CXA2561Q View Datasheet(PDF) - Sony Semiconductor

Part Name

Description

Manufacturer

CXA2561Q

Dolby B-C Type Noise Reduction System with Playback Equalizer Amplifier

Sony Semiconductor 

CXA2561Q

Dolby∗ B-C Type Noise Reduction System with Playback Equalizer Amplifier

Description

The CXA2561Q is an IC designed for use in car

stereo cassette decks. Functions include Dolby B-C

type noise reduction (NR) system, playback equalizer

amplifier and music sensor into a single chip.

40 pin QFP (Plastic)

Features

• Few external parts

• Small package (40-pin QFP)

• Same pin configuration as for the Dolby B type NR

system (CXA2560Q) and no Dolby NR system

(CXA2559Q)

• Dolby B-C type NR and playback equalizer

amplifier into a single chip

• FORWARD/REVERSE head select switch

• Mute function

• Music signal interval detection level can be set by

the external resistors/capacitors (2 modes).

• High-frequency cut-off of the music sensor circuit

can be adjusted by the external capacitance.

Applications

• Car stereo cassette decks

• Playback-only cassette decks

Structure

Bipolar silicon monolithic IC

Absolute Maximum Ratings

• Supply voltage

VCC

• Operating temperature Topr

• Storage temperature Tstg

• Power dissipation

PD

12

V

–40 to +85 °C

–65 to +150 °C

430

mW

Operating Condition

Supply voltage

VCC

7.8 to 11

V

∗ 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–

E97439A79-PS

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