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Sony Semiconductor Electronic Components Datasheet

CXA2094Q Datasheet

US Audio Multiplexing Decoder

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US Audio Multiplexing Decoder
CXA2094Q
Description
The CXA2094Q is an IC designed as a decoder for
the Zenith TV Multi-channel System and also
corresponds with I2C 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 I2C BUS.
48 pin QFP (Plastic)
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 I2C 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
VCC 11
Operating temperature Topr –20 to +75
Storage temperature Tstg –65 to +150
Allowable power dissipation
PD 0.6
V
°C
°C
W
Range of Operating Supply Voltage
9 ± 0.5
V
Standard I/O Level
Input level
COMPIN (Pin 12) 100mVrms
245mVrms (Selected by INSW)
AUX1-L/R (Pins 42 and 41) 490mVrms
AUX2-L/R (Pins 45 and 44) 490mVrms
Output level
TVOUT-L/R (Pins 47 and 46) 490mVrms
Pin Configuration (Top View)
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.
36 35 34 33 32 31 30 29 28 27 26 25
VCAWGT 37
24 NOISETC
SOUT 38
23 STIN
ESAPIN 39
22 SUBOUT
TVOUT-S 40
21 NC
AUX1-R 41
20 VCC
AUX1-L 42
19 NC
NC 43
18 SAPTC
AUX2-R 44
17 GND
AUX2-L 45
16 NC
TVOUT-R 46
15 IREF
TVOUT-L 47
14 VGR
SDA 48
13 NC
1 2 3 4 5 6 7 8 9 10 11 12
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.
–1–
E97725A86


Sony Semiconductor Electronic Components Datasheet

CXA2094Q Datasheet

US Audio Multiplexing Decoder

No Preview Available !

CXA2094Q
–2–


Part Number CXA2094Q
Description US Audio Multiplexing Decoder
Maker Sony Corporation
Total Page 30 Pages
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