LM837, LF347
Quad low-noise operational amplifiers.

     +----------+
1OUT |1  +--+ 14| 4OUT
-1In |2       13| -4In
+1In |3       12| +4In
 VCC |4 LM837 11| VEE
+2In |5       10| +3In
-2In |6        9| -3In
2OUT |7        8| 3OUT
     +----------+

[This information is part of the GIICM]

For the LM837, you have the LF347 shown in the pinout as an equivalent.
THis may be a nit-pick, but they are not really identical, as the LM837 is
a quad equivalent of the LM833/NE5532 low-noise audio op-amp. The LF347 is
a JFET amplifier that is noisier and cannot drive 600 ohms.

Paul Grohe <grohe@galaxy.nsc.com>