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Sony Semiconductor Electronic Components Datasheet

CXA2202M Datasheet

EIAJ Sound Multiplexing Decoder

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EIAJ Sound Multiplexing Decoder
CXA2202M
Description
The CXA2202M, is a bipolar IC designed as EIAJ
TV sound multiplexing decoder, provides various
functions including sound multiplexing
demodulation, broadcast mode identification
(stereo/bilingual discrimination display), mode
display, and muting.
28 pin SOP (Plastic)
Features
Adjustment free of filter
High frequency stereo separation improved
An internal active filter greatly reduces the
external parts
Use of the countdown method for broadcast
mode identification eliminates the necessity of
adjusting the identification system (Cue oscillator)
Internal filter eliminates interference from digital
facsimile signals
The discrimination time needed to shift from
multiplexing sound to monaural sound is reduced.
Output level: 520mVrms (1kHz, monaural, 100%)
Forced monaural mode can be set to operate
only for stereo broadcasts or for stereo/bilingual
broadcasts.
Applications
Color TVs
Hi-Fi VCRs
Structure
Bipolar silicon monolithic IC
Absolute Maximum Ratings (Ta = 25°C)
Supply voltage
Vcc 10 V
Input signal (Pin 7)
Vis
0.6 Vp-p
Control voltage
(Pins 6, 16, 17, 18)
Vic
Vcc V
Operating temperature Topr –20 to +75 °C
Storage temperature Tstg –65 to +150 °C
Allowable power dissipation
PD 1000 mW
LED drive current ILED 10 mA
Operating Supply Voltage Range 8.5 to 9.5 V
Pin Configuration
GND 1
NC 2
REFL 3
Vcc 4
NC 5
MO MODE 6
MPX IN 7
NC 8
CUBI 9
NC 10
LEDST 11
LEDSU 12
LEDM 13
NC 14
28 SUBI
27 NC
26 SC OUT
25 SC IN
24 NC
23 MC OUT
22 MC IN
21 L OUT
20 R OUT
19 M OUT
18 FOMO
17 MUTE
16 MODE
15 NC
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any
implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
–1–
E02965


Sony Semiconductor Electronic Components Datasheet

CXA2202M Datasheet

EIAJ Sound Multiplexing Decoder

No Preview Available !

Block Diagram
CXA2202M
28 27 26 25 24 23 22 21 20 19 18 17 16 15
SUBDEEM
FM
DEMOD
MAINDEEM
OUTPUT AMP
& OUTPUT SW
MAIN
LR
SUB
MATRIX
MAIN
OUT
BIAS
CURRENT
IBIAS
BUFFER
BIAS
VOLTAGE
VOLTAGE
REGULATOR
1 2 345
SUB
DET
SUB
BPF
IIL LOGIC & CONT
CUE
CARRIER
3.5fH
CLOCK
3.5fH
VCO
952Hz
CLOCK
4.5fH
TRAP
CUE
BPF
AM
DEMOD
952Hz
BPF
COMP
LED
DRIVE
MPX SIGNAL
6
78
9 10 11 12
13
14
2


Part Number CXA2202M
Description EIAJ Sound Multiplexing Decoder
Maker Sony Corporation
Total Page 18 Pages
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