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CXA2020M Datasheet(PDF) 1 Page - Sony Corporation

Part # CXA2020M
Description  EIAJ Sound Multiplexing Decoder
Download  18 Pages
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Manufacturer  SONY [Sony Corporation]
Direct Link  http://www.sony.co.jp
Logo SONY - Sony Corporation

CXA2020M Datasheet(HTML) 1 Page - Sony Corporation

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Description
The CXA2020M/S, 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.
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).
• Output level: 520mVrms (1kHz, monaural, 100%).
• Internal filter eliminates interference from digital
facsimile signals.
• The discrimination time needed to shift from
multiplexing sound to monaural sound is reduced.
• 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
Pin Configuration
Absolute Maximum Ratings (Ta = 25°C)
[ ( ) is the pin No. for the CXA2020S.]
• Supply voltage
VCC
10
V
• Input signal (Pin 6)
Vis
0.6
Vp-p
• Control voltage
(Pins 5, 12, 13, 14)
Vic
VCC
V
• Operating temperature Topr
–20 to +75
°C
• Storage temperature
Tstg
–65 to +150
°C
• Allowable power dissipation
PD (A2020M) 1000
mW
(A2020S) 900
mW
• LED drive current
ILED
10
mA
Operating Supply Voltage Range
8.5 to 9.5
V
– 1 –
CXA2020M/S
E94Y28-ST
EIAJ Sound Multiplexing Decoder
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.
CXA2020S
22 pin SDIP (Plastic)
CXA2020M
28 pin SOP (Plastic)
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
1
GND
NC
REFL
Vcc
MO MODE
MPX IN
NC
CUBI
LEDST
LEDSU
LEDM
SUBI
SC OUT
SC IN
MC OUT
MC IN
L OUT
R OUT
M OUT
FOMO
MUTE
MODE
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
1
GND
NC
REFL
Vcc
MO MODE
MPX IN
NC
CUBI
LEDST
LEDSU
LEDM
SUBI
SC OUT
SC IN
MC OUT
MC IN
L OUT
R OUT
M OUT
FOMO
MUTE
MODE
NC
23
24
25
26
27
28
NC
NC
NC
NC
NC
CXA2020M
CXA2020S


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