1W BTL Mono amplifier electronic kit using a TDA IC. Designed for battery- fed portable audio applications. Type, Through Hole. Operating Temperature, -. Supplier Device Package, 8- DIP. Package / Case, 8-DIP (“, mm). Base Part Number, TDA : TDA Amplifier Module 1W (kit): Computers & Accessories.
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TDA | TDA NXP, Audio Amplifier, 8-Pin PDIP Mono | RS Components
And here are the input and output waveforms Yellow waveform taken at pin 8, with reference to system ground:.
If the chip still overheats, it could be faulty. Home Questions Tags Users Unanswered. The TDA was designed for an 8 ohm unit. Sign up using Email and Password. Sign up using Facebook. Sign up or log in Sign up using Google. Sign up or log in Sign up using Google.
amplifier – Unexpected results with TDA – Electrical Engineering Stack Exchange
Try putting a pot on the input, as a volume control. I already know that the speaker and the amplifier can work well together, because they were salvaged from another circuit. Leonardo Rossi 80 8. It’s a high-gain amplifier and might be oscillating if you built the circuit on a breadboard. That way it is possible to do without the output capacitor saves money and tsa7052.
Home Questions Tags Users Unanswered. Curd the word ‘offset’ usually refers to the steady-state DC level – ie: And here are the input and output waveforms Yellow waveform taken at pin 8, with reference to system ground: I also used nF electrolytic capacitor, since I don’t tda70552 any ceramic at the moment.
I’ll try with a PCB and a nF capacitor next. If the IC is getting hot, well it needs to be mounted to a heat sink. Sign up using Facebook.
So, the input is being driven with a signal generator with the parameters displayed. Why are you using a 50 ohm speaker?
Here’s the effect of increasing volume on a sine wave: So far I have been able to achieve amplification, with a little distortion.
What did you do with both outputs the circuit diagram doesn’t show? How did you measure the output? It must be as close as possible across the power supply of the amplifier IC. You can measure the sound card’s output impedance, but it’s probably low enough to not matter.
Guill 2, 4 5.