MC74HC4046AD ON Semiconductor, MC74HC4046AD Datasheet - Page 14
MC74HC4046AD
Manufacturer Part Number
MC74HC4046AD
Description
Phase Locked Loops (PLL) LOG CMOS PLL
Manufacturer
ON Semiconductor
Type
PLLr
Datasheet
1.MC74HC4046AD.pdf
(18 pages)
Specifications of MC74HC4046AD
Number Of Circuits
1
Supply Voltage (max)
6 V
Supply Voltage (min)
2 V
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 55 C
Mounting Style
SMD/SMT
Operating Supply Voltage
2.5 V, 3.3 V, 5 V
Package / Case
SOIC-16
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC74HC4046ADR2
Manufacturer:
ON
Quantity:
2 263
Company:
Part Number:
MC74HC4046ADR2G
Manufacturer:
ON Semiconductor
Quantity:
2 000
Company:
Part Number:
MC74HC4046ADTR2G
Manufacturer:
ON Semiconductor
Quantity:
2 000
references as indicated below, also the values of R1, R2, and C1 should not violate the Maximum values indicated in the DC
ELECTRICAL CHARACTERISTICS tables.
APPLICATION INFORMATION
• Given f0
• Use f0 with
(see Figure 24 for
characteristics of
the VCO operation)
Figure 19 to
determine R1 and
C1.
The following information is a guide for approximate values of R1, R2, and C1. Figures 20, 21, and 22 should be used as
R
2
= ∞
Phase Comparator 1
• Given f0 and fL
• Calculate f
• Determine values
• Determine R1−C1
• Calculate value of
(see Figure 25 for
characteristics of
the VCO operation)
f
of C1 and R2 from
Figure 21.
from Figure 22.
R1 from the value
of C1 and the
product of R1C1
from Figure 22.
min
= f0−fL
R
2
0 R
min
• Given f
• Determine the
value of R1 and
C1 using Figure
20 and use Figure
22 to obtain 2fL
and then use this
to calculate f
R
2
max
= ∞
http://onsemi.com
Phase Comparator 2
MC74HC4046A
and f0
min
.
14
• Given f0 and fL
• Calculate f
• Determine values
• Determine R1−C1
• Calculate value of
(see Figure 25 for
characteristics of
the VCO operation)
f
of C1 and R2 from
Figure 21.
from Figure 22.
R1 from the value
of C1 and the
product of R1C1
from Figure 22.
min
= f0−fL
R
2
0 R
min
• Given f
• Determine the
value of R1 and
C1 using Figure
20 and Figure 22
to obtain 2fL and
then use this to
calculate f
R
2
max
= ∞
Phase Comparator 3
min
and f0
.
• Given f0 and fL
• Calculate f
• Determine values
• Determine R1−C1
• Calculate value of
(see Figure 25 for
characteristics of
the VCO operation)
f
of C1 and R2 from
Figure 21.
from Figure 22.
R1 from the value
of C1 and the
product of R1C1
from Figure 22.
min
= f0−fL
R
2
0 R
min: