CD54HC4046A, CD74HC4046A, CD54HCT4046A, CD74HCT4046A
Typical Performance Curves (Continued)
8
7
6
5
4
3
2
8
7
6
5
4
3
2
10
10
10
10
10
10
10
10
10
10
10
10
10
10
R2 = 1.5K
R2 = 2.2K
R2 = 22K
R2 = 15K
R2 = 220K
R2 = 2.2M
R2 = 150K
R2 = 1.5M
VCO = 0.5 V
IN CC
CC
VCO = 0.5 V
IN
CC
10
1
10
1
CC
R2 = 11M
5
R2 = 7.5M
5
V
= 4.5V
V
= 3V
2
3
4
6
2
3
4
6
10
1
10
1
10
10
10
10
10
10
10
10
10
10
CAPACITANCE, C1 (pF)
CAPACITANCE, C1 (pF)
FIGURE 28. HC4046A OFFSET FREQUENCY vs R2, C1
(V = 3V)
FIGURE 27. HC4046A OFFSET FREQUENCY vs R2, C1
(V = 4.5V)
CC
CC
8
7
6
5
4
3
2
8
7
6
5
4
3
2
10
10
10
10
10
10
10
10
10
10
10
10
10
10
R2 = 2.2K
R2 = 3K
R2 = 30K
R2 = 22K
R2 = 220K
R2 = 2.2M
R2 = 300K
R2 = 3M
VCO = 0.5 V
IN
CC
HC V
= 6V
VCO = 0.5 V
IN
CC
CC
HCT V
10
1
10
1
CC
R2 = 11M
5
R2 = 15M
5
= 5.5V
V
= 4.5V
CC
2
3
4
6
10
2
3
4
6
10
1
10
1
10
10
10
10
10
10
10
10
10
CAPACITANCE, C1 (pF)
CAPACITANCE, C1 (pF)
FIGURE 29. HCT4046A OFFSET FREQUENCY vs R2, C1
(V = 4.5V)
FIGURE 30. HC4046A AND HCT4046A OFFSET FREQUENCY
vs R2, C1 (V
= 6V, V
= 5.5V)
CC
CC
CC
PIN 9 = 0.95 V
FOR f
MIN
PIN 9 = 0.95 V
PIN 9 = 0V FOR f
FOR f
MAX
CC
PIN 9 = 0V FOR f
MAX
CC
2
2
MIN
10
10
V
= 3V, 4.5V, 6V
V
= 4.5V TO 5.5V
CC
CC
10
10
0
10
0
10
-2
-1
10
2
-2
-1
2
1
10
1
10
10
10
10
R2/R1
R2/R1
FIGURE 31. HC4046A f
/f
MIN MAX
vs R2/R1 (V
= 3V, 4.5V, 6V)
FIGURE 32. HCT4046A f
/f
vs R2/R1 (V
= 4.5V TO 5.5V)
CC
MAX MIN
CC
16
TI [ TEXAS INSTRUMENTS ]
