AK4709 Datasheet, PDF (11/42 Pages) Asahi Kasei Microsystems – Low Power AV SCART Switch

[AK4709]
ANALOG CHARACTERISTICS (VIDEO)
(Ta = 25°C; VP = 12V, VD1=VD2= VVD1 = VVD2 = 3.3V; unless otherwise specified.)
Parameter
Conditions
min typ max Units
Sync Tip Clamp Voltage
at output pin.
0.24
V
R/G/B Clamp Voltage
at output pin.
0.24
V
Pb/Pr Clamp Voltage
at output pin.
1.49
V
Chrominance Bias Voltage at output pin.
1.49
V
Gain
Input = 0.3Vp-p, 100kHz
5.5 6 6.5 dB
Interchannel Gain Mismatch1 TVRC, TVG, TVB. Input = 0.3Vp-p, 100kHz.
-0.5 -
0.5
dB
Interchannel Gain Mismatch2
VCRC, VCRGO, VCRBO.
Input = 0.3Vp-p, 100kHz.
-0.5
-
0.5
dB
Frequency Response
Input=0.3Vp-p, C1=C2=0pF. 100kHz to 6MHz. -1.0
0.5 dB
at 10MHz.
-3
dB
at 27MHz.
-40 -20 dB
Group Delay Distortion
At 4.43MHz with respect to 1MHz.
20
ns
Input Impedance
Chrominance input (internally biased)
40 60
-
kΩ
Input Signal
f = 100kHz, maximum with distortion < 1.0%,
gain = 6dB.
-
- 1.25 Vpp
Load Resistance
(Figure 1)
150 -
-
Ω
Load Capacitance
C1 (Figure 1)
400 pF
C2 (Figure 1)
15
pF
Dynamic Output Signal
f = 100kHz, maximum with distortion < 1.0%
-
-
2.5 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.
-
0.6
-
%
Differential Phase
0.7Vpp 5steps modulated staircase.
chrominance &burst are 280mVpp, 4.43MHz.
-
0.8
- Degree
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.
MS1319-E-00
- 11 -
2011/07