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Chipamp IC amp kits & PC boards from ChipAmp

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Old 14th June 2011, 01:23 PM   #1
VikramRaj4ever is offline VikramRaj4ever  India
diyAudio Member
Join Date: Feb 2011
Location: Mandi Dabwali
Default TDA7293 Bridge Parallel Circuit

Hello, I want to make TDA7293 Bridge/Parallel Amp (as like BPA200 LM3886 Amp).
TDA7293 datasheet show parallel circuit & TDA7294 datasheet show bridge circuit.

I want to know about TDA7294 bridge circuit where capacitor in series with 680 ohm resistor is not connected & why 22k ohm resistor connected between inverting pin of one chip and output pin of another chip.

If i use same bridge circuit of TDA7294 in TDA7293 than what change must be done. If i connect bootstrap pin with bootstrap loader pin than a capacitor is required or not in series with 680 ohm resistor.

I want to use TDA7293 in Parallel because these not reruired precision resistor value for gain setting in parallel mode. (as like BPA200)


Please answer. Thanks
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