CD54HC4046A, CD74HC4046A, CD54HCT4046A, CD74HCT4046A
Typical Performance Curves (Continued)
6
5
4
3
2
10
10
10
10
10
4
3
2
VCO = 0.5V
IN
10
10
10
CC
R2 = RS = OPEN
= 50pF
VCO = 0.5 V
IN CC
R1 = R2 = OPEN
C
L
V
= 6V
CC
C1 = 50pF
V
= 6V
CC
V
= 6V
V
= 4.5V
CC
C1 = 1µF
CC
C1 = 50pF
V
= 3V
V
= 3V
CC
C1 = 1µF
CC
V
= 4.5V
CC
V
= 3V
CC
10
1
C1 = 50pF
V
= 4.5V
CC
C1 = 1µF
1K
10K
100K
1M
1K
10K
100K
1M
R1 (OHMS)
RS (OHMS)
FIGURE 39. HCT4046A DEMODULATOR POWER DISSIPATION
vs RS (TYP) (V = 3V, 4.5V, 6V)
FIGURE 40. HC4046A VCO POWER DISSIPATION vs R1
(C1 = 50pF, 1µF)
CC
6
5
4
3
2
6
10
10
10
10
10
10
VCO = 0.5V
IN
R2 = RS = OPEN
VCO = 0V (AT f
)
IN
MIN
V
= 6V
CC
C1 = 50pF
R1 = RS = OPEN
V
= 5.5V
CC
C1 = 50pF
C
= 50pF
L
5
4
3
2
10
10
10
10
V
= 4.5V
V
= 4.5V
CC
C1 = 50pF
CC
C1 = 50pF
V
= 4.5V
CC
C1 = 1µF
V
= 5.5V
CC
C1 = 1µF
V
= 6V
CC
C1 = 1µF
V
= 4.5V
CC
C1 = 1µF
1K
10K
1K
10K
100K
1M
100K
1M
R2 (OHMS)
R1 (OHMS)
FIGURE 41. HCT4046A VCO POWER DISSIPATION vs R2
FIGURE 42. HCT4046A VCO POWER DISSIPATION vs R1
(C1 = 50pF, 1µF)
(C1 = 50pF, 1µF)
6
10
VCO = 0V (AT f
IN
R1 = RS = OPEN
)
MIN
V
= 6V
CC
C1 = 50pF
C
= 50pF
L
5
10
V
= 4.5V
CC
C1 = 50pF
V
= 6V
CC
C1 = 1µF
4
10
V
= 3V
CC
C1 = 1µF
V
= 3V
CC
3
10
10
C1 = 50pF
V
= 4.5V
CC
C1 = 1µF
2
1K
10K
100K
1M
R2 (OHMS)
FIGURE 43. HC4046A VCO POWER DISSIPATION vs R2 (C1 = 50pF, 1µF)
18
TI [ TEXAS INSTRUMENTS ]
