參數(shù)資料
型號： AK4703
廠商： Asahi Kasei Microsystems Co.,Ltd
英文描述： AV SCART switch
中文描述： 影音SCART開關(guān)
文件頁數(shù)： 9/38頁
文件大小： 351K
代理商： AK4703
ASAHI KASEI
AKM CONFIDENTIAL
[AK4703]
Rev. 0.1
2004/03
- 9 -
ANALOG CHARACTERISTICS (VIDEO)
(Ta = 25
°
C; VP = 12V, VD = 5V; VVD1 = VVD2 = 5V; unless otherwise specified.)
Parameter
Sync Tip Clamp Voltage
at output pin.
Chrominance Bias Voltage
at output pin.
Gain
Input = 0.3Vp-p, 100kHz
Interchannel Gain Mismatch TVRC, TVG, TVB. Input = 0.3Vp-p, 100kHz.
Frequency Response
Input=0.3Vp-p, C1=C2=0pF. 100kHz to 6MHz.
at 12MHz.
at 27MHz.
Group Delay Distortion
At 4.43MHz with respect to 1MHz.
Input Impedance
Chrominance input (internally biased)
Input Signal
f = 100kHz, maximum with distortion < 1.0%,
gain = 6dB.
Load Resistance
(Note 12)
Load Capacitance
C1 (Note 12)
C2 (Note 12)
Dynamic Output Signal
f = 100kHz, maximum with distortion < 1.0%
Y/C Crosstalk
f = 4.43MHz, 1Vp-p input. Among TVVOUT,
TVRC, VCRVOUT and VCRC outputs.
S/N
Reference Level = 0.7Vp-p, CCIR 567 weighting.
BW = 15kHz to 5MHz.
Differential Gain
0.7Vpp 5steps modulated staircase.
chrominance &burst are 280mVpp, 4.43MHz.
Differential Phase
0.7Vpp 5steps modulated staircase.
chrominance &burst are 280mVpp, 4.43MHz.
Note 12. Refer the Figure 1.
Conditions
min
5.5
0.3
typ
0.7
2.2
6
-
3
35
60
max
6.5
0.3
0.5
TBD
15
-
Units
V
V
dB
dB
dB
dB
dB
ns
k
1.0
40
-
-
1.5
Vpp
150
-
-
-
-
pF
pF
Vpp
400
15
3
-
50
-
dB
-
74
-
dB
-
TBD
-
%
-
TBD
-
Degree
Video Signal Output
75 ohm
75 ohm
max: 400pF
C1
R1
R2
max: 15pF
C2
Figure 1. Load Resistance R1+R2 and Load Capacitance C1/C2.
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