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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