ASAHI KASEI
[AK4704]
AKM CONFIDENTIAL
ANALOG CHARACTERISTICS (VIDEO)
(Ta = 25°C; VP=12V, VD = 5V; VVD1=VVD2 = 5V; VVOL1/0= “00”, YC=“0” unless specified.)
Parameter
Conditions
min
typ
0.7
2.2
6
max
Units
V
V
Sync Tip Clamp Voltage
Chrominance Bias Voltage
Gain
at output pin.
at output pin.
Input=0.3Vp-p, 100kHz
5.5
5.5
6.7
7.7
8.6
-0.3
-1.0
6.5
6.5
7.7
8.7
9.6
0.3
0.5
dB
dB
dB
dB
dB
dB
dB
dB
dB
ns
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 12MHz.
-3
-40
at 27MHz.
-35
15
-
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
-
kohm
Vpp
1.5
Load Resistance
Load Capacitance
(Note: 16)
C1 (Note: 16)
C2 (Note: 16)
150
-
-
400
15
3
ohm
pF
pF
Vpp
dB
Dynamic Output Signal
Y/C Crosstalk
f=100kHz, maximum with 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: 16. Refer the Figure 1.
TBD
TBD
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.
Rev. 0.5
2004/1
- 12 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
