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Old 8th November 2007, 03:21 AM   #1
Paswa is offline Paswa  India
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Default TDA7297 how good

I want to construct a 15+15 Watt Amp using TDA7297. I'll use it to power up my sattelite spekars. Anybody made it ? How good it is ? or how bad ? or has it any specific issue ?

Or do u recommend any other 15+15 W IC for using to power up sattelite spks. the input'll be from PC.

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Old 26th June 2008, 11:29 AM   #2
superR is offline superR  Netherlands
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I tried using the chips but somehow this chip hasn't produced any sound. PSU is fine, 16 Vcd. 7.5 Vcd Mute/StandBy signal and the sinewave gets to the chip, BUT, the output is veerrry low and it is not a sine! What am I doing wrong? This chip seems very easy to use so I feel kind of stupid. I have used the ST datasheet..

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Old 26th June 2008, 03:44 PM   #3
guoming is offline guoming  China
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chip amp too simple.
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Old 26th June 2008, 07:02 PM   #4
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You could try an LM1876 for that amount of power. Or two LM1875 with an amp in each speaker.
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Old 27th June 2008, 04:51 AM   #5
Paswa is offline Paswa  India
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YeH! LM1875*2 is the best option. I realized
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