MC74HC4046ADT ON Semiconductor, MC74HC4046ADT Datasheet - Page 14

• Manufacturer Part Number: MC74HC4046ADT
• Description: IC PHASE LOCKED LOOP 16-TSSOP
• Manufacturer: ON Semiconductor
• Series: 74HCr
• Type: Phase Lock Loop (PLL)r

Specifications of MC74HC4046ADT

• Pll: Yes
• Input: CMOS
• Output: CMOS
• Number Of Circuits: 1
• Ratio - Input:output: 1:4
• Frequency - Max: 13MHz
• Divider/multiplier: No/No
• Voltage - Supply: 3 V ~ 6 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP
• Frequency-max: 13MHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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
= ∞
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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: