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PDF CXA2021 Data sheet ( Hoja de datos )
| Número de pieza | CXA2021 | |
| Descripción | I2C BUS Sound Processor for TV | |
| Fabricantes | Sony Corporation | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CXA2021 (archivo pdf) en la parte inferior de esta página. Total 16 Páginas | ||
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I2C BUS Sound Processor for TV
CXA2021S
Description
The CXA2021S is a bipolar IC developed as an I2C
BUS control sound processor for TV. This IC
implements surround, tone control, balance, volume,
mute and AGC functions.
22 pin SDIP (Plastic)
Features
• I2C BUS control
• The AGC circuit is adopted to absorb volume
differences between input sources and improve the
S/N ratio in hearing.
Absolute Maximum Ratings
• Supply voltage
VCC 14
V
• Operating temperature Topr –20 to +75 °C
• Storage temperature
Tstg –65 to +150 °C
• Allowable power dissipation PD
0.9 W
Structure
Bipolar silicon monolithic IC
Applications
TVs
Recommended Operating Condition
Supply voltage
8 to 13
V
Pin Configuration
22 21 20 19 18 17 16 15 14 13 12
1 2 3 4 5 6 7 8 9 10 11
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–
E95319-ST
1 page  
CXA2021S
Pin No. Symbol Voltage
13 DET1
7.8V
Equivalent circuit
Vcc
40k
13
2k
Description
AGC detector output.
Connect capacitance for
setting time constant.
15 PS
18k
130
6V 15
18k
Vcc
10µ
Pin for connecting external
capacitance of the surround
phase shifter.
Internal impedance is
approximately 18kΩ.
16 HPO
500
10k
6V 16
500
Vcc
AGC HPF output pin.
17 HPI
6V 17
130
Vcc
2
Vcc
10µ
5k
AGC HPF input pin.
16k 16k
–5–
5 Page 
CXA2021S
– 11 –
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet CXA2021.PDF ] | |
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