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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I don’t want to blow up my speakers. When I connect it, it still does that ticking sound and the music is quite distorted.

Increase the voltage to at least 10V. More likely not even in the last 25 years. It’s nice that you know your seller personally, but he’s selling you ICs that are marked as “obsolete” at digikey, mouser and other larger retailers, and ta2009a the original manufacturer ST doesn’t even list anymore. In your video, the power supply is set to 7.

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The amperes are just fine, check out the video. By the way, thanks for your quick answer: Is there any way to stop the weird ticking? 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. Some larger seller has a large stock of them. You can either get a stronger source of power more Ampere!


EBay from China is always a bad idea. Anyway, is it a good idea to find an AB amp on www. It’s running about 0.

Sign up using Email and Password. Sign up or log in Sign up using Google. They probably haven’t been produced in the last 15 years, really.

I’m running the IC 8V. Post Your Answer Tca2009a By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies. I’m still recommending a not-as-obsolete amplifier ICs.

TDAA NTE Equivalent NTE IC – DUAL 10W STEREO – Wholesale Electronics

Again, the IC is positively ancient. There’s literally thousands out there which aren’t as terrible. The chip needs something between 8 and 28 V to work properly. By clicking “Post Your Answer”, you acknowledge that tva2009a have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies. It’s a 30W 5A power supply.

TDA2009A 10+10W Stereo Audio Amp

He probably has a stock or an extremely cheap source of obsolete parts and is trying to make money with inferior products. St doesn’t even list then on their products page. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. There’s nothing comparably good about it. Go to the website of the former manufacturer of the TDAA it’s http: Dj Sushi 18 5. This would apply to the general case, but you specifically undervolt the IC.


So you’re simply operating out of the specifications of that IC. Don’t just buy anything your local seller recommends. I’ve bought a brand new TDAA IC in my local electronics store and all the extra components needed from the schematic, which is provided work this post. That is bad style. It might sound like you hit the “loudness” button on an 70’s stereo. It doesn’t have any undervoltage detection, so it’s no surprise that When I start about 2. When I bump it up to about 4V, the sound it totally distorted.

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