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.
26.7±0.3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
Unit : mm
0.5±0.1
4.8±0.25
0.3
– 0.05
+ 0.1
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)
8.4±0.3
1.05±0.25
3.05±0.25
3 to 15˚
10.16±0.25
28-Pin Shrunk DIL Plastic Package
s
Block Diagram
SIF
Filter
Audio Level Adj.
Video Output
25
24
23
22
21
20
19
18
17
SIF
Trap
Audio
Output
26
27
28
Level
Adj.
FM
Det.
SIF
Amp.
VTR
SW
VIF
Amp.
Noise
Inverter
Video
Inverter
16
15
Video
Det.
VCO
1
2
3
4
5
6
7
8
9
10
11
APC
Det.
RF
AGC
IF
AGC
Lock
Det.
AFC
14
13
12
IF
Input
V
CC
V
CC
+ IF
– AGC
Filter
VTR SW
RF
AGC RF
Delay AGC
Adj. Out.
+
–
AFC
SW
AFC
Out.
V
CC
1.778
0.9±0.25
1
PANASONIC [ PANASONIC SEMICONDUCTOR ]
