MC74HC4046ADT データシートの表示（PDF） - ON Semiconductor
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MC74HC4046ADT Datasheet PDF : 18 Pages
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MC74HC4046A
106
CL = 50 pF; R2 = ∞; VVCOIN = 1/2 VCC FOR VCC = 4.5 V AND 6.0 V;
VVCOIN = 1/3 VCC FOR VCC = 3.0 V; Tamb = 25°C
106
CL = 50 pF; R1 = ∞; VVCOIN = 0 V; Tamb = 25°C
105
104
103
100
101
102
R1 (kW)
VCC = 6.0 V, C1 = 40 pF
VCC = 6.0 V, C1 = 1.0 mF
VCC = 4.5 V, C1 = 40 pF
VCC = 4.5 V, C1 = 1.0 mF
VCC = 3.0 V, C1 = 40 pF
VCC = 3.0 V, C1 = 1.0 mF
103
105
104
103
100
Figure 16. Power Dissipation versus R1
VCC = 3.0 V, C1 = 1.0 mF
101
VCC = 6.0 V, C1 = 40 pF
VCC = 6.0 V, C1 = 1.0 mF
VCC = 4.5 V, C1 = 40 pF
VCC = 4.5 V, C1 = 1.0 mF
VCC = 3.0 V, C1 = 40 pF
102
103
R2 (kW)
Figure 17. Power Dissipation versus R2
103
R1 = R2 = ∞; Tamb = 25°C
102
101
100
101
VCC=6.0 V
VCC=4.5 V
VCC=3.0 V
102
103
RS (kW)
Figure 18. DC Power Dissipation of
Demodulator versus RS
108
VCC =
6.0 V
107
4.5 V
3.0 V
6.0 V
4.5 V
106 3.0 V
6.0 V
4.5 V
105 3.0 V
104
INH = GND; Tamb = 25°C; R2 = ∞; VVCOIN = 1/3 VCC
R1=3.0 kW
R1=100 kW
103
R1=300 kW
102
101
102
103
104
C1 (pF)
105
106
Figure 19. VCO Center Frequency versus C1
108 VCC =
6.0 V
107
4.5 V
3.0 V
6.0 V
106 4.5 V
3.0 V
105
6.0 V
4.5 V
3.0 V
104
R1 = ∞; VVCOIN = 1/2 VCC FOR VCC = 4.5 V AND 6.0 V;
VVCOIN = 1/3 VCC FOR VCC = 3.0 V; INH = GND; Tamb = 25°C
R2=3.0 kW
103
R2=100 kW
102
R2=300 kW
101
101
102
103
104
105
106
C1 (pF)
Figure 20. Frequency Offset versus C1
108
107
VCC = 4.5 V; R2 = ∞
106
105
104
103
102
10−7
10−6
10−5
10−4
10−3
10−2 10−1
R1C1
Figure 21. Typical Frequency Lock Range (2fL)
versus R1C1
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