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LA75521VA Datasheet(PDF) 5 Page - Sanyo Semicon Device

Part No. LA75521VA
Description  IF Signal Processing (VIFSIF) IC that Supports the PAL Video Standard for TV Sets and VCRs
Download  13 Pages
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Maker  SANYO [Sanyo Semicon Device]
Homepage  https://www.sanyo-av.com/us/
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LA75521VA Datasheet(HTML) 5 Page - Sanyo Semicon Device

 
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LA75521VA
No.A1004-5/13
Pin Assignment
Block Diagram
SIF SYSTEM SW B
1
DE-EMPHASIS C
AUDIO BIAS FILTER
VCC
VIDEO OUTPUT
EQ FILTER
SIF SYSTEM SW A
APC FILTER
VIF FREQUENCY SW
REFERENCE CP INPUT
AUDIO OUTPUT
FILTER CONTROL C
AFT MUTE LEVEL
GND
VIF IN 2
VIF IN 1
VIF AGC FILTER
1st SIF INPUT
RF AGC OUTPUT
AFT OUTPUT
FM PLL FILTER
RF AGC VR
SIF CARRIER OUTPUT
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
SIF AGC FILTER
LA75521VA
Top view
VIF
AMP
APC
VIDEO
DET
VCO
AFT
1stSIF
AMP
AGC
INT
SPLIT
TRAP
IF
AGC
FM
DET
AMP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
19
20
21
22
23
24
18
EQ
AMP
RF
AGC
MODE
CTRL
SW
SW10 VIF FREQUENCY
V3
39.5MHz
V2
38.9MHz
V1
38.0MHz
4.43MHz
SHORT
4.0MHz
OPEN
SW11
REFERENCE
SW13
SYSTEM
OPEN
SPLIT
SHORT
INTER
VIF FREQ.
4.43/4MHz
V3
V2
V1
SW10
SW11
VIDEO
OUTPUT
AFT
OUTPUT
SAWF(P)
AUDIO
OUTPUT
SOUND CARRIER
OUTPUT
SAWF(S)
SW15
RF AGC
OUTPUT
VIF/SIF
INPUT
SW13
VCC
1
μF
270k
Ω
1000pF
1
μF
0.022
μF
DE-
EMP
SIF
AMP
AMP
AGC
SYSTEM SW
B
SYSTEM SW
A
V4
V3
V2
V1
SW15 AFT MUTE LEVEL
V4
MIDDLE (VCC/2)
V3
MIDDLE (VCC/2)
V2
HI (VCC)
V1
HI (VCC)
B/G TRAP SHIFT
0
+250kHz
0
+250kHz
Pin 7 Pin 9
HI
HI
HI
LO
LO
HI
LO
LO
SIF SYSTEM
M
I
B/G
D/K
TRAP
0.033
μF
3.3k
Ω
0.01
μF
0.47
μF
51
Ω
330pF
0.01
μF


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