AK8850 Datasheet, PDF (10/99 Pages) Asahi Kasei Microsystems – NTSC Digital Video Decoder

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