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Sony Semiconductor Electronic Components Datasheet

CXA1518Q Datasheet

EIAJ Sound Multiplexing Decoder

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CXA1518Q/S
EIAJ Sound Multiplexing Decoder
Description
The CXA1518Q/S are bipolar ICs designed for
EIAJ TV sound multiplexing decoders. These ICs
provide various functions including sound
multiplexing demodulation, broadcast mode
discrimination (stereo/bilingual discrimination
display), mode display, and muting.
CXA1518Q
32 pin QFP (Plastic)
CXA1518S
22 pin SDIP (Plastic)
Features
External parts greatly reduced with a built-in active
filter.
Count down can be used for broadcast mode
discrimination so that adjustment for discrimination
system (Q-OSC) is not required.
Output level of 380 mVrms (1 kHz, MONO, 100 %)
Forced monaural operates with both stereo and
bilingual broadcasts.
Built-in digital facsimile interference elimination
filter.
Low supply voltage (VCC=5 V)
The pin configuration of the CXA1518S is identical
to that of the CXA1138AS.
Applications
Color TVs
Hi-Fi VCRs
Liquid crystal TVs
Structure
Bipolar silicon monolithic IC
Absolute Maximum Ratings (Ta=25 °C)
[Pin numbers shown are for the CXA1518S.]
Supply voltage
VCC 10 V
Input signal
(Pin 6)
VIS 0.6 Vp-p
Control voltage
(Pins 12, 13, 14)
VIC VCC V
Operating temperature Topr –20 to +75 °C
Storage temperature Tstg –65 to +150 °C
Allowable power dissipation
PD 900 mW
(SDIP)
470 mW
(QFP)
LED drive current Iled 10 mA
Operating Voltage
6.0 to 4.5 V
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—
E92604A79-TE


Sony Semiconductor Electronic Components Datasheet

CXA1518Q Datasheet

EIAJ Sound Multiplexing Decoder

No Preview Available !

CXA1518Q/S
Block Diagram
CXA1518Q
24 23 22 21 20 19 18 17
TEST
SCIN 25
SCOUT 26
MAIN
DEEM
L
MATRIX R
OUTPUTAMP &
OUTPUT SW
MAIN
OUT
SUB
DEEM
MAIN
SUB
CUE
CARRIER
I 2L LOGIC
NC 27
SUBI 28
FM
BIAS DEMOD
GND 29 CURRENT
SUB
DET
3.5fH 952HZ
CLOCK CLOCK
16 FOMO
CONT
15 MUTE
14 MODE
13 NC
12 NC
FLAJ 30
REFL 31
VCC 32
IBIAS
VOLTAGE
REGULATOR
SUB
BPF
3.5fH
VCO
BUFFER
4.5fH CUE
TRAP BPF
AM
DEMOD
BIAS
VOLTAGE
INAMP
MPX SIGNAL
LED
DRIVE
11 LEDMAIN
10 LEDSUB
952HZ
BPF
9 LEDST
COMP
12345678
CXA1518S
22 21 20 19
TEST
L
MATRIX R
SUB
DEEM
SUB
18 17 16
OUTPUTAMP
&
OUTPUT SW
15 14
MAINOUT
13 12
CONT
FM MAIN
DEMOD DEEM
MAIN
SUB
SUB
BPF DET
BIAS
CURRENT BUFFER
BIAS
4.5fH
TRAP
VOLTAGE
CUE
CARRIER
3.5fH
VCO
I 2L LOGIC
3.5fH 952HZ
CLOCK CLOCK
AM
DEMOD
952HZ
BPF
COMP
IBIAS
VOLTAGE
REGULATOR
CUE
BPF
MPX SIGNAL
LED
DRIVE
1 2 3 4 5 6 7 8 9 10 11
—2—


Part Number CXA1518Q
Description EIAJ Sound Multiplexing Decoder
Maker Sony Corporation
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