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CXA1550P

Sony Corporation
Part Number CXA1550P
Manufacturer Sony Corporation
Description Dolby B type Noise Reduction System
Published Mar 27, 2005
Detailed Description CXA1550P, CXA1551M/P CXA1552M/P, CXA1553M/P Dolby B∗ type Noise Reduction System Description The CXA1550/CXA1551/CXA155...
Datasheet PDF File CXA1550P PDF File

CXA1550P
CXA1550P

Overview
CXA1550P, CXA1551M/P CXA1552M/P, CXA1553M/P Dolby B∗ type Noise Reduction System Description The CXA1550/CXA1551/CXA1552/CXA1553 are bipolar ICs providing two separate Dolby B type noise reduction processors.
The series is composed of seven devices having four Dolby levels and two types of package for various applications.
These devices feature very few external components, which is achieved by monolithic filter circuits using integrated thin film capacitors with high capacitance.
Features • Pin replaceable with CXA1100 series • Minimum number of external components • NR ON/OFF/Double Speed, REC/PB switches included • Small package (16 pin SOP, 16 pin DIP) • Low current consumption 5.
6mA typ.
• Dual channel processors in one chip • Double speed encode and decode functions are provided.
CXA1551M/CXA1552M CXA1553M 16 pin SOP (Plastic) CXA1550P/CXA1551P CXA1552P/CXA1553P 16 pin DIP (Plastic) Absolute Maximum Ratings (Ta=25 °C) • Supply voltage VCC 23 • Operating temperature Topr –40 to +85 • Storage temperature Tstg –65 to +150 • Allowable power dissipation PD V °C °C SOP16 (A1551M/A1552M/A1553M) 500 mW DIP16 (A1550P/A1551P/A1552P/A1553P) 900 mW ∗ These ICs are 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 trade marks 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— E92315A79-TE Block Diagram PB IN C5 1µ LINE OUT 1 R1 18k C8 2.
2µ TC 1 REC OUT 1 9 8 VCC/2 LINE OUT 2 TC 2 NR SW REC OUT 2 C4 1µ PB IN 2 C6 2.
2µ C7 2.
2µ C9 0.
1µ C11 2.
2µ PB IN ON/OFF/×2 ...


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