Infineon MERUS MA12070P, User Manual, Page: 3 / 28

Application Note 3 of 28 V 1.0
2019-04-28
User manual for MA120xxx reference boards
Board overview
1 Board overview
The reference board (RFB) is a reference and demonstration board for Infineon’s MA12040, MA12040P, MA12070
and MA12070P amplifiers. See the board in Figure 1 with MA12070 mounted.
It contains a variety of digital/analog input, output and set-up/selection features. It also contains one on-board
power supply (5 V buck converter), so only one external power supply (PVDD) is necessary.
Figure 1 Reference board PCB
The board can be used for evaluating or demonstrating key features/advantages of the MERUS
TM
Audio
technology:

Energy efficiency
−
Power losses under normal user operating conditions (listening levels)
−
Idle power loss

Adaptive power management system

No output filter components
−
Solution cost and size reduction

Audio performance
−
THD performance and audio quality

Fast product protyping
−
All design files are available
−
Guides as reference for product design-in