Re: AD561JN DAC compatibility

From: Andrew Welburn <andy_at_andysarcade.net>
Date: Tue Oct 30 2012 - 11:29:35 EDT

Well could be, but with a ceramic in place, the noise went away :) if i
had the time and wanted to really use the plastic, i could add a cap and
find out.. but as it was, i just popped in ceramic and shelved the
plastic for now..

Andrew Welburn
http://www.andys-arcade.com

On 30/10/2012 15:24, John Robertson wrote:
> Andrew Welburn wrote:
>> Yes, however i have found thet the plastic versions can be a little
>> 'noisier' ie, adding spikes to vectors. This might have just been the
>> particular one or two that i have seen, but i've had to replace
>> plastic ones with cermaic to fix problems before.
>>
>> Andrew Welburn
>> http://www.andys-arcade.com
>
> Could that have been poorer noise rejection requiring some extra HF
> bypass caps on the Vcc lines right at the device? As a side note, I
> recall IC sockets that had pre-soldered in caps across the power pins
> (7-14 or 7-16) back in the day...
>
> John :-#)#
>>
>> On 30/10/2012 05:47, Ian Eure wrote:
>>> Has anyone used an AD561JN in a vector board successfully? I poked
>>> around the datasheet, and it looks like the only difference is that
>>> JN uses a plastic housing instead of the ceramic used by the JD
>>> chips. They're rated the same in every other regard, so I assume they
>>> will work the same, but I thought I'd ask to see if anyone has done it.
>
>
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Received on Tue Oct 30 11:29:48 2012

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