Electrical Characteristics
LM193, LM193A, LM293, LM293A, LM393, LM393A
Figure 12. Low frequency op-amp with offset
adjust
5V
Offset Adjust
100kW
5V
R2
R
s
R
I
1MW
1MW
15kW
1/2
LM193
Figure 13. Zero crossing detector
(single power supply)
5V
100kW
5.1kW
e
I
2N 2222
100kW
5.1kW
5.1kW
1/2
LM193
e
I
~
1N4148
0.5mF
R1
100kW
1kW
20MW
10kW
e
o
Figure 14. Limit comparator
V
CC
(12V)
Figure 15. Crystal controlled oscillator
V = 15V
CC
2R
S
V
(ref)
high
R
S
10kW
1/2
LM193
200k
W
100k
W
2k
W
Lamp
0.1
m
F
1/2
LM193
V
CC
0
e
o
e
I
~
2R
S
V
(ref)
low
1/2
LM193
f = 100kHz
2N 2222
200kW
Figure 16. Split-supply applications - zero
crossing detector
15V
Figure 17. Comparator with a negative
reference
15V
5.1k
W
1/2
LM193
1/2
LM193
5.1k
W
e
o
e
I
~
e
o
e
I
~
5V
15V
15V
8/15
STMICROELECTRONICS [ STMICROELECTRONICS ]
