SLAAEU7
February 2025
TAS5805M
1
Abstract
1
Power Architecture of a Class-D Digital Audio Amplifier and Its Loss Breakdown
2
Improving Audio Amplifier Efficiency with Class-H Mode
2.1
How Class-H Mode Improves Efficiency
2.2
TI's Digital Class-H Innovation
3
Improving Efficiency With External GVDD and AVDD and Considerations
3.1
Testing Power Saving from External GVDD and AVDD and Testing the Impact on Audio Metrics
3.2
Considerations for External GVDD and AVDD:
3.2.1
Voltage Range of External GVDD and AVDD:
3.2.2
Sequence Requirements for External GVDD and AVDD:
4
Summary
5
References
Application Note
How to Improve the Efficiency of TAS58xx Audio Amplifier