AN5138 Ver la hoja de datos (PDF) - Panasonic Corporation
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AN5138 Datasheet PDF : 3 Pages
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ICs for TV
AN5138NK
Video IF Amplifier, PLL Detector, AGC, AFC, SIF IC for Color TV
s Overview
The AN5138NK is an integrated circuit designed for
video-IF and audio-IF processing circuits, in color TV and
VCR.
s Features
• By adopting built-in VCO PLL-type video-detector cir-
cuit, the high preformance IC-detector system can be
realized for sound multiplex and tele-text broadcasting.
• Quadrature sound FM detector built-in.
• Frequency characteristics compensation pin (Pin20)
VCR-switch pin (Pin5)
• Sound-output level-adjustment pin (Pin25)
Unit : mm
1
28
2
27
3
26
4
25
5
24
6
23
7
22
8
21
9
20
10
19
11
18
12
17
13
16
14
15
8.4±0.3
4.8±0.25
1.05±0.25
3.05±0.25
3 to 15˚ 10.16±0.25
0.3
+
–
00..105
28-Pin Shrunk DIL Plastic Package
s Block Diagram
Audio Level Adj.
SIF
Filter
Video Output
Audio
Output
IF
Input
25
24
23
22
21
20
19
26
Level
27
Adj.
VIF
Amp.
28
FM
Det.
VTR
SIF
SW
Amp.
1
Noise
Inverter
Video
Det.
2
RF
AGC
IF
AGC
Lock
Det.
AFC
3
4
5
6
7
8
9
IF
RF
VCC
AGC AGC RF
Filter Delay AGC
VTR SW
Adj. Out.
AFC
SW
10
AFC
Out.
18
Video
Inverter
VCO
APC
Det.
11
SIF
Trap
17
16
15
14
13
VCC
12
1
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