Analog Devices Advantiv ADV7604 Hardware Manual page 392

•
Use a parallel-resonant crystal.
•
Know the C
load
must be matched to the C
To find C1 and C2, use the following formula:
C1 = C2 = 2(C
where C is usually 2 to 3 pF, depending on board traces and C
stray
capacitance) is 4 pF for the ADV7604.
Example:
= 30 pF, C1 = 50 pF, C2 = 50 pF (in this case, 47 pF is the nearest real-life cap value
C
load
to 50 pF)
Rev. F August 2010
for the crystal part number selected. The value of capacitors C1 and C2
for the specific crystal part number in the user's system.
load
– C )- C
load stray pg
392
ADV7604
(pin-to-ground-
pg