PGA2310 v PGA4311

daArry · 17th February 2005, 05:38 PM

Hey there,

Does anyone prefer one over the other? I'm wanting to use these chips in a analog mixer and control them via MIOS (ucapps.de). I assumed the +/-15 2310 would be the one to roll with as there'd be more headroom but after searching on the forum I read that the +/-5 4311 might have lower distortion? the 4 chan 4311 would be ideal tho as the mixer I'm converting comes in 4chan strips...

While I'm here can I ask about a suitable i/o buffer for the PGA...I was gonna use an INA134 for a balanced input rcvr, so assume I can go from that straight to the PGA but what about a low output impedence buffer which is needed before going to the summing buss? Something discreat (maybe biased to classA) perhaps?

All ideas/comments appreciated

Cheers!

p2mine · 12th April 2005, 07:52 AM

Hi there!

I also plan on using PGA4311 as volume control for my 4.1 system.
I plan on using the PGA as in the datasheet from TI.
The exit it will be connected directly to the filters(see http://www.c7obs.net/~relu/diy/amplif/schematic3.jpg)
I don't know yet how am I going to sent the data bytes to tha PGA, but I'm considering a USB/RS232 adapter for the beggining.
In the future, maybe a controller with some LCD....

How do you plan to send the gain data?

Good whises!

relu

17th February 2005, 05:38 PM	#1
daArry diyAudio Member Join Date: Oct 2004	PGA2310 v PGA4311 Hey there, Does anyone prefer one over the other? I'm wanting to use these chips in a analog mixer and control them via MIOS (ucapps.de). I assumed the +/-15 2310 would be the one to roll with as there'd be more headroom but after searching on the forum I read that the +/-5 4311 might have lower distortion? the 4 chan 4311 would be ideal tho as the mixer I'm converting comes in 4chan strips... While I'm here can I ask about a suitable i/o buffer for the PGA...I was gonna use an INA134 for a balanced input rcvr, so assume I can go from that straight to the PGA but what about a low output impedence buffer which is needed before going to the summing buss? Something discreat (maybe biased to classA) perhaps? All ideas/comments appreciated Cheers!

Thread Tools	Search this Thread
Show Printable Version Email this Page	Search this Thread: Advanced Search

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
PGA4311 600ohm input source impedance	DragonMaster	Chip Amps	19	25th November 2007 03:25 PM
pga4311	p2mine	Digital Source	0	7th August 2005 04:02 PM
Multi channel attenuator withPGA2311/PGA4311	paradigm	Chip Amps	56	15th October 2004 04:16 PM
my own pga2310 pre-amp :)	veteran	Digital Source	22	31st August 2004 05:02 PM
PGA4311 ... Yes! four channels	sonnya	Parts	16	10th July 2003 09:33 AM

New To Site?	Need Help?
Register to Participate Search Privacy Statement Contact Us	Frequently Asked Questions Did you forget your password? Mark Forums Read


	Please consider donating to help us continue to serve you. Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving

12th April 2005, 07:52 AM	#2
p2mine diyAudio Member Join Date: Jun 2004 Location: cluj	Hi there! I also plan on using PGA4311 as volume control for my 4.1 system. I plan on using the PGA as in the datasheet from TI. The exit it will be connected directly to the filters(see http://www.c7obs.net/~relu/diy/amplif/schematic3.jpg) I don't know yet how am I going to sent the data bytes to tha PGA, but I'm considering a USB/RS232 adapter for the beggining. In the future, maybe a controller with some LCD.... How do you plan to send the gain data? Good whises! relu

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)