Re: Audio Switcher Help



Jon Slaughter wrote:

I'm trying to use the MAX4571 essentially to mute some audio channels,

http://www.maxim-ic.com/quick_view2.cfm?t=qv&qv_pk=1974#Applications%2FUses

Just using a series switch ?


I got the controller to work

What 'controller' ?


and it seems fine. My test was to put V+ on the
input and scope the output(with a pull down to ground for when the switch is
off). It seems to work fine. My code simply toggles the state the switches
every 1s or so.

So what did you see ?


But when I put an audio signal on the input instead I get the negative half
clipped and it is extremely attentuated(About 1/10 or more).

Given an absence of a negative supply, I dare say it may have trouble passing AC
signals. What did you expect ?

The data *** does not show any negative voltages allowable. You're using an
inappropriate part.

Graham

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