[AK4710]
ANALOG CHARACTERISTICS (VIDEO)
(Ta = 25°C; VP = 12V, VD1=VD2= VVD = 3.3V; unless otherwise specified.)
Parameter
Conditions
Sync Tip Clamp Voltage
at output pin.
R/G/B Clamp Voltage
at output pin.
Pb/Pr 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 10MHz.
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
1)
Load Capacitance
C1 (Figure
1)
C2 (Figure
1)
Dynamic Output Signal
f = 100kHz, maximum with distortion < 1.0%
Y/C Crosstalk
f = 4.43MHz, 1Vp-p input. Among TVVOUT,
TVRC and RCAVOUT 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.
R1
75 ohm
Video Signal Output
C2
max: 15pF
C1
max: 400pF
min
5.5
-0.5
-1.0
typ
0.20
0.20
1.44
1.44
6
-
-3
-40
max
6.5
0.5
0.5
-20
20
-
1.25
-
400
15
2.5
-
-
-
-
80
-
150
100
-
-
Units
V
V
V
V
dB
dB
dB
dB
dB
ns
kΩ
Vpp
Ω
pF
pF
Vpp
dB
dB
%
Degree
-
-
-
-
-
-
−50
74
0.6
1.4
R2
75 ohm
Figure 1. Load Resistance R1+R2 and Load Capacitance C1/C2.
Rev. 0.3
-9-
2011/07
AKM [ ASAHI KASEI MICROSYSTEMS ]
