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參數(shù)資料
| 型號： | CXA2094Q |
| 廠商： | Sony Corporation |
| 元件分類： | 通用總線功能 |
| 英文描述： | US Audio Multiplexing Decoder |
| 中文描述： | 美國音頻多路復(fù)用解碼器 |
| 文件頁數(shù)： | 1/31頁 |
| 文件大?。?/td> | 386K |
| 代理商： | CXA2094Q |
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CXA2094Q
48 pin QFP (Plastic)
E97725A86
US Audio Multiplexing Decoder
Description
The CXA2094Q is an IC designed as a decoder for
the Zenith TV Multi-channel System and also
corresponds with I
2
C BUS. Functions include stereo
demodulation, SAP (Separate Audio Program)
demodulation, dbx noise reduction. Various kinds of
filters are built in while adjustment and mode control
are all executed through I
2
C BUS.
Features
Adjustment free of VCO and filter.
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.
All adjustments are possible through I
2
C BUS to
allow for automatic adjustment.
Various built-in filter circuits greatly reduce external
parts.
There are two systems for external inputs.
There is an additional SAP output.
Absolute Maximum Ratings
(Ta = 25°C)
Supply voltage
Operating temperature
Storage temperature
Allowable power dissipation
V
CC
Topr
Tstg
11
V
–20 to +75
–65 to +150
°C
°C
P
D
0.6
W
Range of Operating Supply Voltage
9 ± 0.5
V
Applications
TV, VCR and other decoding systems for US audio
multiplexing TV broadcasting
Structure
Bipolar silicon monolithic IC
A license of the dbx-TV noise reduction system is
required for the use of this device.
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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31
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48
1
SDA
S
D
M
N
N
N
C
N
P
P
V
V
V
V
V
N
N
N
V
S
N
S
TVOUT-L
TVOUT-R
AUX2-L
TVOUT-S
AUX2-R
AUX1-L
AUX1-R
ESAPIN
SOUT
VCAWGT
NC
VGR
NC
GND
SAPTC
V
CC
SUBOUT
STIN
M
P
IREF
NC
NOISETC
NC
NC
Standard I/O Level
Input level
COMPIN (Pin 12)
100mVrms
245mVrms (Selected by INSW)
490mVrms
490mVrms
AUX1-L/R (Pins 42 and 41)
AUX2-L/R (Pins 45 and 44)
Output level
TVOUT-L/R (Pins 47 and 46)
490mVrms
Pin Configuration
(Top View)
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