[AK4709]
ANALOG CHARACTERISTICS (VIDEO)
(Ta = 25°C; VP = 12V, VD1=VD2= VVD1 = VVD2 = 3.3V; unless otherwise specified.)
Parameter
Conditions
min
typ
0.24
0.24
1.49
1.49
6
max
Units
V
V
V
V
Sync Tip Clamp Voltage
R/G/B Clamp Voltage
Pb/Pr Clamp Voltage
Chrominance Bias Voltage
Gain
at output pin.
at output pin.
at output pin.
at output pin.
Input = 0.3Vp-p, 100kHz
5.5
-0.5
6.5
0.5
dB
dB
Interchannel Gain Mismatch1 TVRC, TVG, TVB. Input = 0.3Vp-p, 100kHz.
-
VCRC, VCRGO, VCRBO.
Input = 0.3Vp-p, 100kHz.
Input=0.3Vp-p, C1=C2=0pF. 100kHz to 6MHz.
at 10MHz.
Interchannel Gain Mismatch2
-0.5
-1.0
-
0.5
0.5
dB
Frequency Response
dB
dB
dB
ns
-3
-40
at 27MHz.
-20
20
-
Group Delay Distortion
Input Impedance
Input Signal
At 4.43MHz with respect to 1MHz.
Chrominance input (internally biased)
f = 100kHz, maximum with distortion < 1.0%,
gain = 6dB.
40
-
60
-
kΩ
1.25
Vpp
Load Resistance
Load Capacitance
(Figure 1)
C1 (Figure 1)
C2 (Figure 1)
150
-
-
Ω
pF
pF
400
15
Dynamic Output Signal
Y/C Crosstalk
f = 100kHz, maximum with distortion < 1.0%
f = 4.43MHz, 1Vp-p input. Among TVVOUT,
TVRC and VCRVOUT outputs.
Reference Level = 0.7Vp-p, CCIR 567 weighting.
BW = 15kHz to 5MHz.
0.7Vpp 5steps modulated staircase.
chrominance &burst are 280mVpp, 4.43MHz.
0.7Vpp 5steps modulated staircase.
chrominance &burst are 280mVpp, 4.43MHz.
-
-
-
2.5
Vpp
-
-
-
-
dB
dB
−50
S/N
-
-
-
74
0.6
0.8
Differential Gain
Differential Phase
%
Degree
R1
75 ohm
Video Signal Output
R2
75 ohm
C2
C1
max: 15pF
max: 400pF
Figure 1. Load Resistance R1+R2 and Load Capacitance C1/C2.
MS1319-E-00
2011/07
- 11 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
