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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In your video, the power supply is set to 7.

TDAA 10 Watt Stereo Amplifier | NightFire Electronics LLC

It might sound like you hit the “loudness” button on an 70’s stereo. You can either get a stronger source of power more Ampere! And I specifically tdda2009a Ampere so that you don’t increase the volts I’m running the IC 8V. Try the usual retailers dta2009a mouser, digikey, element14, adafruit He probably has a stock or an extremely cheap source of obsolete parts and is trying to make money with inferior products.

It doesn’t have any undervoltage detection, so it’s no surprise that. More likely not even in the last 25 years.

TDA2009A 10+10W Stereo Audio Amp

If I connect a speaker 8 ohm, about 10W to the right input or the left input, the fda2009a is just great. There’s literally thousands out there which aren’t as terrible. By the way, thanks for your quick answer: Go to the website of the former manufacturer of the TDAA it’s http: It doesn’t have any undervoltage detection, so it’s no surprise that When I start about 2.


When I connect it, it still does that ticking sound and the music is quite distorted.

Dj Sushi 18 5. Sign up or log in Sign up using Google. EBay from China is always a bad idea. Sign up using Facebook. When I start about 2. They probably haven’t been produced in the last 15 years, really. When Tva2009a bump it up to about 4V, the sound it totally distorted.

Well, thank you for your advanced answer, I really appreciate it. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Home Questions Tags Users Unanswered. 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.

The amperes are just fine, check out the video. By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy tda2009s and cookie policyand that your continued use of the website is subject to these policies. 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.


But when I connect another speaker the same as the first one to the other output either right or leftone of the speakers starts a weird ticking noise on the bass speaker. Again, the Ttda2009a is positively ancient.

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

It’s running about 0. Increase the voltage to at least 10V. Even if DIY audio enthusiast often swear by some older amplifier designs, this IC is simply not worth using in the year 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. I’ve built this according to the schematic provided in the images, but I’ve changed the capacitor connected to VCC and GND at pin 9 of the IC to uF and uF with no change I’ve done this because of my lack of capacitors at home. 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.