design. Obviously I'm borrowing from everywhere I can. From what I
understand the 9958, 9959 are better even with their 10bit vs 14bit
DACs. I'm going on faith...
BTW, take note of the release date of the datasheet. I was fooled by
looking only at the rev level. The 9958, 9959 are from late 2005 vs
2003 or so for some of the other chips.
As far as soldering goes, I don't think AD will go backwards to fine
pitch leads so it looks like learning to solder the LFCSP is the
only way to stay up with the latest and greatest.
The conductor does wrap around the side a bit. My first attempt will
be to do the soldering pin by pin to that area. If necessary I'll
try the paste and oven approach. I've got an oven I bought just for
SMD work but haven't yet tried it.
It's only money...
73
jim ab3cv
--- In [email protected], [EMAIL PROTECTED] wrote:
>
> Looks like the AD9951 part is gaining in popularity in a dual
> configuration and I was wondering why the AD9859 part couldn't be
used in
> a dual configuration ? Does it not have the same lower spur
level ?, it's
> a 10bit DAC, cheaper, etc. I would also think the AD9958 dual part
offers
> too many package problems (for me anyway) with it's LFCSP vs the
other
> TQFP. Since my applications are digital and I look for the high
speed
> comparators like on the AD9952, what's a good external comparator
to use
> ?
>
> 73 Kees K5BCQ
>
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