LM324-LM324A ON Semiconductor, LM324-LM324A Datasheet - Page 8

• Manufacturer Part Number: LM324-LM324A
• Description: Single Supply Quad Operational Amplifier
• Manufacturer: ON Semiconductor

Figure 13. High Impedance Differential Amplifier
e
e
1
2
V
in
MC1403
V
R1
CC
C1
−
+
LM324
−
LM324
+
1/4
1/4
Figure 11. Voltage Reference
a R1
b R1
e
o
= C (1 + a + b) (e
R2
R2
2.5 V
V
ref
C R
C R
1
1
R2
−
+
LM324
V
1/4
O
R1
LM324
−
+
2
1/4
= 2.5 V
− e
V
R
C
CC
R
1
)
+
−
LM324
1 +
1/4
R
R1
R2
R1
V
R
O
Bandpass
Figure 15. Bi−Quad Filter
Output
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Vref
e
o
−
+
LM324
1/4
C
8
V
ref
R
V
V
V
ref
−
+
LM324
in
ref
1/4
=
R3
Where: T
Where:
V
1
2
100 k
ref
V
R1
CC
Figure 14. Comparator with Hysteresis
V
V
inH
inL
T
Figure 12. Wien Bridge Oscillator
H =
BP
N
=
V
=
10 k
ref
= Passband Notch Gain
= Center Frequency Gain
R1 + R2
R1 + R2
R1 + R2
+
−
LM324
R
−
+
1/4
R1
R1
LM324
100 k
R1
R2
1/4
C1
5.0 k
(V
(V
(V
OL
OH
OH
−
+
C
LM324
50 k
1/4
− V
− V
− V
For: f
For:
For:
For:
R
ref
V
ref
OL
V
Notch Output
O
) + V
CC
) + V
)
f
R1 = QR
R2 =
R3 = T
C1 = 10C
Q = 10
T
T
o
C
V
V
o
BP
N
V
OH
= 2 p RC
OL
ref
ref
= 1.0 kHz
O
= 1
= 1
T
R1
N R2
BP
1
For: f
f
o
=
V
R = 160 kW
C = 0.001 mF
R1 = 1.6 MW
R2 = 1.6 MW
R3 = 1.6 MW
O
2 p RC
V
R = 16 kW
C = 0.01 mF
V
o
Hysteresis
ref
inL
1
= 1.0 kHz
V
=
ref
1
2
V
inH
V
CC