la7688b Sanyo Semiconductor Corporation, la7688b Datasheet - Page 2

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

Electrical Characteristics at Ta = 25°C, V CC 40, 45 = 7.8V, I 24 = 12mA
[Circuit voltage current]
Horizontal supply voltage
Supply current
[VIF block]
RF AGC voltage max
RF AGC voltage min
Input sensitivity
AGC range
Maximum allowable input
No-signal video output voltage
Sync signal tip voltage
Video output amplitude
Black noise threshold level voltage
Black noise clamp voltage
Output S/N
1.07MHZ beat level
Frequency characteristics
Differential gain
Differential phase
No-signal AFT voltage
Maximum AFT voltage
Minimum AFT voltage
AFT detection sensitivity tolerance
frequency
VIF input resistance
VIF input capacitance
APC pull-in range (U)
APC pull-in range (L)
Maximum variable range
SIF signal level
VCO1 control sensitivity
[SIF block]
SIF limiting sensitivity
FM detection output voltage
AMR
Distortion
SIF S/N
FM detection range (L)
FM detection range (H)
FM detection output variation
[INT/EXT SW block]
AFT EXT gain
AFT EXT distortion
System SW I-SE
System SW I-P/N
System SW E-P/N
System SW E-SE
Parameter
V CC H
I 40
I 45
V 50 H
V 50 L
V I
GR
V I max
V 8
V 8 tip
V O
V BTH
V BCL
S/N
C/S
fc
DG
DP
V 7
V 7 H
V 7 L
S f
R i
C i
f PU
f PL
∆f U1
∆f L1
Sout
β
V I (lim)
V O (FM)
AMR
THD
S/N (SIF)
W FM L
W FM H
∆V O
G AF
THD AF
V1 TH1
V1 TH2
V1 TH3
V1 TH4
Symbol
Deflection block (V24)
f = 38.9MHz
f = 38.9MHz
Comments ;
I = INT, E = EXT
P/N = PAL/NTSC
SE = SECAM
LA7688B
Conditions
min
110
390
-0.7
6.4
7.5
4.1
1.7
1.7
1.0
2.7
3.6
7.3
0.8
0.8
1.4
7.0
1.7
2.9
4.1
78
34
56
95
48
40
10
40
40
55
6
0
2
0
0
Ratings
typ
0.03
100
-2.0
-2.0
140
500
-0.2
6.9
7.8
0.2
4.4
2.0
2.0
1.3
3.0
3.9
7.6
0.3
1.3
2.0
2.0
2.8
0.3
2.5
8.0
2.0
90
40
39
60
52
44
15
46
60
62
Continued on next page.
9
5
6
3
max
+0.3
-0.8
-0.8
170
100
710
7.4
7.8
0.6
4.7
2.3
2.3
1.7
3.3
4.2
7.8
0.7
5.6
1.0
4.0
3.0
0.5
1.2
2.6
3.8
48
45
10
10
20
52
5
5
No.0077-2/20
mV/kHz
mVrms
mVrms
Vp-p
MHz
MHz
MHz
MHz
MHz
MHz
dBµ
dBµ
Unit
dBµ
deg
kHz
mA
mA
dB
dB
dB
kΩ
PF
dB
dB
dB
dB
%
%
%
V
V
V
V
V
V
V
V
V
V
V
V
V
V