LM158 STMicroelectronics, LM158 Datasheet - Page 10

• Manufacturer Part Number: LM158
• Description: Low power dual op-amps with low input bias current
• Manufacturer: STMicroelectronics

Specifications of LM158

• Large Dc Voltage Gain: 100 dB
• Wide Bandwidth (unity Gain): 1.1 MHz(temperature compensated)
• Low Input Bias Current: 20 nA(temperature compensated)
• Low Input Offset Voltage: 2 mV
• Low Input Offset Current: 2 nA

Typical applications
5
10/21
Figure 18. AC-coupled inverting amplifier
Figure 20. AC-coupled non-inverting amplifier Figure 21. DC summing amplifier
Figure 22. High input Z, DC differential
0.1mF
+V1
+V2
C1
e
I
e
I
~
V
~
C
CC
I
100kW
100k W
100kW
C
if R1 = R5 and R3 = R4 = R6 = R7
As shown e
R1
10k W
e
1M W
R1
R2
10 m F
R1
I
o
10 m F
C2
C1
R3
= [1 +
Typical applications
Single supply voltage V
amplifier
LM158
LM158
100kW
2R1
-----------
100k W
LM158
R2
o
R3
1/2
1MW
1/2
100kW
1/2
R2
100kW
= 101 (e
R
100kW
6.2k W
6.2kW
R5
R4
f
R2
R
R
] ( (e
B
B
V
2
CC
2
+ e
+ e
(as shown A = -10)
(as shown A = 11)
A = -
100kW
1
A = 1 + R2
V
C
1
C
)
)
R3
V
o
o
R1
R
f
e
10k W
e
o
R1
10k W
0
R
o
V
0
R
L
V
L
CC
LM158
100k W
1/2
R4
= +5 V
Doc ID 2163 Rev 9
2V
DC
2V
PP
V
.
PP
o
Figure 19. Non-inverting DC amplifier
Figure 23. High input Z adjustable gain DC
e
where (e1 + e
to keep e
10k W
o
if R1 = R5 and
R3 = R4 = R6 = R7
As shown e
R1
e
= e
o
= [ 1 +
10k W
1
+ e
o
2
≥ 0V
e
e
e
e
- e
o
1
2
3
4
2
2R1
-----------
instrumentation amplifier
R2
= 101 (e
) ≥ (e
3
- e
1M W
100kW
100k W
100kW
100kW
e
LM158
2
R2
e
] ( (e
1/2
2k W
1
4
R2
3
+ e
2
2
+ e
+ e
4
)
Gain adjust
1
1
100kW
)
)
LM158
LM158
1/2
1/2
100k W
100k W
R1
R5
e
O
LM158
LM158, LM258, LM358
1/2
100kW
+5V
100k W
0
100k W
R3
R6
A
V
= 1 +
(As shown
100k W
e
LM158
e
1/2
R7
I
O
100k W
(mV)
R4
R2
R1
A
e
V
O
= 101)