[AK4706]
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
min
typ
0.7
2.2
0.7
2.2
6
max
Units
V
V
V
V
Sync Tip Clamp Voltage
Chrominance Bias Voltage
R/G/B Clamp Voltage
Pb/Pr Clamp Voltage
Gain
at output pin.
at output pin.
at output pin.
at output pin.
Input=0.3Vp-p, 100kHz
5.5
5.5
6.7
7.7
8.6
-0.5
-1.0
6.5
6.5
7.7
8.7
9.6
0.5
0.5
dB
dB
dB
dB
dB
dB
dB
dB
dB
ns
kΩ
Vpp
Ω
pF
pF
Vpp
dB
RGB Gain
Input=0.3Vp-p,
100kHz
VVOL1/0= “00”
6
VVOL1/0= “01”
VVOL1/0= “10”
VVOL1/0= “11”
7.2
8.2
9.1
-
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.
-3
-40
at 27MHz.
-25
15
-
1.5
-
400
15
3
Group Delay Distortion
Input Impedance
Input Signal
Load Resistance
Load Capacitance
At 4.43MHz with respect to 1MHz.
Chrominance input (internally biased)
f=100kHz, distortion < 1.0%, gain=6dB
(Note 18)
40
-
150
60
-
-
C1 (Note 18)
C2 (Note 18)
Dynamic Output Signal
Y/C Crosstalk
f=100kHz, distortion < 1.0%
-
-
-
f=4.43MHz, 1Vp-p input. Among TVVOUT,
TVRC, VCRVOUT and VCRC 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.
-50
-
S/N
-
-
-
74
-
-
-
dB
%
Differential Gain
Differential Phase
Note 18. Refer the Figure 1.
+0.3
+0.6
Degree
R1
Ω
75
Video Signal Output
R2
75 Ω
C2
C1
max: 15pF
max: 400pF
Figure 1. Load Resistance R1+R2 and Load Capacitance C1/C2.
MS0507-E-01
2010/09
- 15 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
