tda2003 power ic | Electronic Schematic Diagram https://electronicscheme.net Schematic Diagram & PCB Design Wed, 24 Jun 2015 21:30:51 +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 tda2003 power ic | Electronic Schematic Diagram https://electronicscheme.net 32 32 129969089 7 Watt Audio Amplifier with IC TDA2003 https://electronicscheme.net/7-watt-audio-amplifier-with-ic-tda2003/?utm_source=rss&utm_medium=rss&utm_campaign=7-watt-audio-amplifier-with-ic-tda2003 https://electronicscheme.net/7-watt-audio-amplifier-with-ic-tda2003/#comments Thu, 03 Sep 2009 06:53:43 +0000 http://electronicscheme.net/?p=231 This is an amplifier circuit with gain music output power up to 7W. It uses IC TDA2003 as main component. This 7 watt audio amplifier […]

The post 7 Watt Audio Amplifier with IC TDA2003 first appeared on Electronic Schematic Diagram.]]> This is an amplifier circuit with gain music output power up to 7W. It uses IC TDA2003 as main component. This 7 watt audio amplifier circuit is small but powerful multi purpose amplifier.

7 Watt Audio Amplifier with IC TDA2003 circuit diagram

IC TDA2003 provides a high output current capability (up to 3.5A) very low harmonic and cross-over
distortion.

Completely safe operation is guaranteed due to protection against DC and AC short circuit between all pins and ground, thermal over-range, load dump voltage surge up to 40V and fortuitous open ground.

Components List:

R1     : 470
R2     : 4.7
R3     : 100
R4     : 1
C1     : 8n2 (822)
C2,C3  : 100nF (104;0.1u;.1u)
C4     : 10uF/25V
C5     : 470uF/25V
C6, C7 : 1000uF/25V
IC     : TDA2003

Amplifier Specifications:

  • Power output: 7W / 4ohm
  • RMS output: 3.5W / 4ohm or 2W / 8ohm
  • Total harmonic distortion: 0.05% (1W / 1kHz)
  • Frequency response: 20Hz to 20kHz (-3dB)
  • Signal/noise ratio: 86dB (A weighted)
  • Input sensitivity: 40mV / 150Kohm
  • Overload and short-circuit protected
  • Supply voltage: 15V DC (8 to 18V DC possible) / 0.5A

Download the detail circuit, schematic diagram and component part of this “7 Watt Audio Amplifier with IC TDA2003” in PDF version:

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7W Amplifier Circuit TDA2003

1 file(s) 223.87 KB
Download Circuit Manual

Download TDA2003 Datasheet Document:

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TDA2003 datasheet

1 file(s) 154.26 KB
Download Datasheet

The kit version of 7 Watt audio amplifier with IC TDA2003:

7W Amplifier TDA2003 Kit

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