LM224D View Datasheet(PDF) - Motorola => Freescale
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LM224D Datasheet PDF : 8 Pages
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LM324, LM324A, LM224, LM2902, LM2902V
Figure 7. Voltage Reference
R1
VCC
R2
VCC
–
1/4
LM324
VO
MC1403
+
2.5 V
VO = 2.5 V
1
+
R1
R2
Figure 8. Wien Bridge Oscillator
50 k
Vref
Vref
=
1
2
VCC
10 k
R
5.0 k
– VCC
1/4
LM324
+
RC
C
VO
1
fo = 2 π RC
For: fo = 1.0 kHz
R = 16 kΩ
C = 0.01 µF
Figure 9. High Impedance Differential Amplifier
e1
+
1/4
1
C
R
R
LM324
–
R1 a R1
–
1/4
LM324
eo
+
b R1
–
1/4
1
C
R
LM324
e2
+
R
eo = C (1 + a + b) (e2 – e1)
Figure 10. Comparator with Hysteresis
R2
R1
Vref
Vin
+
1/4
LM324
–
VOH
VO
VO VOL
VinL =
R1
R1 + R2
(VOL – Vref) + Vref
VinH =
R1
R1 + R2
(VOH – Vref) + Vref
H=
R1
R1 + R2
(VOH – VOL)
Hysteresis
VinL VinH
Vref
Vin C1
R2
R
–C
1/4
LM324
+
Vref
R2
Figure 11. Bi–Quad Filter
R
C
R
–
1/4
LM324
+
100 k
100 k
–
1/4
LM324
1
fo = 2 π RC
R1 = QR
R2
=
R1
TBP
R3 = TN R2
C1 = 10C
Vref =
1
2
VCC
Vref
Bandpass
Output
R1
R3
–
1/4
LM324
+
+
Vref
C1
For: fo = 1.0 kHz
For: Q = 10
For: TBP = 1
For: TN = 1
Notch Output R = 160 kΩ
C = 0.001 µF
R1 = 1.6 MΩ
Vref
Where: TBP = Center Frequency Gain
Where: TN = Passband Notch Gain
R2 = 1.6 MΩ
R3 = 1.6 MΩ
6
MOTOROLA ANALOG IC DEVICE DATA
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