MC4741CD 데이터 시트보기 (PDF) - Motorola => Freescale
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MC4741CD Datasheet PDF : 6 Pages
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MC4741C
Figure 7. Bi–Quad Filter
R
R
C1
R2
Vin
For: fo = 1.0 kHz
Q = 10
TBP = 1
TN = 1
C
–
1/4
MC4741C
+
Vref
R2
C
–
1/4
MC4741C
+
Vref
Bandpass
R1 Output
Where: TBP = center frequency gain
TN = passband notch gain
Vref
100 k
R3
–
1/4
MC4741C
+
100 k
–
1/4
MC4741C
+
Vref
C1
fo =
1
2πRC
R1 = QR
R2 = R1
TBP
R3 = TNR2
C1 = 10 C
Vref =
1
2
VCC
R = 160 kΩ
C = 0.001 µF
R1 = 1.6 MΩ
R2 = 1.6 MΩ
R3 = 1.6 MΩ
Notch Output
Figure 8. Open Loop Voltage Gain
versus Supply Voltage
105
100
95
90
85
80
75
70
0 2.0 4.0 6.0 8.0 10 12 14 16 18 20
VCC, |VEE|, SUPPLY VOLTAGES (V)
Figure 9. Transient Response Test Circuit
To Scope
(Input)
–
+
RL
To Scope
(Output)
CL
Figure 10. Absolute Value DVM Front End
0.5 µF
900 k
+
1/4
1.0 k
MC4741C
100 k
–
VCC
1.0 k
500 k
1.0 M
Bridge Null Adjust
VEE
MSD6150
1.0 k
500 k
500 k
– 1/4
MC4741C
+
1
2 MC1505
MSD6102
– 1/4
MC4741C
+
1.0 M
47 k
Common Mode Adjust
– 1/4
MC4741C
+
+
Polarity
–
MC4741 Quad Op Amp
MOTOROLA ANALOG IC DEVICE DATA
5
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