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Teardown of a TDA7375 audio amplifier IC

Posted on Wednesday, April 12th, 2017 in Teardowns by DP

pics-audio_amp_all-600

A teardown of a TDA7375 audio amplifier IC from Electronupdate:

The TDA7375 audio power amplifier.
Another example of a long-lived integrated circuit.  1st introduced in 1998… looks like it’s still being made.

Check out the video after the break.

This entry was posted on Wednesday, April 12th, 2017 at 11:55 pm and is filed under Teardowns. You can follow any responses to this entry through the RSS 2.0 feed. You can skip to the end and leave a response. Pinging is currently not allowed.

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Recent Comments

  • Pekka Akselin: This is ridiculous!? :-) We are back at 256(!) byte EPROMs that needed multiple, a handful, of voltages to run! :-(
  • KH: Let's try a back-of-envelope calc balancing energies. From MCP1700 datasheet, there are graphs for a 200mA load step. Estimate the energy shortfall as 12uJ. Say...
  • Daniel: It's been a week and my comment is still awaiting moderation. Apparently the CIA doesn't want their involvement known?
  • KH: Agree, so okay, I guess he must have learned from somewhere. 100nF and 1000uF is so far apart, that was jarring; it's more magic incantation...
  • Max: I have a suspicion the hefty electrolytic cap might be some sort of cargo cult carry-over from other RF-based projects - for instance, I've seen...