MC3358D View Datasheet(PDF) - ON Semiconductor
Part Name
Description
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MC3358D Datasheet PDF : 13 Pages
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MC3458, MC3358
VCC
10 k
R2
10 k
R1
VCC
-
1/2
MC3458
VO
+
VO =
R1
R1 +R2
VO =
1
2
VCC
Figure 9. Voltage Reference
50 k
10 k
Vret
Vref = 12ă VCC
R
5.0 k
VCC
-
1/2
MC3458
+
R
C
C
VO
fo =
1
2πRC
For:
fo
= 1.0 kHz
R
= 16 kΩ
C
= 0.01 µF
Figure 10. Wien Bridge
Oscillator
e1
+ 1/2
MC3458
-
a R1
R1
b R1
- 1/2
MC3458
e2
+
1
C
R
R
-
1/2
MC3458
+
1
C
R
R
eo = C (1 +a +b) (e2 –e1)
R1
Vret
eo
Vin
R2
Hysteresis
VOH
+
1/2
MC3458
-
VO
VO
VOL
VinL =
R1
R1 +R2
(VOL - Vref) +Vref
VinH =
R1
R1 +R2
(VOH - Vref) +Vref
Vh =
R1
R1 +R2
(VOH - VOL)
VinL VinH
Vref
Figure 11. High Impedance Differential
Amplifier
Figure 12. Comparator with Hysteresis
C1
R2
Vin
R
C
- 1/2
MC3458
+
Vref
R2
Where: TBP = center frequency gain
TN = passband notch gain
R
C
100 k
-
1/2
MC3458
+
Vref
Bandpass
R1 Output
Vref
100 k
R3
-
1/2
MC3458
+
-
1/2
MC3458
+
Vref
C1
Figure 13. Bi–Quad Filter
fo =
1
2πRC
R1 = QR
R2 = R1
TBP
R3 = TN R2
C1 = 10 C
For: fo = 1.0 kHz
Q = 10
TBP = 1
TN = 1ă ā
Notch Output
Vref =
1
2
VCC
ăR = 160 kΩ
ăC = 0.001 µF
R1 = 1.6 MΩ
R2 = 1.6 MΩ
R3 = 1.6 MΩ
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