JAJSKP7 December   2020 TAS5822M

PRODUCTION DATA  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
  4. 4 Revision History
    1.     Device Comparison Table
  5. 5 Pin Configuration and Functions
  6. 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 Modulation, Fsw = 768kHz
      2. 6.7.2 Parallel Bridge Tied Load (PBTL) Configuration Curves with 1SPW Modulation, Fsw = 768kHz
    8. 6.8 Parametric Measurement Information
      1. 6.8.1 Power Consumption Summary
  7. 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
    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 Minimize EMI with Spread Spectrum
      4. 7.4.4 Minimize EMI with channel to channel phase shift
      5. 7.4.5 Minimize EMI with Multi-Devices PWM Phase Synchronization
      6. 7.4.6 Thermal Foldback
      7. 7.4.7 Device State Control
      8. 7.4.8 Device Modulation
        1. 7.4.8.1 BD Modulation
        2. 7.4.8.2 1SPW Modulation
        3. 7.4.8.3 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 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 Over current 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 Over Voltage Protection
          5. 7.5.3.3.5 Under Voltage Protection
          6. 7.5.3.3.6 Clock Fault
    6. 7.6 Register Maps
      1. 7.6.1 CONTROL PORT Registers
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 2.0 (Stereo BTL) System
      2. 8.2.2 MONO （PBTL) System
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
          1. 8.2.2.2.1 Bootstrap Capacitors
          2. 8.2.2.2.2 Inductor Selections
          3. 8.2.2.2.3 Power Supply Decoupling
          4. 8.2.2.2.4 Output EMI Filtering
        3. 8.2.2.3 Application Performance Plots
  9. 9 Power Supply Recommendations
    1. 9.1 DVDD Supply
    2. 9.2 PVDD Supply
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 General Guidelines for Audio Amplifiers
      2. 10.1.2 Importance of PVDD Bypass Capacitor Placement on PVDD Network
      3. 10.1.3 Optimizing Thermal Performance
        1. 10.1.3.1 Device, Copper, and Component Layout
        2. 10.1.3.2 Stencil Pattern
          1. 10.1.3.2.1 PCB footprint and Via Arrangement
          2. 10.1.3.2.2 Solder Stencil
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 サポート・リソース
    2. 11.2 Trademarks
    3. 11.3 静電気放電に関する注意事項
    4. 11.4 用語集
  12. 12Mechanical, Packaging, and Orderable Information

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
サーマルパッド・メカニカル・データ
発注情報

6.6 Timing Requirements

MIN NOM MAX UNIT
Serial Audio Port Timing - Slave Mode
fSCLK SCLK frequency 1.024 MHz
tSCLK SCLK period 40 ns
tSCLKL SCLK pulse width, low 16 ns
tSCLKH SCLK pulse width, high 16 ns
tSL SCLK rising to LRCLK/FS edge 8 ns
tLS LRCK/FS Edge to SCLK rising edge 8 ns
tSU Data setup time, before SCLK rising edge 8 ns
tDH Data hold time, after SCLK rising edge 8 ns
tDFS Data delay time from SCLK falling edge 15 ns
I2C Bus Timing – Standard
fSCL SCL clock frequency 100 kHz
tBUF Bus free time between a STOP and START condition 4.7 µs
tLOW Low period of the SCL clock 4.7 µs
tHI High period of the SCL clock 4 µs
tRS-SU Setup time for (repeated) START condition 4.7 µs
tS-HD Hold time for (repeated) START condition 4 µs
tD-SU Data setup time 250 ns
tD-HD Data hold time 0 3450 ns
tSCL-R Rise time of SCL signal 20 + 0.1CB 1000 ns
tSCL-R1 Rise time of SCL signal after a repeated START condition and after an acknowledge bit 20 + 0.1CB 1000 ns
tSCL-F Fall time of SCL signal 20 + 0.1CB 1000 ns
tSDA-R Rise time of SDA signal 20 + 0.1CB 1000 ns
tSDA-F Fall time of SDA signal 20 + 0.1CB 1000 ns
tP-SU Setup time for STOP condition 4 µs
CB Capacitive load for each bus line 400 pf
I2C Bus Timing – Fast
fSCL SCL clock frequency 400 kHz
tBUF Bus free time between a STOP and START condition 1.3 µs
tLOW Low period of the SCL clock 1.3 µs
tHI High period of the SCL clock 600 ns
tRS-SU Setup time for (repeated)START condition 600 ns
tRS-HD Hold time for (repeated)START condition 600 ns
tD-SU Data setup time 100 ns
tD-HD Data hold time 0 900 ns
tSCL-R Rise time of SCL signal 20 + 0.1CB 300 ns
tSCL-R1 Rise time of SCL signal after a repeated START condition and after an acknowledge bit 20 + 0.1CB 300 ns
tSCL-F Fall time of SCL signal 20 + 0.1CB 300 ns
tSDA-R Rise time of SDA signal 20 + 0.1CB 300 ns
tSDA-F Fall time of SDA signal 20 + 0.1CB 300 ns
tP-SU Setup time for STOP condition 600 ns
tSP Pulse width of spike suppressed 50 ns
CB Capacitive load for each bus line 400 pf
GUID-FB5996F1-A74B-4697-A390-4534941CBBFA-low.gif Figure 6-1 Serial Audio Port Timing in Slave Mode
GUID-007EEC04-AB8D-494A-B4D6-2173E47D33BB-low.gif Figure 6-2 I2C Communication Port Timing Diagram