TDA2822 amplifier circuit diagram stereo 2x 1W, TDA2822 is an ideal Op amp for low output applications. It is a good choice as a preamplifier in stereo high power amplifier circuits. It has two inputs and two outputs which can deliver 250 milli watts output power. The amplifier circuit within the IC is well set for noise free operation. Outputs can be directly coupled to the speakers through the decoupling capacitors.
Schematic amplifier dual (stereo) – TDA2822
Characteristics for tda2822
- supply voltage down to 1.8v
- low crossover distortion
- low quiescent current
- bridge or stereo configuration
The TDA2822M is a monolithic integrated circuit in 8 lead Minidip package. It is intended for use as dual audio power amplifier in portable radios.
BOM to assemble the amplifier.
Last Update: 07/08/2021 14:41
|Resistors 1/4W 5%|
|P1||10K||10K Potentiometer (103)||1|
|R3, R4||4.7||Yellow, violet, red, gold.||2|
|R3, R4||10K||Brown, black, orange, gold.||2|
|C1, C2||10uF/16V||Electrolytic Capacitor||2|
|C3, C8, C9||100nF||Ceramic Capacitor or Film||3|
|C4, C5, C10||100uF/16V||Electrolytic Capacitor||3|
|C6, C7||470uF/16V||Electrolytic Capacitor||2|
|IC1||TDA2822||Audio amplified integrated circuit.||1|
|CN1||IN (Audio Input)||Terminal block 3 pin 5.08 mm||1|
|CN2||VCC (Power Supply)||Terminal block 2 pin 5.08 mm||1|
|CN3||OUT (Audio Output)||Terminal block 3 pin 5.08 mm||1|
|Solder, Wires, PCB, Case, Power Supply, etc.|
The power supply for this circuit can be from batteries or a power supply of 3 to 12 volts for 1 ampere, if necessary put a heat sink on the integrated circuit, for details see the IC datasheet.
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Download the files of this assembly, including the printed circuit board in PDF, PNG, Postscript and Gerber.
This IC is evaluatable as TDA2822m, tda2822l, tda2822d and tda2822a and TDA2822H
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