mini amplifier diagram | Electronic Schematic Diagram https://electronicscheme.net Schematic Diagram & PCB Design Sat, 27 Jun 2015 23:03:51 +0000 en-US hourly 1 https://i0.wp.com/electronicscheme.net/wp-content/uploads/2017/05/cropped-transparent_text_effect.png?fit=32%2C32&ssl=1 mini amplifier diagram | Electronic Schematic Diagram https://electronicscheme.net 32 32 129969089 1W Audio Amplifier with TDA7052 https://electronicscheme.net/1w-mono-amplifier/?utm_source=rss&utm_medium=rss&utm_campaign=1w-mono-amplifier https://electronicscheme.net/1w-mono-amplifier/#respond Tue, 25 Aug 2009 14:14:39 +0000 http://electronicscheme.net/?p=210 This is the circuit diagram of 1W audio amplifier which use TDA7052 as the main component and other 5 pieces of components to support the […]

The post 1W Audio Amplifier with TDA7052 first appeared on Electronic Schematic Diagram.]]> This is the circuit diagram of 1W audio amplifier which use TDA7052 as the main component and other 5 pieces of components to support the main component. The ideal supply voltage of this circuit is about 6-12V and no heatsink required. The schematic is for mono audio channel, just build two similar circuit for stereo channel.

1W Mono Amplifier

Components :

  • R1 : 1K ohm resistor
  • R2 : 10K ohm log potentiometer
  • C1 : 2.2uF/16V electrolytic capacitor
  • C2 : 100nF ceramic/mono
  • C3 : 100uF electrolytic
  • TDA7052 Integrated Circuit
  • 8 pin IC socket


1W Audio Amplifier Specifications :

  • D.C. input : 3 ? 15 V at < 300 mA.
  • Idle current < 8 mA, 4 mA typical. Power output > 1 Watt @ 8 ohms maximum.
  • > 0.25 Watt RMS continuous
  • Freq. Resp. > 20 Hz ? 20 kHz
  • ~ 10 ? 50 kHz, ? 3dB
  • THD < 1 % @ 100 mW, 0.2% Typ. S/N ratio > 70 dBA
  • Gain ~ 30 dB maximum.
  • Input Z ~ 10 k ohm.

If you prefer to buy the kit of this circuit, just go the electronickits.com.
The tutorial also available in PDF format, download the file here:

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1W Audio Amplifier

1 file(s) 111.75 KB
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Download the datasheet of TDA7052 here:

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TDA7052 Datasheet

1 file(s) 47.46 KB
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1W Audio Amplifier Circuit with TDA7052

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