[sdiy] Audio quality switch chips??

Tom Bugs admin at bugbrand.co.uk
Thu Sep 25 11:06:26 CEST 2014


Yes to all said before - the DG ranges (think I've used 403, 408, 409, 
442 in designs) are the way to go - cross compare Vishay and Intersil as 
they seem to have slightly different offerings.

I've not really looked at Maxim chips - they don't always seem commonly 
available - and looking at the MAX4053 now, well.. the power is 
basically the same as regular 4000 series.
I haven't seen any DG range direct replacements for the 4052/3 (4051 is 
easy enough as a simple 8/1 mux)

For completeness, Analog Devices also do some Analog Switches - ADG 
range - but, as with most AD chips, they seem overly expensive!

On 25/09/2014 04:34, The Old Crow wrote:
> I've used DG508/9 for a long time for both audio and DC switching.  
> They'll run fine at +/-12 or 15v with the control inputs still 
> responding to logic levels.  I've used DG2xx, 4xx as well.  Cost is 
> significantly higher, but they're worth it. --Crow
>
> /**/
>
> On 9/24/2014 4:29 PM, Dan Snazelle wrote:
>> I've tried the 4053 (from plus and minus 7.5 v supplies) and was 
>> quite unimpressed with the end result.
>>
>> Even with attenuation it had a noticeable impact on the sound quality
>>
>> So...I'm looking for advice from people on a high quality CMOS style 
>> chip ( logic levels don't matter) that can handle audio up to +/10v 
>> audio)
>>
>>
>
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