AK8856VN Datasheet, PDF (9/98 Pages) Asahi Kasei Microsystems – NTSC/PAL Video Decoder

ASAHI KASEI
[AK8856VN]
(5) Current consumption (DVDD = AVDD = PVDD = 1.8V, Ta = -30 ~ +85°C)
Parameter
Symb
ol
Min
Operating power supply current
Total current consumption
Analog section:
Digital section:
Interface section:
Power-down current
(digital + analog)
Analog section:
Digital section:
Interface section:
Typ
33
17
12
4
<=1
<=1
<=1
<=1
Max Units
Conditions
43
mA ^Note1)
mA
mA
mA
Crystal oscillator connection
Load capacitor CL=15pF
20
uA
uA
uA
uA
Note 1) Input / Output signal : Measured with 100 % Color Bar signal.
Decoder power supply current is measured in 601 output mode (internal clock operation at 27MHz) and 2D YC Separation Mode
( 6 ) Quartz Crystal Oscillator circuit
Quartz crystal resonator and externally connecting load capacitance < Ta = -30 ~ +85°C >
Parameter
Symbol Min
Typ
Max
Units
Conditions
Oscillating frequency
f₀
27.000
MHz
Frequency accuracy
Delta f / f
+/-100
ppm
Load capacitance
CL
15
pF
Effective equivalent resistance
Re
100
Ω
note1
Parallel capacitance
C0
0.85
pF
XTI pin externally connecting
load capacitance
CXI
22
pF
XTO pin externally connecting
load capacitance
CXO
22
pF
note 1) effective equivalent resistance is generally given as: Re = R1 x ( 1 + CO / CL )² ,where R1 = serial equivalent
resistance of crystal oscillator and CO = parallel capacitance of crystal oscillator
MS0522-E-00
9
2006/Dec