2 Watts audio power bridge amplifier IC TDA2822 – volume control

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General integrated amplifier circuit external components and need more larger heatsink. This paper presents a simple amplifier circuit, made easy. TDA2822 amplifier integrated circuits used in music players, portable DVD and other audio playback; power is not great but you can satisfy the requirements of the hearing, and the circuit is simple, good sound quality, wide voltage range of characteristics such as the amateur production Small amp better choice.

This is a small amplifier using TDA2822 chip. Including volume control. A 12 volt power supply is ideal for supply, which can be a source with batteries or transformer. It is not necessary to use heat sink.

Circuit audio amplifier in bridge (bridge) using the ic tda2822 with volume control – 2 watts

Circuit audio amplifier in bridge (bridge) using the ic tda2822 with volume control - 2 wattsScheme for mounting the circuit click to enlarge

Printed circuit board for amplifier tda2822

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Amplifier TDA2822 IC PCB
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Amplifier TDA2822 IC PCB

 

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For a stereo version is only set up two identical circuits, and a dual pot to adjust the volume.

List of components for assembly of the amplifier tda2822

Component
Value
C1 10nF
C2 100nF
C3 100nF
C4 110µF/16v
C5 10µF/16v
ENTRADA Connector audio input
IC1 TDA2822
P1  50K – potentiometer
R1 10K
R2 4.7
R3 4.7
SAIDA Connector audio output
VCC Connector power supply

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12 thoughts on “2 Watts audio power bridge amplifier IC TDA2822 – volume control”

  1. friend thanks for the circuit helped me a lot .. I can say it is called the program that where you have the components. are very real, I would greatly appreciate digest the name of that program thanks in advance

    Reply
  2. cordial saludo:
    amigo gracias por el circuito me sirvió de mucho.. me pueden decir como se llama el programa ese donde tiene los componentes. se ven muy reales le agradecería mucho que me digieran el nombre de ese programa de antemano gracias

    Reply
  3. Hi Toni Thankx for the circuit . But Can you tell me That how to Deliver maximum Wattage From this 2822 amp By providing it 3.7 Volts , As your circuit is based upon 12 Volts , Please solve my this query .Thak you

    Reply
  4. Hi, I’ve been looking for a SPICE model for the TDA2822 without any luck. I’ve done numerous web searches and checked the ST site. I’ve even emailed their Tech. Support without any response.
    Do you have any ideas where I might find one?
    Regards
    Graeme

    Reply

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Crash Course Electronics and PCB Design
Crash Course Electronics and PCB Design
DC circuits, operational amplifiers, EXERCISES, SIMULATIONS
DC circuits, operational amplifiers, EXERCISES, SIMULATIONS