SSM2210 datasheets?

Magnus Danielson magnus at analogue.org
Fri May 8 20:01:32 CEST 1998


>>>>> "SB" == Scott Bernardi <scott.bernardi at fritz.com> writes:

 SB> Anybody know where I can get the datasheet for the SSM2210 log-antilog
 SB> module? Newark Electronics (http://www.newark.com) has them listed for
 SB> $4.03, and that sounds like a good alternative to hunting down matched
 SB> transistor pairs and tempco resistors. It's not on the Analog Devices site
 SB> (another out of production chip)?

I pulled out my PMI databook that has the SSM2210 datasheet. It is
nothing else than a pair of matched transistors and it requires just
the same support cursuit as MAT-02 to become an log-antilog converter.
It also requires an tempco resistor (the logarithmic amplifier example
lists a Tel Labs Q81E resistor with +0.35%/C).

It could be that Analog Devices discontiued it since they found
themselfs with too many similar products.

Cheers,
Magnus



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