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Looking for 6 channel pga with multiplexer
Looking for 6 channel pga with multiplexer
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Old 14th December 2012, 06:36 PM   #1
ITPhoenix is offline ITPhoenix  United States
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Join Date: Mar 2012
Location: New York
Default Looking for 6 channel pga with multiplexer

Hi. I have a 6 electret mic array. They have to be mixed and each must have its own gain control. Preferably, the option to totally open the input may be desirable. The output will be mono analog through a inverting summing opamp. SPI or I2C... does not matter.

I suppose if only a stereo component is available, the second channel could be dropped.

I found the Microchip MCP6S26 but I am not sure something like this is good for a 300Hz--10kHz application. MCP6S26

A tighter gain control is desired rather than a few steps. I do not understand what "32v/v" means, so if someone could shed light, that would be good.

If anyone has any ideas, I would be happy to hear them.


Last edited by ITPhoenix; 14th December 2012 at 07:16 PM. Reason: Corrected link
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