STA 540 Devre şeması

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STA540 / TDA7375 DIY Guide - 38W / 35W Stereo Bridge / 13W Quad Single Chip Power Amplifiers​

STA540 application​

Quick facts STA540​

• Power output: 2x 34W into 8 ohms at 10% 1kHz distortion with power supply 22V
• Power output: 2x 38W into 4 ohms at 10% 1kHz distortion with power supply 18V
• Power output: 4x 7W into 8 ohms at 10% 1kHz distortion with power supply 22V
• Power output: 4x 11W into 4 ohms at 10% 1kHz distortion with power supply 18V
• Power output: 2x 18W into 8 ohms at 1% 1kHz distortion with power supply 18V
• Power output: 2x 8W into 8 ohms at 1% 1kHz distortion with power supply 12V
• Gain: 26dB fixed in bridge mode, 20dB fixed in single ended mode
• Power supply: 8V to 22V single supply
• Class AB

Stereo plus bridge drive / 2.1 application​

 

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Quad single ended / quadraphonic application​

 

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Microprocessor control​

Note: I've not built and tested these chips on a microprocessor, therefore the above schematic is not verified, but should be fine. Contact me if you've verified it yourself.