November 30, 2018

TDA7262 PDF

Amplifier IC 2-Channel (Stereo) Class AB Multiwatt. TDA datasheet, TDA circuit, TDA data sheet: STMICROELECTRONICS – 20+20W STEREO AMPLIFIER WITH STAND-BY, alldatasheet. TDA – STMicroelectronics – Download PCB Footprint & Schematic Symbol, Datasheet, Pinout in Altium, Eagle, KiCAD, DesignSpark, CADSTAR, OrCAD.

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This question has answers that may be good or bad; the system has marked it active so that they can be reviewed. The device is switched off until pin 3 reaches 0.

I must design a pcb with datasheet specifications but I don’t understand pin 3 and the 0. You can check TDA for a more thorough explanation on how it is supposed to work. You can mute it again by just discharging the capacitor with a transistor switch, I think. I found something that said its to eliminate the thump the speaker gives off when power is applied or removed to and from the amplifier. It’s not the same IC but the function is similar. 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.

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As the capacitor charges, it reaches a specific voltage and an internal comparator halts the muting effect.

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When power is applied, you could hold pin 3 low for x seconds using a RC circuit or a voltage regulator or voltage supervisor or a microcontroller, enough time for the main voltage to stabilize and for the amplifier to be fully on. I’ve done my research on it but I cant find much.

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Post as a guest Name. This is used for sensitive applications or circuit’s Where a brown out voltage behavior is unwelcomed. Post Your Dta7262 Discard 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.

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Luqmaan 18 1 1 5. The capacitor has two behaviors: As to the thump, that requires a sort of logic to make happen.

When the voltage at ttda7262 pin is close to ground, the output is muted. I think they’ve managed to combine these two functions into one by using a capacitor.

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You could run an RC filter to the supply voltage to get a power on delay. If pin 3 is connected to at least 0. If pin 3 is disconnected or tdx7262, the amplifier output is disabled.

Doing the same when power is disconnected is much more complicated.