[sdiy] Appearance of many SSM2300 chips

Tim tim.parkhurst at gmail.com
Sun May 29 02:48:08 CEST 2011


Dang, I've got to add a few of those my Mouser order!

Tim (If it walks like a DAC...) Servo
---
Imagination is more important than knowledge - Albert Einstein

On May 28, 2011, at 4:32 PM, Veronica Merryfield <veronica at merryfield.ca> wrote:

> 
> On 2011-05-28, at 4:13 PM, Tom Wiltshire wrote:
> 
>> Secondly, is such a chip actually useful any more? It seems to me that it probably isn't. Using a single DAC with multiplexers is a bit redundant in this age of many multichannel DACs, and this particular multiplexer doesn't seem to have sufficient accuracy to make you have second thoughts ("High accuracy: 8-bits absolute, 12 bit linearity" they say in the datasheet).
> 
> I guess that depends on the relative prices. It should be possible to construct a sample and hold mulitplexer for a DAC output to 12 bit, memory moog style but I am beginning to suspect that there is no cost advantage - MAX5500A, 12 bit, 0.75INL quad output for circa $6. 
> 
> Get that deja vu feeling TimP - had a chance to play with them yet?
> 
> Veronica
> 
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