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Sony Semiconductor Electronic Components Datasheet

CXA1797Q Datasheet

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

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CXA1797Q
Dolby B-C Type Noise Reduction System with Recording Equalizer Amplifier
Description
The CXA1797Q is an audio signal processing LSI
designed for use in cassette decks.
Functions include Dolby B-C noise reduction,
recording equalizer amplifier, meter circuit
(logarithmic), bias control circuit, and playback
switching circuit. Serial control of these functions is
possible.
64 pin QFP (Plastic)
Features
Few external parts
Serial control of each functions possible
Dolby B-C noise reduction
Dolby S noise reduction select switch
Recording equalizer amplifier
Recording volume control
Playback input select switch
Meter circuit (logarithmic wave detection)
Bias control circuit (left and right independent)
Applications
Cassette decks
Absolute Maximum Ratings (Ta=25°C)
Supply voltage
VCC +12
V
(between VCC and VEE)
Operating temperature Topr –20 to +75 °C
Storage temperature Tstg –65 to +150 °C
Allowable power dissipation
PD 1.02 W
Recommended Operating Conditions
Supply voltage
VCC ±5.25 to ±6.0 V
Structure
Bipolar silicon monolithic IC
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 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—
E94X42-TE


Sony Semiconductor Electronic Components Datasheet

CXA1797Q Datasheet

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

No Preview Available !

Block Diagram
CXA1797Q
—2—


Part Number CXA1797Q
Description Dolby B-C Type Noise Reduction System with Recording Equalizer Amplifier
Maker Sony Corporation
Total Page 30 Pages
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