BA5406 | Electronic Schematic Diagram https://electronicscheme.net Schematic Diagram & PCB Design Fri, 26 Jun 2015 01:20:51 +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 BA5406 | Electronic Schematic Diagram https://electronicscheme.net 32 32 129969089 2 x 3W Stereo Audio Amplifier with IC BA5406 https://electronicscheme.net/2x3w-audio-amplifier-with-ic-ba5406/?utm_source=rss&utm_medium=rss&utm_campaign=2x3w-audio-amplifier-with-ic-ba5406 https://electronicscheme.net/2x3w-audio-amplifier-with-ic-ba5406/#respond Mon, 31 Aug 2009 02:17:38 +0000 http://electronicscheme.net/?p=221 This is 2 x 3W stereo audio amplifier based on IC power BA5406. This circuit which will give you 3W power in each channel. This […]

The post 2 x 3W Stereo Audio Amplifier with IC BA5406 first appeared on Electronic Schematic Diagram.]]> This is 2 x 3W stereo audio amplifier based on IC power BA5406. This circuit which will give you 3W power in each channel. This circuit will be great for indoor audio system.

2 x 3W Stereo Audio Amplifier with IC BA5406 circuit diagram

Components List:

R1, R2 = 120 ohm
R3, R4 = 2R2 ohm

C1, C2, C11, C12 = 220nF nonpolar capacitor
C3, C4, C5, C6, C7, C8 = 47uF/16V electrolytic capacitor
C9,  C10 = 470uF/16V electrolytic capacitor

IC = BA5406


The BA5406 contains two sets of AF power amplifiers. It delivers 5W x 2 into 3 ohm loads with a 12V supply. The BA5406 has good low-voltage characteristics, and the “pop” sound when power is applied is small. It generates little radio-band noise, minimal RF radiation.

Recommended supply voltage: 5-15V max. Typical 12V. Ideally the power supply should be able to deliver over 2.5Amps. This means that a typical “cheap” plugin power supply (wall wart) will not be good enough. The power supply leads should be as short as possible. Quiescent current 20-70mA, typically 40mA.

Download the manual of 2x3W Audio Amplifier with IC BA5406 in PDF version:

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3W Stereo Audio Amplifier

1 file(s) 21.24 KB
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Download the BA5406 datasheet:

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BA5406 datasheet

1 file(s) 141.54 KB
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3W stereo amplifier kit

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