
ASAHI KASEI 
[AK4706] 
MS0507-E-00 
2006/05 
- 15 - 
ANALOG CHARACTERISTICS (SD VIDEO) 
 (Ta = 25
°
C; VP=12V, VD1=VD2=5V; VVD1=VVD2=VVD3=VVD4=5V; VVOL1/0= “00”, unless otherwise 
specified.) 
Parameter 
Conditions 
Sync Tip Clamp Voltage 
at output pin. 
Chrominance Bias Voltage 
at output pin. 
R/G/B Clamp Voltage 
at output pin. 
Pb/Pr Clamp Voltage 
at output pin. 
Gain 
Input=0.3Vp-p, 100kHz 
VVOL1/0= “00” 
VVOL1/0= “01” 
VVOL1/0= “10” 
VVOL1/0= “11” 
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, distortion < 1.0%, gain=6dB 
Load Resistance 
(Note 18) 
Load Capacitance 
C1    (Note 18) 
C2    (Note 18) 
Dynamic Output Signal 
f=100kHz, 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 18. Refer the Figure 1. 
min
typ 
0.7 
2.2 
0.7 
2.2 
6 
6 
7.2 
8.2 
9.1 
- 
-3 
-40 
60 
- 
- 
max 
6.5 
6.5 
7.7 
8.7 
9.6 
0.5 
0.5 
-25 
15 
- 
1.5 
- 
400 
15 
3 
- 
Units
V 
V 
V 
V 
dB 
dB 
dB 
dB 
dB 
dB 
dB 
dB 
dB 
ns 
k
Vpp 
pF 
pF 
Vpp 
dB 
5.5 
5.5 
6.7 
7.7 
8.6 
-0.5
-1.0
RGB Gain 
Input=0.3Vp-p, 
100kHz 
40 
- 
150 
- 
- 
- 
-50 
- 
74 
- 
dB 
- 
+0.3 
- 
% 
- 
+0.6 
- 
Degree
Video Signal Output
75 
75 
max: 400pF
C1 
R1 
R2 
max: 15pF 
C2 
Figure 1. Load Resistance R1+R2 and Load Capacitance C1/C2.