My CDP uses M5238 op amps in the I/V stage. Before replacing
them I would at least want to know what they actually are, but
I have failed to find data sheets for them. I know the pinout and
they seem to be low-noise JFET input, probably manufactured
by Mitsubishi (but they seem not to make op amps ).
I have also found a cross-reference table which suggest they
may be equivalent to NJM2082, for which I have data sheets.
Can somebody fill in with more data about these op amps, or
even supply (a link to) the data sheet?
Thanks in advance
them I would at least want to know what they actually are, but
I have failed to find data sheets for them. I know the pinout and
they seem to be low-noise JFET input, probably manufactured
by Mitsubishi (but they seem not to make op amps ).
I have also found a cross-reference table which suggest they
may be equivalent to NJM2082, for which I have data sheets.
Can somebody fill in with more data about these op amps, or
even supply (a link to) the data sheet?
Thanks in advance
Only found this link:
http://www.geocities.com/SiliconValley/Hills/5574/opamp.htm#Tigabelas
I know them and replacing them by another Fet input type like OPA2604 / OP275 / OPA2134 will be better for your ears.
Jean-Paul
http://www.geocities.com/SiliconValley/Hills/5574/opamp.htm#Tigabelas
I know them and replacing them by another Fet input type like OPA2604 / OP275 / OPA2134 will be better for your ears.
Jean-Paul
Thanks Jean-Paul,
that at least seconds the info that it is equivalent to NJM2082.
The low-noise claim I found somewhere seems not quite correct
then. Anyway, OPA2134 and OPA2604 are the ones I intended
to try for a start. I don't really know what parameters may be
most important for I/V-conversion?
BTW, it was listed as a Mitsubishi IC in your ref. too. Yet when
checking the web pages of Mitsubishi Semiconductors, they
seem not to make any op amps at all. Strange.
that at least seconds the info that it is equivalent to NJM2082.
The low-noise claim I found somewhere seems not quite correct
then. Anyway, OPA2134 and OPA2604 are the ones I intended
to try for a start. I don't really know what parameters may be
most important for I/V-conversion?
BTW, it was listed as a Mitsubishi IC in your ref. too. Yet when
checking the web pages of Mitsubishi Semiconductors, they
seem not to make any op amps at all. Strange.
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