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CXA1734S Datasheet

  • CXA1734S

  • US Audio Multiplexing Decoder

  • 472.12KB

  • 30頁(yè)

  • SONY   SONY

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CXA1734S
US Audio Multiplexing Decoder
For the availability of this product, please contact the sales office.
Description
The CXA1734S is an IC designed as a decoder
for the Zenith TV Multi-channel System also
corresponds with I
2
C BUS. Functions include stereo
demodulation, SAP (Separate Audio Program)
demodulation and dbx noise reduction. Various
kinds of filters are built in while adjustment and
mode control are all executed through I
2
C BUS.
Features
鈥?/div>
Audio multiplexing decoder and dbx noise
reduction decoder are all included in a single chip.
Almost any sort of signal processing is possible
through this IC.
鈥?/div>
All adjustments are possible through I
2
C BUS to
allow for automatic adjustment.
鈥?/div>
Various built-in filter circuits greatly reduce external
parts.
Standard I/O Level
鈥?/div>
Input level
COMPIN (Pin 11) 245 mVrms
鈥?/div>
Output level
LOUT (Pin 29)
490 mVrms
ROUT (Pin 28)
490 mVrms
30 pin SDIP (Plastic)
Absolute Maximum Ratings
(Ta=25擄C)
11
鈥?/div>
Supply voltage
V
CC
鈥?/div>
Operating temperature Topr
鈥?0 to +75
鈥?/div>
Storage temperature
Tstg 鈥?5 to +150
鈥?/div>
Allowable power dissipation
P
D
Range of Operating Supply Voltage
1.35
9 鹵 0.5
V
擄C
擄C
W
V
Applications
TV, VCR and other decoding systems for US audio
multiplexing TV broadcasting
Structure
Bipolar silicon monolithic IC
Pin Configuration (Top View)
VCAWGT
NOISETC
VEWGT
SAPOUT
VCATC
VEOUT
ROUT
VCAIN
LOUT
ITIME
VETC
SAPIN
30
29
28
27
26
25
24
23
22
21
20
19
18
17
GND
NC
VE
16
1
SDA
2
SCL
3
DGND
4
SAD
5
VGR
6
IREF
7
MAININ
8
MAINOUT
9
PLINT
10
STFIL
11
COMPIN
12
SAPTC
13
SUBOUT
14
STIN
15
V
CC
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.
鈥?鈥?/div>
E94612B5Z-TE

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