CXA2202M
EIAJ Sound Multiplexing Decoder
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.
Features
鈥?/div>
Adjustment free of filter
鈥?/div>
High frequency stereo separation improved
鈥?/div>
An internal active filter greatly reduces the
external parts
鈥?/div>
Use of the countdown method for broadcast mode
identification eliminates the necessity of adjusting
the identification system (Cue oscillator)
鈥?/div>
Internal filter eliminates interference from digital
facsimile signals
鈥?/div>
The discrimination time needed to shift from
multiplexing sound to monaural sound is reduced.
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Output level: 520mVrms (1kHz, monaural, 100%)
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Forced monaural mode can be set to operate only
for stereo broadcasts or for stereo/bilingual
broadcasts.
Applications
鈥?/div>
Color TVs
鈥?/div>
Hi-Fi VCRs
Pin Configuration
GND
NC
REFL
Vcc
NC
MO MODE
MPX IN
NC
CUBI
1
2
3
4
5
6
7
8
9
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
Preliminary
28 pin SOP (Plastic)
Structure
Bipolar silicon monolithic IC
Absolute Maximum Ratings
(Ta = 25擄C)
鈥?/div>
Supply voltage
Vcc
10
V
鈥?/div>
Input signal (Pin 7)
Vis
0.6
Vp-p
鈥?/div>
Control voltage
(Pins 6, 16, 17, 18)
Vic
Vcc
V
鈥?/div>
Operating temperature
Topr
鈥?0 to +75 擄C
鈥?/div>
Storage temperature
Tstg 鈥?5 to +150 擄C
鈥?/div>
Allowable power dissipation
P
D
1000
mW
鈥?/div>
LED drive current
I
LED
10
mA
Operating Supply Voltage Range
8.5 to 9.5
V
NC
10
LEDST
11
LEDSU
12
LEDM
13
NC
14
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.
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