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120W mono class d with 100V output line

Dost Muhamamd
Prodigy 10 points
Other Parts Discussed in Thread: TAS5630B

Hi All

This is my first post here, I am starting my first Audio Amplifier project and I need Help to get started. 
My design requirements are 

Class D Mono 120W for 4 ohm Speakers

output should be 100V without use of heavy step up transformers to feed the speakers through 100V distribution network

I would also like to be able to control Volume digitally 

I would ask for help in getting started for this design , I will like to buy soem evalaution/development kits also

thanks in advance 

  • 0
    TI__Guru**** 189399 points

    Hi, Dost,

    welcome to e2e and thanks for your interest in our devices. 

    Unfortubately, we don't have much info on 100V systems. 

    We have the LME49830 which might work, but I can't really offer you much support on it, and we don't have an EVM for it. 

    You could also look at the tas5630b and use a low ratio step up transformer. That is probably your best bet. 

    d2