18
FIGURE 39. HCT4046A DEMODULATOR POWER DISSIPATION
vs RS (TYP) (VCC = 3V, 4.5V, 6V)
FIGURE 40. HC4046A VCO POWER DISSIPATION vs R1
(C1 = 50pF, 1
F)
FIGURE 41. HCT4046A VCO POWER DISSIPATION vs R2
(C1 = 50pF, 1
F)
FIGURE 42. HCT4046A VCO POWER DISSIPATION vs R1
(C1 = 50pF, 1
F)
FIGURE 43. HC4046A VCO POWER DISSIPATION vs R2 (C1 = 50pF, 1
F)
Typical Performance Curves (Continued)
VCOIN = 0.5 VCC
1K
10K
100K
1M
RS (OHMS)
104
103
102
10
1
VCC = 3V
VCC = 4.5V
VCC = 6V
R1 = R2 = OPEN
DEMODULA
T
OR
PO
WER
DISSIP
A
TION,
P
D
(
W)
VCOIN = 0.5VCC
1K
10K
100K
1M
R1 (OHMS)
106
105
104
103
102
R2 = RS = OPEN
CL = 50pF
VCC = 6V
C1 = 50pF
VCC = 3V
C1 = 1
F
VCO
PO
WER
DISSIP
A
TION,
P
D
(
W)
VCC = 6V
C1 = 1
F
VCC = 3V
C1 = 50pF
VCC = 4.5V
C1 = 1
F
VCC = 4.5V
C1 = 50pF
VCOIN = 0V (AT fMIN)
1K
10K
100K
1M
R2 (OHMS)
106
105
104
103
102
R1 = RS = OPEN
CL = 50pF
VCC = 6V
C1 = 50pF
VCC = 4.5V
C1 = 1
F
VCO
PO
WER
DISSIP
A
TION,
P
D
(
W)
VCC = 4.5V
C1 = 50pF
VCC = 6V
C1 = 1
F
VCOIN = 0.5V
1K
10K
100K
1M
R1 (OHMS)
106
105
104
103
102
R2 = RS = OPEN
VCC = 5.5V
C1 = 50pF
VCC = 5.5V
C1 = 1
F
VCO
PO
WER
DISSIP
A
TION,
P
D
(
W)
VCC = 4.5V
C1 = 50pF
VCC = 4.5V
C1 = 1
F
VCOIN = 0V (AT fMIN)
1K
10K
100K
1M
R2 (OHMS)
106
105
104
103
102
R1 = RS = OPEN
CL = 50pF
VCC = 6V
C1 = 50pF
VCC = 3V
C1 = 1
F
VCO
PO
WER
DISSIP
A
TION,
P
D
(
W)
VCC = 4.5V
C1 = 1
F
VCC = 4.5V
C1 = 50pF
VCC = 6V
C1 = 1
F
VCC = 3V
C1 = 50pF
CD54HC4046A, CD74HC4046A, CD54HCT4046A, CD74HCT4046A