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CXA2164Q Datasheet

  • CXA2164Q

  • US Audio Multiplexing Decoder

  • 29頁(yè)

  • SONY   SONY

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CXA2164Q
US Audio Multiplexing Decoder
Description
The CXA2164Q 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, and sound
processor. Various kinds of filters are built in this IC.
Adjustment, mode control and sound processor
control are all executed through I
2
C BUS.
Features
鈥?/div>
Alignment-free VCO and filter
鈥?/div>
Audio multiplexing decoder,
dbx noise reduction decoder,
sound processor
鈥?One external input
鈥?Volume control
are all included in a single chip.
Almost any sort of signal processing is possible
through this IC.
鈥?/div>
Input level, separation adjustments and each mode
control are possible through I
2
C BUS.
Absolute Maximum Ratings
(Ta = 25擄C)
11
鈥?/div>
Supply voltage
V
CC
鈥?/div>
Operating temperature Topr
鈥?/div>
Storage temperature
Tstg
鈥?/div>
Allowable power dissipation
P
D
鈥?0 to +75
鈥?5 to +150
0.6
48 pin QFP (Plastic)
V
擄C
擄C
W
Range of Operating Supply Voltage
9 鹵 0.5
V
Applications
TV, VCR and other decoding systems for US audio
multiplexing TV broadcasting
Structure
Bipolar silicon monolithic IC
Pin Configuration
(Top View)
VEWGT
VETC
SAPIN
SAPOUT
VCATC
VCAIN
VEOUT
鈭?/div>
A license of the dbx-TV noise reduction system is
required for the use of this device.
24 NOISETC
23 STIN
22 SUBOUT
21 NC
20 V
CC
19
NC
NC
NC
NC
36 35 34 33 32 31 30 29 28 27 26 25
VCAWGT 37
NC 38
AUX-R 39
AUX-L 40
NC 41
NC 42
NC 43
NC 44
NC 45
LSOUT-R 46
LSOUT-L 47
SDA 48
1
2
3
4
5
6
7
8
9 10 11 12
NC
VE
18 SAPTC
17
GND
16 NC
15
IREF
14 VGR
13 NC
PCINT1
PCINT2
MANIN
DGND
SCL
NC
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.
MAINOUT
COMPIN
NC
PLINT
NC
NC
鈥?鈥?/div>
E00X21

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