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Class D Switching Power Amplifiers and Power D/A conversion

Infineon MA12070 Class D
Infineon MA12070 Class D
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Old 12th January 2020, 11:54 PM   #21
oon_the_kid is offline oon_the_kid  Malaysia
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Quote:
Originally Posted by xrk971 View Post
China does not ship to Singapore? You might look at some IRS29092 amps - they actually sound really nice and have gobs of power. Not sure why they are not more popular. Available for like $20 on Aliexpress/eBay for 200W amp. They do require dual rail supplies.
Strangely enough, when I went to their site, it links to their Ebay site. And that is the message i received from the Ebay site. Maybe i would write into the directly and see what happens.

Oon
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Old 14th January 2020, 01:58 PM   #22
eclipsevl is offline eclipsevl  Russian Federation
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Originally Posted by xrk971 View Post
If anyone has experience with this new chip please share.
That was 2 years ago before Merus was acquired by Infineon.

This is MA12070P, with the I2S interface. Later I did another revision of PCB with Schottky diodes added to protect the IC from overstressing (you can see results on the photo attached).

The sound was good thou, I still have a couple of PCBs and IC's to play with. However, I did not compare it with my TAS5548+TAS5162 amp.
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Old 15th January 2020, 02:24 AM   #23
smslmandy is offline smslmandy
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Hi, my name is Mandy, an employee of SMSL.

This is the link of SA300, can be sent from the EU:
SMSL SA300 Digital power Amplifier – hifiexpress1

This IC is very precise, not suitable for DIY.
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Old 15th January 2020, 02:29 PM   #24
xrk971 is offline xrk971  United States
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Infineon MA12070 Class D
Beware of the above link to hifiexpress. The moment I clicked on it, Avast quarantined a trojan malware...
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