CXA2174S

Manufacturer Part NumberCXA2174S
DescriptionUS Audio Multiplexing Decoder
ManufacturerSony
CXA2174S datasheet
 


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US Audio Multiplexing Decoder
Description
The CXA2174S is an IC designed as a decoder for
the Zenith TV Multi-channel System and also
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corresponds with I
C BUS. Functions include stereo
demodulation, SAP (Separate Audio Program)
demodulation, dbx noise reduction and sound
processor. Various kinds of filters are built-in this IC.
Adjustment, mode control and sound processor
control are all executed through I
Features
• Alignment-free VCO and filter
• Audio multiplexing decoder
dbx noise reduction decoder
sound processor
— One external input
— Volume control
are all included in a single chip. Almost any sort of
signal processing is possible through this IC.
• Input level, separation adjustments and each mode
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control are possible through I
Applications
TV, VCR and other decoding systems for US audio
multiplexing TV broadcasting
Pin Configuration (Top View)
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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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C BUS.
Structure
Bipolar silicon monolithic IC
Absolute Maximum Ratings (Ta = 25°C)
• Supply voltage
• Operating temperature
• Storage temperature
• Allowable power dissipation
C bus.
Range of Operating Supply Voltage
A license of the dbx-TV noise reduction system is
required for the use of this device.
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CXA2174S
30 pin SDIP (Plastic)
V
CC
Topr
–20 to +75 °C
Tstg
–65 to +150 °C
P
D
9 ± 0.5
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V
1.35
W
V
E00815-PS

CXA2174S Summary of contents