Datasheet > CXA1897Q

CXA1897Q

更新时间： 2024-02-16 23:05:40

品牌	Logo	应用领域
索尼 - SONY		/
页数	文件大小	规格书
22页	397K
描述
Dolby B Type Noise Reduction System with Recording/Playback Equalizer

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CXA1897Q 数据手册

CXA1897Q

Dolby B Type Noise Reduction System with Recording/Playback Equalizer

Description

48 pin QFP (Plastic)

The CXA1897Q is an analog signal processing IC

for tape recorders. It achieves whole processing

operations for the recording and playback systems

which include the Dolby B noise reduction function

on a single chip. This IC supports 2 channels at

each function.

Features

• Dolby B noise reduction supports 1.7 times normal

speed.

Absolute Maximum Ratings (Ta=25°C)

• Supply voltage

• Operating temperature Topr –20 to +75

• Storage temperature Tstg –65 to +150

VCC

°C

• Recording/playback equalizer amplifier supports

1.7 times normal speed.

• Built-in comparator for AMS (automatic music

sensor)

• Allowable power dissipation

735

• Built-in AGC (automatic gain control) with amplifier

for MPX filter.

Operating Conditions

• Playback equalizer outputs independently for

DECK-A and DECK-B.

• Supply voltage

VCC

6.5 to 10.0

• Externally adjustable recording equalizer Gp and

fp.

• Built-in Recording mute function.

• Double cassette dubbing system can be easily

configured just with this IC.

Applications

All analog signal processing in cassette deck parts

of tape recorders and compact music centers

(Sankyo Seiki mfg. Co., Ltd. YK47R-KF202 or

equivalent which has the same head type.)

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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