The LMx01 family of op-amps was designed by the legendary Bob Widlar in the late 1960s, and still remains one of the best op-amps in its class. One interesting feature of this op-amp is that it is uncompensated, meaning that the compensation capacitor that is usually present on-die is broken out into two pins, so the user can compensate the op-amp according to their needs, which will be covered later in this article.
LM301 Pinout Configuration
Pin Number
Pin Name
Description
1
BAL/COMP
Shared pin for frequency and offset compensation
2
– INPUT
Inverting input
3
+ INPUT
Non-inverting input
4
V-
Negative supply pin
5
BAL
Offset compensation pin
6
OUTPUT
Op-amp output
7
V+
Positive supply pin
8
COMP
Frequency compensation pin
Features and Specifications
3mV offset voltage, 100nA bias, and 20nA offset current
Slew rate of 10V/us (as summing amplifier)
Externally compensated
Note: Complete technical details can be found in the LM301a datasheet given at the end of this page.
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