SDAA409 June   2026 TAS2020 , TAS2118 , TAS2120 , TAS2320

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2Application Schematics
    1. 2.1 Recommended Component Ratings
  6. 3Design Guidelines
    1. 3.1 Hardware Control Reference Schematic
    2. 3.2 Hardware Control Reference PCB Layout
      1. 3.2.1 GND Connections
      2. 3.2.2 Power Connections
      3. 3.2.3 Output Connections
      4. 3.2.4 GREG Connection
      5. 3.2.5 Input and SEL Connections
    3. 3.3 Software Control Reference Schematic
    4. 3.4 Software Control Reference PCB Layout
  7. 4Summary
  8. 5References

3.4 Software Control Reference PCB Layout

The following figures show a similar implementation as Section 3.2 but for I2C mode. All GND, GREG, Power and Output connections are the same, just changing the SEL pins for I2C control instead.

Top (Red) and Bottom (Blue) Layer – Software Control Reference PCB LayoutFigure 3-9 Top (Red) and Bottom (Blue) Layer – Software Control Reference PCB Layout
Top (Red) and Bottom (Blue) Layer – GND Connections SW ControlFigure 3-10 Top (Red) and Bottom (Blue) Layer – GND Connections SW Control
Top (Red) and Bottom (Blue) Layer – Power Connections SW ControlFigure 3-11 Top (Red) and Bottom (Blue) Layer – Power Connections SW Control
Top (Red) and Bottom (Blue) Layer – Output Connections SW ControlFigure 3-12 Top (Red) and Bottom (Blue) Layer – Output Connections SW Control
Top (Red) and Bottom (Blue) Layer – GREG Connection SW ControlFigure 3-13 Top (Red) and Bottom (Blue) Layer – GREG Connection SW Control