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MC3458 Datasheet(PDF) 6 Page - ON Semiconductor

Part No. MC3458
Description  DUAL DIFFERENTIAL INPUT OPERATIONAL AMPLIFIERS
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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MC3458 MC3358
6
MOTOROLA ANALOG IC DEVICE DATA
R1
R1 +R2
R1
R1 +R2
R1
R1 +R2
1
C
1
C
MC3458
1
2
πRC
1
2
1
2
Figure 7. Voltage Reference
Figure 8. Wien Bridge Oscillator
Figure 9. High Impedance Differential Amplifier
Figure 10. Comparator with
Hysteresis
Figure 11. Bi–Quad Filter
+
VCC
10 k
R1
R2
VO
VCC
10 k
VO =
VO =
VCC
R1
R1 +R2
1
2
1/2
MC3458
+
10 k
VO
VCC
50 k
5.0 k
R
C
C
R
Vref =
VCC
fo =
1
2
πRC
For:
fo
= 1.0 kHz
R
= 16 k
C
= 0.01
µF
1/2
MC3458
Vret
+
e1
e2
R
eo
R
b R1
R1
eo = C (1 +a +b) (e2 –e1)
1/2
MC3458
1/2
MC3458
1/2
MC3458
a R1
+
+
R
R
+
Vret
Vin
R1
R2
VO
VO
VOH
VOL
VinL VinH
Vref
Hysteresis
VinL =
VinH =
Vh =
(VOL – Vref) +Vref
(VOH – Vref) +Vref
(VOH – VOL)
1/2
MC3458
Vref =
VCC
+
R2
C1
Vin
Vref
Vref
Vref
Vref
R
100 k
100 k
R2
R1
R3
C1
Bandpass
Output
R = 160 k
C = 0.001
µF
R1 = 1.6 M
R2 = 1.6 M
R3 = 1.6 M
TBP = center frequency gain
TN = passband notch gain
fo =
R1 = QR
R2 =
R3 = TN R2
C1 = 10 C
fo = 1.0 kHz
Q = 10
TBP = 1
TN = 1
R1
TBP
R
C
C
Notch Output
1/2
MC3458
1/2
MC3458
1/2
1/2
MC3458
+
+
+
For:
Where:




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