Will this be the breakthrough on the consumer market?

el`Ol · 28th February 2008, 04:44 AM

One chip, digital input, feedback, integrated EQ
http://www.ti.com/corp/docs/landing/...tal_bc_tas5706

audiosteve · 28th February 2008, 06:36 AM

The TI part is hardly a breakthrough. This one with built in SRC, ADC and DSP has been out for a while and is in quite a few consumer products already.

http://www.cirrus.com/en/products/pro/detail/P1109.html

el`Ol · 28th February 2008, 07:53 AM

Does it have feedback?
Maybe I´m wrong, but in my opinion this is the reason why AB still dominates the chip amp market, and why the Tripath failed, despite of its sonic superiority.

phase_accurate · 28th February 2008, 09:55 AM

Quote:

Does it have feedback?
Maybe I´m wrong, but in my opinion this is the reason why AB still dominates the chip amp market, and why the Tripath failed, despite of its sonic superiority.

You may call me stupid but I don't get what you want to tell us with this statement since both of these use feedback.

Regarding breakthrough:

I think the closer to a linear amp a switching amp behaves the more it will succeed.

Regards

Charles

el`Ol · 28th February 2008, 10:18 AM

I don´t know anything about the Crystal, but the Tripath didn´t have the power transistors in the feedback loop, making it very load (and PSU) dependent.

phase_accurate · 28th February 2008, 10:28 AM

I don't know about the "chip-only" solutions but the high-power versions (i.e. the modulator/driver modules that you had to use with a pair of power MOSFETs) definitely used feedback from the power stage. What they didn't was use was post-filter feedback for unknown reasons.

Regards

Charles

el`Ol · 28th February 2008, 10:33 AM

TI also don´t have post-filter feedback, but they claim their chip even achives good results with the backlight PSU of an LCD TV.

Gyula · 2nd March 2008, 11:20 PM

Hi!

Do you know where is the feedback in this 5706 amp?

Gyula

28th February 2008, 04:44 AM	#1
el`Ol diyAudio Member Join Date: May 2005 Location: Bavarian Forest	Will this be the breakthrough on the consumer market? One chip, digital input, feedback, integrated EQ http://www.ti.com/corp/docs/landing/...tal_bc_tas5706

28th February 2008, 06:36 AM	#2
audiosteve diyAudio Member Join Date: May 2004 Location: Niwot, CO	The TI part is hardly a breakthrough. This one with built in SRC, ADC and DSP has been out for a while and is in quite a few consumer products already. http://www.cirrus.com/en/products/pro/detail/P1109.html __________________ Nihilism is best done by professionals.

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28th February 2008, 07:53 AM	#3
el`Ol diyAudio Member Join Date: May 2005 Location: Bavarian Forest	Does it have feedback? Maybe I´m wrong, but in my opinion this is the reason why AB still dominates the chip amp market, and why the Tripath failed, despite of its sonic superiority.

28th February 2008, 10:18 AM	#5
el`Ol diyAudio Member Join Date: May 2005 Location: Bavarian Forest	I don´t know anything about the Crystal, but the Tripath didn´t have the power transistors in the feedback loop, making it very load (and PSU) dependent.

28th February 2008, 10:28 AM	#6
phase_accurate diyAudio Member Join Date: May 2002 Location: Switzerland	I don't know about the "chip-only" solutions but the high-power versions (i.e. the modulator/driver modules that you had to use with a pair of power MOSFETs) definitely used feedback from the power stage. What they didn't was use was post-filter feedback for unknown reasons. Regards Charles

28th February 2008, 10:33 AM	#7
el`Ol diyAudio Member Join Date: May 2005 Location: Bavarian Forest	TI also don´t have post-filter feedback, but they claim their chip even achives good results with the backlight PSU of an LCD TV.

2nd March 2008, 11:20 PM	#8
Gyula diyAudio Member Join Date: Feb 2004 Location: Kunszentmárton, Hungary	Hi! Do you know where is the feedback in this 5706 amp? Gyula

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