Datasheet

LM258, LM358, LM358A, LM358E, LM2904, LM2904A, LM2904E, LM2904V, NCV2904,
NCV2904V
www.onsemi.com
8
R1
2
1
R1
T
BP
R1 + R2
R1
R1 + R2
1
e
o
e
1
e
2
e
o
= C (1 + a + b) (e
2
- e
1
)
R1
a R1
b R1
R
C
R
-
+
1/2
LM358
+
-
-
+
R
1/2
LM358
+
-
R1
R2
V
O
V
ref
V
in
V
OH
V
O
V
OL
V
inL
=
R1
(V
OL
- V
ref
)+ V
ref
V
inH
=
(V
OH
- V
ref
) + V
ref
H =
R1 + R2
(V
OH
- V
OL
)
R1
-
+
-
+
-
+
R
C
R2
R3
C1
100 k
R
C
R
C1
R2
100 k
V
in
V
ref
V
ref
V
ref
V
ref
Bandpass
Output
f
o
=
2 
RC
R1 = QR
R2 =
R3 = T
N R2
C1 = 10 C
1
Notch Output
V
ref
=V
CC
Hysteresis
1/2
LM358
1/2
LM358
1
C
R
V
inL
V
inH
V
ref
1/2
LM358
1/2
LM358
1/2
LM358
1/2
LM358
T
BP
= Center Frequency Gain
T
N
= Passband Notch Gain
R
C
R1
R2
R3
For:
-
+
f
o
Q
T
BP
T
N
= 1.0 kHz
= 10
= 1
= 1
= 160 k
= 0.001 F
= 1.6 M
= 1.6 M
= 1.6 M
Where:
MC1403
1/2
LM358
-
+
R1
V
CC
V
CC
V
O
2.5 V
R2
50 k
10 k
V
ref
V
ref
= V
CC
2
5.0 k
R
C
R
C
+
1/2
LM358
-
V
O
2  RC
1
For: f
o
= 1.0 kHz
R = 16 k
C = 0.01 F
V
O
= 2.5 V (1 +
R1
R2
)
1
V
CC
f
o
=
Figure 10. Voltage Reference
Figure 11. Wien Bridge Oscillator
Figure 12. High Impedance Differential Amplifier Figure 13. Comparator with Hysteresis
Figure 14. Bi−Quad Filter