>I need advice regarding a Serial DAC,  either 10 or 12 bits.
>I would prefer an Analog Devices package.

I have used the Analog Devices AD5326 which is a 12 bit I2C interface DAC.
There are 4 in a package, with each having a separate reference input. Also
has a pin that you can pulse to make all DACs update at the same time if
this is critical. Very nice device. They also have 8 and 10 bit versions
that are pin compatible. There are two address lines on the package so you
can have up to 16 DAC channels made from these in a system. Only problem is
that it is available only in a surface mount package. Also available as an
SPI interface (AD5226 IIRC).

>There are so many different ones availavle I am totally
>confused  of which one to get.

Yeah I know that feeling. You have to start by determining which parameters
are the important ones, such as package, speed and number of bits, then
factor in price.

>If you have used a Serial DAC in a project and it worked well
>please send me the part number. I plan to use a PIC to drive it.

Well these worked very nicely for me using a PIC to drive them.

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