參數(shù)資料
型號: AK8850
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: NTSC Digital Video Decoder
中文描述: NTSC制式數(shù)字視頻解碼器
文件頁數(shù): 2/99頁
文件大小: 1757K
代理商: AK8850
ASAHI KASEI
[AK8850]
4-5. Analog Characteristics and Power Dissipation
Selector and Clamp (AVDD=3.3V, Room Temperature)
Item
Symbol
Min.
Typ.
Max.
Unit
Condition
Maximum Input Range
(AIN1 AIN6)
VIMX
1.20
1.28
VPP
PGA Gain 0dB
Composite, Luminance
Signal Clamp Level
VYCP
0.70
V
C/U/V Signal
Clamp Level
VCCP
1.34
V
Clamp Current
CLPI
±70
uA
Isolation between ADC
-60
dB
5.5MHz
PGA (AVDD=3.3V, Room Temperature)
Item
Symbol
Min.
Typ.
Max.
Unit
Condition
Min.Gain
GMN
0
dB
Max Gain
GMX
12
dB
Gain Step
GST
0.094
dB
Relative Gain accuracy
ERP
±1
LSB
ADC (AVDD=3.3V, Room Temperature)
Item
Symbol
Min.
Typ.
Max
Unit
Condition
Resolution
RES
10
bits
Operating Clock Frequency
FS
27
MHz
Integral Non Linearity
INL
±2.0
±4.0
LSB
fs=27MHz
Differential Non Linearity
DNL
±0.8
±2.0
LSB
fs=27MHz
S/N
SN
54
dB
fin=1MHz Ain= 1dB
fs=27MHz
S/(N+D)
SND
51
dB
fin=1MHz Ain= 1dB
fs=27MHz
Power Consumption (DVDD=AVDD=3.3V, Room Temperature)
Item
Symbol
Min.
Typ.
Max
Unit
Condition
Compensation Current
(Active)
Digital + Analog
Analog
Digital
216
71
145
280
mA
3ch operating
25pFLoad, Color bar input
Power Down Current
Mode 1
Digital + Analog
Analog
Digital
Mode 2
Digital + Analog
Analog
Digital
58
22
36
0.01
75
0.2
mA
Mode 1: Set by Register
Mode 2: Set by PD pin
*It requires several second from
Mode 2 power down mode to
Active mode.
Rev.0
10
2002/01
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