Datasheet

LM193, LM293, LM393 Typical applications
7/15
Figure 13. Low frequency op-amp with offset
adjust
Figure 14. Zero crossing detector
(single power supply)
e
I
~
2N 2222
5V
e
o
R1
100k
W
1k
W
5V
1M
W
100k
W
1M
W
Offset Adjust
R
s
R
I
15k
W
0.5
m
F
R2
1/2
LM193
100k
W
10k
W
e
I
20M
W
5V
5.1k
W
1N4148
5.1k
W
5.1k
W
100k
W
1/2
LM193
Figure 15. Limit comparator Figure 16. Crystal controlled oscillator
10k
W
e
I
~
R
S
2R
S
V
(ref)
high
2R
S
V
(ref)
low
2N 2222
(12V)
V
CC
Lamp
1/2
LM193
1/2
LM193
2k
W
0.1
m
F
200k
W
f = 100kHz
e
o
=15V
V
CC
V
CC
0
100k
W
200k
W
1/2
LM193
Figure 17. Split-supply applications - zero
crossing detector
Figure 18. Comparator with a negative
reference
15V
5.1k
W
e
o
e
I
~
15V
1/2
LM193
15V
5.1k
W
e
o
e
I
~
15V
5V
1/2
LM193