—1—

E93Z04-TE

Absolute Maximum Ratings (Ta=25°C)

• Supply voltage

12

V

• Operating temperature Topr

–40 to +85

°C

• Storage temperature

Tstg

–65 to +150

°C

• Allowable power dissipation

430

mW

Recommended Operating Condition

Supply voltage

6.5 to 11

V

Description

The CXA1910Q is an IC designed for use in car

stereos. Functions include Dolby B 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 type noise reduction and playback

equalizer into a single chip

• Same pin configuration as Dolby B/C type noise

reduction system (CXA1911)

• 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 stereos

• Stereo cassette deck players (playback only)

Structure

Bipolar silicon monolithic IC

Dolby B Type Noise Reduction System with Playback Equalizer

40 pin QFP (Plastic)

CXA1910Q

∗ 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.

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