AK4707 Datasheet, PDF (13/42 Pages) Asahi Kasei Microsystems – AV SCART Switch

ASAHI KASEI
[AK4707]
ANALOG CHARACTERISTICS (VIDEO)
(Ta = 25°C; VP = 12V, VD= 5V; VVD1 = VVD2 = 5V; unless otherwise specified.)
Parameter
Conditions
min typ max Units
Sync Tip Clamp Voltage at output pin.
0.7
V
Chrominance Bias Voltage at output pin.
2.2
V
Gain
Input = 0.3Vp-p, 100kHz
5.5 6 6.5 dB
Interchannel Gain Mismatch TVRC, TVG, TVB. Input = 0.3Vp-p, 100kHz.
-0.5 -
0.5
dB
Frequency Response
Input=0.3Vp-p, 100kHz to 6MHz
-1.0
1.0 dB
Input Impedance
Chrominance input (internally biased)
40 60
-
kΩ
Input Signal
f = 100kHz, maximum with distortion < 1.0%
-
-
1.5 Vpp
Load Resistance
(Note 11)
150 -
-
Ω
Load Capacitance
C1 (Note 11)
400 pF
C2 (Note 11)
15
pF
Dynamic Output Signal
f = 100kHz, maximum with distortion < 1.0%
-
-
3
Vpp
Y/C Crosstalk
f = 4.43MHz, 1Vp-p input. Among TVVOUT,
TVRC and VCRVOUT outputs.
- −50 -
dB
S/N
Reference Level = 0.7Vp-p, CCIR 567 weighting.
BW = 15kHz to 5MHz.
-
74
-
dB
Differential Gain
0.7Vpp 5steps modulated staircase.
chrominance &burst are 280mVpp, 4.43MHz.
-
0.3
-
%
Differential Phase
0.7Vpp 5steps modulated staircase.
chrominance &burst are 280mVpp, 4.43MHz.
-
0.3
- Degree
Note 11. Refer the Figure 1.
Video Signal Output
C2
R1
75 ohm
C1
R2
75 ohm
max: 15pF
max: 400pF
Figure 1. Load Resistance R1+R2 and Load Capacitance C1/C2.
MS0551-E-00
- 13 -
2006/10