.2 Digital Input and the Serial Audio Port
             3. 11.2.1.2.3 Bootstrap Capacitors
             4. 11.2.1.2.4 Output Reconstruction Filter
       2. 11.2.2 Application Curves
12. 12Power Supply Recommendations
13. 13Layout
    1. 13.1 Layout Guidelines
       1. 13.1.1 Electrical Connection of Thermal pad and Heat Sink
       2. 13.1.2 EMI Considerations
       3. 13.1.3 General Guidelines
    2. 13.2 Layout Example
    3. 13.3 Thermal Considerations
14. 14器件和文檔支持
    1. 14.1 文檔支持
       1. 14.1.1 相關文檔
    2. 14.2 接收文檔更新通知
    3. 14.3 社區(qū)資源
    4. 14.4 商標
    5. 14.5 靜電放電警告
    6. 14.6 Glossary