AK8853XQ Datasheet, PDF (9/70 Pages) Asahi Kasei Microsystems – NTSC/PAL/SECAM Digital Video Decoder

[AK8853XQ/ VN]
4.4 Analog characteristics (AVDD=1.8V, Temp.25˚C)
Selector clamp
Parameter
Symbol Min Typ Max Units
Condition
Maximum input range VIMX
0
0.50 0.60 V_PP
Max value at minimum
PGA_GAIN setting
PGA
Parameter
Resolution
Minimum gain
Maximum gain
Gain step
Symbol Min
–
GMN
–
GMX
–
GST
–
Typ
7
−6
6
0.094
Max
–
–
–
0.235
Units
bits
dB
dB
dB
AD converter
Parameter
Symbol Min Typ Max Units
Condition
Resolution
RES
10
bits
–
Operating clock
frequency
FS
–
27
– _MHz
–
Integral nonlinearity
INL
–
1.0
3.0
LSB
FS = 27 MHz,
PGA_GAIN default setting
Differential nonlinearity DNL
–
0.5
1.5
LSB
FS = 27 MHz,
PGA_GAIN default setting
S/N
SN
–
53
–
dB
Fin = 1 MHz*, FS = 27 MHz,
PGA_GAIN default setting
S/(N+D)
SND
–
51
–
dB
Fin=1MHz*, FS=27MHz
PGA_GAIN default setting
ADC internal common
voltage
VCOM
–
0.9
–
V
–
ADC internal
positive VREF
VRP
–
1.1
–
V
–
ADC internal
negative VREF
VRN
–
0.7
–
V
–
*Fin = AIN input signal frequency
AAF (Anti-Aliasing Filter)
Parameter
Symb
ol
Min
Pass band ripple
Gp
−1
Stop band blocking
Gs
10
Typ Max Units
+1 dB
22
–
dB
Condition
6 MHz
27 MHz
4.5 Current consumption (at DVDD = AVDD = PVDD1 = PVDD2 = 1.8V, Ta = Recommended Operating Temp.)
Parameter
Symbol Min Typ
Max Units
Condition
(Active mode)
Total
Analog block
Digital block
I/O block
IDD
AIDD
DIDD
PIDD
a
58
76
mA
35
mA
19
mA With crystal connected
4
mA Load condition: CL=15pF
(Power down mode)
Total
SIDD
≤1
200
uA
Analog block
ASIDD
≤1
uA
Digital block
DSIDD
≤1
uA
I/O block
PSIDD
≤1
uA
a_{With NTSC-J 100% color bar input.}
Rev-E-00
9
2008/01