CD54HC4046A, CD74HC4046A, CD54HCT4046A, CD74HCT4046A
Typical Performance Curves (Continued)
90
80
800
C1 = 0.1µF
R1 = 150K
C1 = 0.1µF
R1 = 1.5M
V
= 6V
V
= 6V
CC
CC
700
600
500
70
60
V
= 4.5V
CC
V
= 4.5V
CC
50
40
400
300
200
100
V
= 3V
CC
V
= 3V
CC
30
20
10
0
1
2
3
4
5
6
0
1
2
3
4
5
6
VCO (V)
IN
VCO (V)
IN
FIGURE 17. HC4046A TYPICAL VCO FREQUENCY vs VCO
FIGURE 18. HC4046A TYPICAL VCO FREQUENCY vs VCO
IN
IN
(R1 = 1.5MΩ, C1 = 0.1µF)
(R1 = 150kΩ, C1 = 0.1µF)
18
1400
V
= 6V
V
= 6V
C1 = 0.1µF
R1 = 5.6k
C1 = 50pF
R1 = 150K
CC
CC
16
1200
1000
V
= 4.5V
CC
14
12
V
= 3V
V
= 4.5V
CC
CC
10
8
800
600
V
= 3V
CC
6
4
2
400
200
0
1
2
3
4
5
6
0
1
2
3
4
5
6
VCO (V)
IN
VCO (V)
IN
FIGURE 19. HC4046A TYPICAL VCO FREQUENCY vs VCO
FIGURE 20. HC4046A TYPICAL VCO FREQUENCY vs VCO
IN
IN
(R1 = 5.6kΩ, C1 = 0.1µF)
(R1 = 150kΩ, C1 = 50pF)
24
24
VCO = 0.5 V
IN CC
V
= 6V
C1 = 50pF
R1 = 5.6K
CC
R1 = 1.5M
20
16
12
8
C1 = 50pF, V
= 3V
CC
R2 = OPEN
20
16
12
R1 = 150K
V
= 4.5V
CC
4
0
R1 = 3K
V
= 3V
CC
-4
8
4
-8
R1 = 1.5K
-12
-16
-75 -50
0
1
2
3
4
5
6
-25
0
25
50
75
100 125 150
o
VCO (V)
IN
AMBIENT TEMPERATURE, T ( C)
A
FIGURE 21. HC4046A TYPICAL VCO FREQUENCY vs VCO
FIGURE 22. HC4046A TYPICAL CHANGE IN VCO FREQUENCY
vs AMBIENT TEMPERATURE AS A FUNCTION OF
IN
(R1 = 5.6kΩ, C1 = 50pF)
R1 (V
= 3V)
CC
14
TI [ TEXAS INSTRUMENTS ]
