ZHCSFZ6 December   2016 TAS6422-Q1

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 修订历史记录
  5. 5 说明（续）
  6. 6 Device Comparison Table
  7. 7 Pin Configuration and 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 Timing Requirements
    7. 8.7 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  High-Pass Filter
      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
      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
        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]
      2. 10.6.2  Miscellaneous Control 1 Register (address = 0x01) [default = 0x32]
      3. 10.6.3  Miscellaneous Control 2 Register (address = 0x02) [default = 0x62]
      4. 10.6.4  SAP Control (Serial Audio-Port Control) Register (address = 0x03) [default = 0x04]
      5. 10.6.5  Channel State Control Register (address = 0x04) [default = 0x55]
      6. 10.6.6  Channel 1 Through 2 Volume Control Registers (address = 0x05-0x06) [default = 0xCF]
      7. 10.6.7  DC Load Diagnostic Control 1 Register (address = 0x09) [default = 0x00]
      8. 10.6.8  DC Load Diagnostic Control 2 Register (address = 0x0A) [default = 0x11]
      9. 10.6.9  DC Load Diagnostic Report 1 Register (address = 0x0C) [default = 0x00]
      10. 10.6.10 DC Load Diagnostics Report 3 Line Output Register (address = 0x0E) [default = 0x00]
      11. 10.6.11 Channel State Reporting Register (address = 0x0F) [default = 0x55]
      12. 10.6.12 Channel Faults (Overcurrent, DC Detection) Register (address = 0x10) [default = 0x00]
      13. 10.6.13 Global Faults 1 Register (address = 0x11) [default = 0x00]
      14. 10.6.14 Global Faults 2 Register (address = 0x12) [default = 0x00]
      15. 10.6.15 Warnings Register (address = 0x13) [default = 0x20]
      16. 10.6.16 Pin Control Register (address = 0x14) [default = 0x00]
      17. 10.6.17 AC Load Diagnostic Control 1 Register (address = 0x15) [default = 0x00]
      18. 10.6.18 AC Load Diagnostic Control 2 Register (address = 0x16) [default = 0x00]
      19. 10.6.19 AC Load Diagnostic Impedance Report Ch1 through CH2 Registers (address = 0x17-0x18) [default = 0x00]
      20. 10.6.20 AC Load Diagnostic Phase Report High Register (address = 0x1B) [default = 0x00]
      21. 10.6.21 AC Load Diagnostic Phase Report Low Register (address = 0x1C) [default = 0x00]
      22. 10.6.22 AC Load Diagnostic STI Report High Register (address = 0x1D) [default = 0x00]
      23. 10.6.23 AC Load Diagnostic STI Report Low Register (address = 0x1E) [default = 0x00]
      24. 10.6.24 Miscellaneous Control 3 Register (address = 0x21) [default = 0x00]
      25. 10.6.25 Clip Control Register (address = 0x22) [default = 0x01]
      26. 10.6.26 Clip Window Register (address = 0x23) [default = 0x14]
      27. 10.6.27 Clip Warning Register (address = 0x24) [default = 0x00]
      28. 10.6.28 ILIMIT Status Register (address = 0x25) [default = 0x00]
      29. 10.6.29 Miscellaneous Control 4 Register (address = 0x26) [default = 0x40]
  11. 11Application and Implementation
    1. 11.1 Application Information
      1. 11.1.1 AM-Radio Band Avoidance
      2. 11.1.2 Parallel BTL Operation (PBTL)
      3. 11.1.3 Demodulation Filter Design
      4. 11.1.4 Line Driver Applications
    2. 11.2 Typical Application
      1. 11.2.1 BTL Application
        1. 11.2.1.1 Design Requirements
        2. 11.2.1.2 Communication
        3. 11.2.1.3 Detailed Design Procedure
          1. 11.2.1.3.1 Hardware Design
          2. 11.2.1.3.2 Digital Input and the Serial Audio Port
          3. 11.2.1.3.3 Bootstrap Capacitors
          4. 11.2.1.3.4 Output Reconstruction Filter
        4. 11.2.1.4 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器件和文档支持
    1. 14.1 文档支持
      1. 14.1.1 相关文档
    2. 14.2 接收文档更新通知
    3. 14.3 社区资源
    4. 14.4 商标
    5. 14.5 静电放电警告
    6. 14.6 Glossary
  15. 15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 Pin Configuration and Functions

DKQ Package
56-Pin HSSOP With Exposed Thermal Pad
Top View
TAS6422-Q1 56-HSSOP_TAS6422.gif

Pin Functions

PIN TYPE(1) DESCRIPTION
NAME NO.
AREF 4 PWR VREG and VCOM bypass capacitor return
AVDD 8 PWR Voltage regulator bypass
AVSS 7 PWR AVDD bypass capacitor return
BST_1M 31 PWR Bootstrap capacitor connection pins for high-side gate driver
BST_1P 35 PWR Bootstrap capacitor connection pins for high-side gate driver
BST_2M 37 PWR Bootstrap capacitor connection pins for high-side gate driver
BST_2P 41 PWR Bootstrap capacitor connection pins for high-side gate driver
FAULT 26 DO Reports a fault (active low, open drain), 100-kΩ internal pullup resistor
FSYNC 14 DI Audio frame clock input
GND 1 GND Ground
11
17
18
28
33
36
39
46
49
52
GVDD 9 PWR Gate drive voltage regulator , derived from VBAT input pin.
10 Gate drive voltage regulator , derived from VBAT input pin.
I2C_ADDR0 22 DI I2C address pins
I2C_ADDR1 23
MCLK 12 DI Audio master clock input
MUTE 25 DI Mutes the device outputs (active low), 100-kΩ internal pulldown resistor
OUT_1M 32 NO Negative output for the channel
OUT_1P 34 PO Positive output for the channel
OUT_2M 38 NO Negative output for the channel
OUT_2P 40 PO Positive output for the channel
NC 44 NC No connect
NC 45 NC
NC 47 NC
NC 48 NC
NC 50 NC
NC 51 NC
NC 53 NC
NC 54 NC
PVDD 2 PWR PVDD voltage input (can be connected to battery)
29
30
42
43
55
56
SCL 20 DI I2C clock input
SCLK 13 DI Audio bit and serial clock input
SDA 21 DI/O I2C data input and output
SDIN1 15 DI TDM data input and audio I2S data input for channels 1 and 2
STANDBY 24 DI Enables low power standby state (active Low), 100-kΩ internal pulldown resistor
VBAT 3 PWR Battery voltage input
VCOM 6 PWR Bias voltage
VDD 19 PWR 3.3-V external supply voltage
VREG 5 PWR Voltage regulator bypass
WARN 27 DO Clip and overtemperature warning (active low, open drain), 100-kΩ internal pullup resistor
TEST 16 DI Internal test pin, connect to GND
Thermal Pad — GND Provides both electrical and thermal connection for the device. Heatsink must be connected to GND.
(1) GND = ground, PWR = power, PO = positive output, NO = negative output, DI = digital input, DO = digital output, DI/O = digital input and output, NC = no connection
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