TIDUFC9 May   2025

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6.   6
  7. 1System Description
    1. 1.1 Key System Specifications
  8. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Design Considerations
      1. 2.2.1 Codec Design
      2. 2.2.2 Class-D Amplifier
        1. 2.2.2.1 Audio Filter Design
      3. 2.2.3 Power Design
      4. 2.2.4 EMC, EMI Design Considerations
    3. 2.3 Highlighted Products
      1. 2.3.1 TAC5312-Q1
      2. 2.3.2 TAS5441-Q1
      3. 2.3.3 LMR43620-Q1
      4. 2.3.4 TPS7A52-Q1
      5. 2.3.5 TPD2E007
  9. 3Hardware, Testing Requirements, and Test Results
    1. 3.1 Hardware Requirements
      1. 3.1.1 Board Connection
      2. 3.1.2 Configuring the Board
    2. 3.2 Software Requirements
      1. 3.2.1 Firmware for Bench Tests
    3. 3.3 Test Setup
    4. 3.4 Test Results
      1. 3.4.1 Audio Performance
      2. 3.4.2 Power Tests
      3. 3.4.3 EMI, EMC Test Results
  10. 4Design and Documentation Support
    1. 4.1 Design Files
      1. 4.1.1 Schematics
      2. 4.1.2 Bill of Materials
      3. 4.1.3 PCB Layout Recommendations
        1. 4.1.3.1 Layout Prints
      4. 4.1.4 Altium Project
      5. 4.1.5 Gerber Files
      6. 4.1.6 Assembly Drawings
    2. 4.2 Documentation Support
    3. 4.3 Support Resources
    4. 4.4 Trademarks
  11. 5About the Author

1.1 Key System Specifications

Table 1-1 Key System Specifications
PARAMETER SPECIFICATIONS MINIMUM TYPICAL MAXIMUM UNIT
Input voltage 12V Car battery 4.5 14.4 40 V
Standby current TAS5441-Q1 Standby mode,
TAC5312-Q1 reset

5

 μA
Speaker load 2 4 6 Ω
Output power 4Ω Load 8 W
ESD protection on line out IEC 61000-4-2 contact ±8 kV
IEC 61000-4-2 air-gap ±15
Audio input, audio output Digital audio I2S input, speaker output microphone input, digital audio I2S output
ESD protection ESD protection needed on line output
EMC requirements, EMI requirements CISPR 25 class 5 radiated emissions
Operating temperature –40

125

 °C
Form factor 3.35in × 4.5in