la7688b Sanyo Semiconductor Corporation, la7688b Datasheet - Page 3

• Manufacturer Part Number: la7688b
• Description: Pal/ntsc Color Television-use Single-chip Lsi
• Manufacturer: Sanyo Semiconductor Corporation

Continued from preceding page.
[Video SW block]
Video input 1 DC voltage
Video input 1 AC voltage
Video input 2 DC voltage
Video input 2 AC voltage
SVO pin DC voltage
SVO pin AC voltage
[Filter block]
Filter automatic adjustment open voltage
S input threshold
C-TRAP
C-BPF1
C-BPF2
C-BPF3
Y-DL time 1
Y-DL time 2
Y-DL time 3
Y-DL time 4
[Video block]
Contrast center
Contrast variable range
Bright min (0.5V)
Bright typ (2.5V)
Bright max (4.5V)
Soft control characteristics
Sharp control characteristics
Y signal frequency characteristics (1)
Y signal frequency characteristics (2)
Y signal frequency characteristics (3)
DC transmission ratio
Black expansion threshold
Black expansion maximum gain
[Chroma common]
R-Y output DC voltage
R-Y output AC voltage
B-Y output DC voltage
B-Y output AC voltage
R-Y input DC voltage
R-Y input AC voltage
R-Y input AC range
B-Y input DC voltage
B-Y input AC voltage
B-Y input AC range
Color residue
Contrast color amplitude characteristics
RGB difference output DC difference
voltage
RGB difference output DC voltage
temperature characteristics
RGB difference residual distortion level
RGB difference output residual carrier
level
Parameter
V 10 DC
V 10 AC
V 14 DC
V 14 AC
V 16 DC
V 16 AC
V 9 OPN
V 9 TH
G TRAP
G BPF1
G BPF2
G BPF3
T dy1
T dy2
T dy3
T dy4
E CCEN
dGC
VB min
VB typ
VB max
dGSOFT
dGSHARP
BW1
BW2
BW3
dVAPL
B STH
BS max
V 39 DC
E 39 AC
V 38 DC
E 38 AC
V 37 DC
E 37 AC
V 37 ALC
V 36 DC
E 36 AC
E 36 ALC
E CMIN
dGCC
dVC
∂VC-Y/∂T
E car
e car
Symbol
fsc = 4.43MHz
PAL
NTSC
S (PAL)
SECAM
S-VHS
PAL
NTSC
Chroma no input
Chroma no input
Chroma no input
LA7688B
Conditions
min
18.0
400
410
230
510
-6.0
160
160
-0.3
-20
-20
3.2
3.2
2.5
1.7
3.3
1.5
1.0
0.4
1.9
3.4
4.5
4.5
3.2
2.6
3.6
0.4
3.6
0.3
4.2
0.4
4.2
0.3
40
30
-5
-2
-6
Ratings
typ
22.0
3.63
3.05
0.55
0.45
0.55
0.45
450
280
560
-4.0
100
200
200
460
-26
-13
3.5
1.0
3.5
1.0
2.8
2.0
3.8
2.0
1.2
0.7
2.2
3.7
7.5
5.0
4.0
4.0
4.6
4.6
0.0
0.0
50
35
-3
-1
-4
Continued on next page.
max
26.0
10.5
-2.0
500
510
330
610
250
250
200
-32
3.8
3.8
3.1
2.3
4.3
2.5
1.4
1.0
2.5
4.0
5.5
4.0
3.4
4.4
0.7
4.4
0.6
5.0
0.7
5.0
0.6
0.3
0.2
0.3
60
40
-1
-2
-6
0
No.0077-3/20
mVp-p
mVp-p
mV/°C
Vp-p
Vp-p
Vp-p
Vp-p
Vp-p
Vp-p
Vp-p
Vp-p
Vp-p
Vp-p
Vp-p
MHz
MHz
MHz
Vp-p
Unit
IRE
IRE
dB
dB
dB
dB
dB
dB
dB
dB
ns
ns
ns
ns
%
V
V
V
V
V
V
V
V
V
V
V
V