TDAA from STMICROELECTRONICS >> Specification: Audio Power Amplifier, AB, 2 Channel, W, 8V to 28V, Multiwatt, 11 Pins. Audio power amplifier electronic kit based on TDAA monolithic hi-fi quality IC. Dual class AB outputs, designed for high quality stereo applications. TDAA NTE Equvilent NTE IC – DUAL 10W STEREO AMP VCC = 24V TYPICAL LEAD SIP. NTE Data Sheet Data Sheet. NTE.

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You’re probably just overloading your power supply with two speakers. The datasheet looks like it’s from the mids, at the very least.

Again, the IC is positively ancient. It might sound like you hit the “loudness” button on an 70’s stereo. It’s a 30W 5A power supply. When I bump it up to tea2009a 4V, the sound it totally distorted. In your video, the power supply is set to 7. By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use tea2009a the website is subject to these policies.

There’s nothing comparably good about it. Don’t just buy anything your local seller recommends. When I connect both speakers to one channel, even at bigger volumes, it goes just fine. There’s literally thousands out there which aren’t as terrible.


He probably has a stock or an extremely cheap source of obsolete parts and is trying to make money with inferior products.

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Home Questions Tags Users Unanswered. I’ve actually requested the IC from my seller, because I thought that it is some kind of good quality for a low price, as I’m quite a beginner in electronics. You can often get them for free tda2009 samples, or for tdx2009a money at online retailers. One more thing I forgot to mention: EBay from China is always a bad idea.

When I connect it, it still does that ticking sound and the music is quite distorted. It doesn’t have any undervoltage detection, so it’s no surprise that.

Anyway, is it a good idea to find an AB amp on www. They probably haven’t been produced in tda22009a last 15 years, really. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Dj Sushi 18 5. They are really brand new.

More likely not even in the last 25 years. When I rise it again to about 7V, the sound is really good, but one of the speakers starts to do that tick tick tick When I start about 2.

I do personnally know the seller and he sells a lot of these every day, so he has to buy new one like every week or so. Increase the voltage to at least tda0209a.


TDAA 10+10W Stereo Audio Amp | Rapid Online

Try the usual retailers – mouser, digikey, element14, adafruit I’m still recommending a not-as-obsolete amplifier ICs. Or combine any of these measures – especially since the tdaa has been declared obsolete by the last major manufacturer ST for a while now, it’s very likely you’ll find better amplifier ICs.

It’s running about 0. It doesn’t have any undervoltage detection, so it’s no surprise that When I start about 2. And I specifically mentioned Ampere so that you don’t increase the volts If I connect a speaker 8 ohm, about 10W to the right input or the left input, the sound is just great.

You can either get a stronger source of power more Ampere! Go to the website of the former manufacturer of the TDAA it’s http: I’m running the IC 8V. I’d claim “it goes just fine” is not really true. EDIT See my other answer. Even if DIY audio enthusiast often swear by some older amplifier designs, this IC is simply not worth using in the year The chip needs something between 8 and 28 V to work properly.

The amperes are just fine, check out the video. That is bad style.