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PDF CXA1917AM Data sheet ( Hoja de datos )
| Número de pieza | CXA1917AM | |
| Descripción | Dolby S type Noise Reduction Processor | |
| Fabricantes | Sony Corporation | |
| Logotipo |  |
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CXA1917AM/AS
Dolby∗ S type Noise Reduction Processor
Description
The CXA1917AM/AS is a bipolar IC designed for
use in the Dolby S type noise reduction system (NR).
An external operational amplifier is required to
configure the decoder. The stereo Dolby B-C-S type
NR combines use of a CXA1563M/S and two
CXA1917AM/AS ICs.
30 pin SOP (Plastic)
Features
• Considerable reduction in the number of external parts
(half compared to CXA1417S/Q)
• The same Dolby level as that of CXA1560 series ICs (–6dBm)
Structure
Bipolar silicon monolithic IC
Absolute Maximum Ratings (Ta = 25°C)
• Supply voltage
VCC to VEE 17
• Operating temperature
Topr
–20 to +75
• Storage temperature
Tstg –65 to +150
• Allowable power dissipation PD (CXA1917AM) 600
(CXA1917AS) 1200
V
°C
°C
mW
mW
Recommended Operating Conditions
Supply voltage
VCC
VEE
4.5 to 6.5
–4.5 to –6.5
V
V
30 pin SDIP (Plastic)
∗ This IC is available only to the licensees of Dolby Laboratories Licensing Corporation from whom licensing and applications
information may be obtained.
∗ "Dolby" and the double D symbols are trademarks of Dolby Laboratories Licensing Corporation.
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–
E95Y15B74
1 page  
CXA1917AM/AS
Pin No. Symbol DCV (V)
9 FBOH
0
22 FBOL
0
Equivalent Circuit
VCC
1.6k
9
22 5.1k
VCT
GND
VCC
Description
HLS/HF/FB VCR output
LLS/HF/FB VCR output
10 TCF1H
10
0
80k
Primary time constant for
the HLS/HF/FB detector
11 TCF2H
18 TCF2L
–4.6
–4.6
11
18
340k
22k
12 TCS2H
20 TCS2L
–4.6
–4.6
12
20
364k
46k
VEE
VCC
Secondary time constant
for the HLS/HF/FB
detector
VEE
VCC
2k
Secondary time constant
for the LLS/HF/FB
detector
Secondary time constant
for the HLS/HF/SB
detector
4k
VEE
Secondary time constant
for the LLS/FB/SB
detector
–5–
5 Page 
CXA1917AM/AS
– 11 –
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet CXA1917AM.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| CXA1917AM | Dolby S type Noise Reduction Processor | Sony Corporation |
| CXA1917AS | Dolby S type Noise Reduction Processor | Sony Corporation |
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