CXA2064M
US Audio Multiplexing Decoder
Description
The CXA2064M is an IC designed as a decoder for
the Zenith TV Multi-channel System. Functions
include stereo demodulation, SAP (Separate Audio
Program) demodulation, dbx noise reduction.
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.
•
Various built-in filter circuits greatly reduce external
parts.
•
This IC is near pin to pin compatible with the
CXA2020M.
Applications
TV, VCR and other decoding systems for US audio
multiplexing TV broadcasting
Structure
Bipolar silicon monolithic IC
30 pin SOP (Plastic)
Absolute Maximum Ratings
(Ta = 25°C)
•
Supply voltage
V
CC
11
V
•
Operating temperature Topr –20 to +75
°C
•
Storage temperature
Tstg –65 to +150
°C
•
Allowable power dissipation
P
D
1000
mW
•
STID, SAPID drive current
I
O
2 (max.)
mA
Range of Operating Supply Voltage
9 ± 0.5
V
∗
This device is available only to the licensees of the dbx-TV noise
reduction system.
Standard I/O Level
•
Input level
COMPIN (Pin 7)
•
Output level
TVOUT-L/R (Pins 23 and 22)
Pin Configuration
(Top View)
100mVrms (MONO 100Hz 100% mod.)
490mVrms (MONO 100Hz 100% mod.)
TVOUT-R
VCAWGT
VEWGT
TVOUT-L
SAPOUT
SAPIN
30
29
28
27
26
25
24
23
22
21
20
19
18
M1
17
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
COMPIN
IREF
NOISETC
PCINT1
SAPTC
SAPID
STIN
PLINT
GND
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–
MAINOUT
V
CC
SUBOUT
PCINT2
STID
VGR
MAININ
VEOUT
VCATC
VCAIN
VE
MUTE
FOMO
VETC
E98513-PS
SONY [ SONY CORPORATION ]
