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PDF CXA2013M Data sheet ( Hoja de datos )
| Número de pieza | CXA2013M | |
| Descripción | EIAJ Sound Multiplexing Decoder | |
| Fabricantes | Sony Corporation | |
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EIAJ Sound Multiplexing Decoder
CXA2013M
Description
The CXA2013M is a bipolar IC designed as EIAJ
TV sound multiplexing decoder, provides various
functions including sound multiplexing demodulation,
broadcast mode identification (stereo/bilingual
discrimination display), volume, tone control and
muting.
30 pin SOP (Plastic)
Features
• Adjustment free of filter
• Audio multiplexing decoder
• Sound processor
— One external input
— Bass control
— Treble control
— Volume control
— Balance control
are all included in a single chip. Almost any sort of
signal processing is possible through this IC.
• Separation adjustment, each mode control and sound
processor control are possible through I2C BUS.
Absolute Maximum Ratings (Ta = 25°C)
• Supply voltage
VCC 12
V
• Operating temperature
Topr –20 to +75 °C
• Storage temperature
Tstg –65 to +150 °C
• Allowable power dissipation PD
1000 mW
Operating Supply Voltage Range 8.5 to 9.5 V
Applications
TVs
Structure
Bipolar silicon monolithic IC
Pin Configuration
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–
E00Y28A1Y-PS
1 page  
CXA2013M
Pin
No.
Symbol
Pin
voltage
15 LS OUT-R 4.2V
16 LS OUT-L 4.2V
Equivalent circuit
VCC
3k
147 500
15
16 500
10p
84k
Description
LSOUT right channel output
pin
LSOUT left channel output
pin
17 CH-L
18 CH-R
19 CL-L
20 CL-R
4.2V
4.2V
Vcc
250µ
250µ
5.7k
17
147
18
6k
5.7k
Treble filter pin
(Left channel)
Treble filter pin
(Right channel)
4.2V
4.2V
250µ
250µ
Vcc
10.7k
19
20 147
5.4k
12.3k
4.2V
Bass filter pin
(Left channel)
Bass filter pin
(Right channel)
21 AUX-R
22 AUX-L
4.2V
4.2V
36k
21
147
22 12k
4.2V
Vcc
10µ
Right channel external input
pin
Left channel external input
pin
–5–
5 Page 
CXA2013M
Adjustment method
Separation adjustment
EIAJ sound multiplexing encoder
Application circuit
MPX IN
Oscilloscope
RL
AC Voltmeter
TV OUT-L TV OUT-R
CH1 CH2
15kHz LPF
Fig. 1
Switch
Procedure
1) Connect components as shown in Fig.1. (TEST = 0)
2) Set the encoder to MONO mode, and input 110mVrms (1kHz 100% modulation) to MPX IN (Pin 5).
3) Set the encoder to stereo mode, and input only left channel signal (1kHz 100% modulation) to MPX IN
(Pin 5).
4) Monitor the oscilloscope and AC voltmeter and adjust ATT so that the R-ch is at a minimum.
(Separation standard: more than 35dB)
– 11 –
11 Page | ||
| Páginas | Total 23 Páginas | |
| PDF Descargar | [ Datasheet CXA2013M.PDF ] | |
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