Saturday, August 23, 2014

12W HiFi Stereo Audio Amplifier

12W

Here is the schema of a 2X12 watt HiFi stereo audio amplifier schema using IC TDA 2616 from Phillips. A quiet simple and robust schema using very less components. This makes the schema ideal for a portable power amplifier. The schema delivers 12 W power on 8 Ohm speaker for each channel at +/- 12 V dual supply.

The TDA2616 is a stereo power amplifier IC comes in a 9-lead single-in-line (SIL9) plastic power package (SOT131). This IC is specially designed for mains fed amplifier diagram, such as stereo radio, tape and television . The IC has good gain balance of both channels and Hi-fi in accordance with IEC 268 and DIN 45500 standards. Also the IC TDA 2616 has special inbuilt schema for the suppression of noise signals at the inputs, during switch-on and switch-off. This prevents click sounds during power on and power off.

Notes.

  • All capacitors except C10 & C9 are ceramic.
  • All capacitors must be rated 50V.
  • Use a well regulated and filtered +/- 12 V dual power supply that is able to provide at least 2 A continuous current.

TDA 2616 Pin assignment & layout.

12W


source: diagramtoday.com

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