AK8854VQ Datasheet, PDF (15/95 Pages) Asahi Kasei Microsystems – Multi-Format Digital Video Decoder

[AK8854VQ]
4.5 Current consumption (at DVDD = AVDD = PVDD1 = PVDD2 = 1.8V, Ta = −40 ~ 85˚C)
Parameter
Symbol Min Typ Max Units
Condition
(Active mode)
Total
Analog block
IDD
AIDD
108
145 mA RGB/YPbPr: 3ch
82
mA RGB/YPbPr: 3ch
(63)
mA YC: 2ch(*1)
(34)
mA CVBS: 1ch(*1)
Digital block
DIDD
I/O block
PIDD
(Power down mode)
Total
SIDD
Analog block
ASIDD
Digital block
DSIDD
I/O block
PSIDD
(*1) Reference Value
(*2) With NTSC-J 100% color bar input.
22
mA With crystal connected
4
mA ^{Load condition: CL=15pF(*2)}
≤1
100 uA
≤1
uA PDN=L(DVSS)
≤1
uA
≤1
uA
4.6 Crystal circuit block (Ta: −40~85˚C, CLKMD-pin is connected to DVSS.)
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
AK8854 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.
MS0973-E-01
15
2008/07