CXA1911Q 查看數據表（PDF） - Sony Semiconductor

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CXA1911Q

Dolby B Type Noise Reduction System with Playback Equalizer

Sony Semiconductor 

CXA1911Q

Dolby B/C Type Noise Reduction System with Playback Equalizer

For the availability of this product, please contact the sales office.

Description

The CXA1911Q is an IC designed for use in car

40 pin QFP (Plastic)

stereo cassette decks. Functions include Dolby B/C

type noise reduction, playback equalizer amplifier

and music sensor into a single chip.

Features

• Few external parts

• Forward/Reverse head switching

• Small package (40-pin QFP)

• Dolby B/C type noise reduction and playback

equalizer into a single chip

• Same pin configuration as Dolby B type noise

reduction system (CXA1910Q)

• Music sense level can be set by external

resistors/capacitors (2 modes).

• High-band cut filter frequency can be adjusted by

the external capacitance.

Applications

• Car stereo cassette decks

• Cassette decks (playback only)

Absolute Maximum Ratings (Ta=25°C)

• Supply voltage

VCC

12

V

• Operating temperature Topr –40 to +85 °C

• Storage temperature Tstg –65 to +150 °C

• Allowable power dissipation

PD

430

mW

Recommended Operating Conditions

• Supply voltage

VCC 7.8 to 11

V

Structure

Bipolar silicon monolithic IC

∗ 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.

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E93Y13-TE

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