AK8853XQ Datasheet, PDF (10/70 Pages) Asahi Kasei Microsystems – NTSC/PAL/SECAM Digital Video Decoder

[AK8853XQ/ VN]
4.6 Crystal circuit block
(Ta: Recommended Operating Temp.)
Parameter
Symbol Min
Typ
Max Units
Notes
Frequency
f₀
–
24.576
–
MHz
–
Frequency tolerance
Δf/f
–
±100 ppm
–
Load capacitance
CL
–
15
–
pF
–
Effective equivalent resistance Re
–
–
100
Ω
See note 1
Crystal parallel capacitance
CO
–
0.9
–
pF
–
XTI terminal external
connection load capacitance
CXI
–
22
–
pF
If CL=15 pF
XTO terminal external
connection load capacitance
CXO
–
22
–
pF
If CL=15 pF
(note1) Effective equivalent resistance generally may be taken as Re = R1 x (1+CO/CL)², where R1 is
the crystal series equivalent resistance.
Example connection
Rf
XTI pin
CXI = 22pF
AK8853 internal circuit
XTO pin
Rd (note2)
External circuit
CXO = 22pF
(note2) Determine need for and appropriate value of limiting resistance (Rd) in accordance with
the crystal specifications.
Rev-E-00
10
2008/01