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CXA1980Q Datasheet, PDF (1/17 Pages) Sony Corporation – Dolby B Type Noise Reduction System with Playback Equalizer
CXA1980Q
Dolby B Type Noise Reduction System with Playback Equalizer
Description
The CXA1980Q is an IC designed for use in car
stereos. Functions include Dolby B type noise
reduction (NR), playback equalizer and interval
detection between tracks (Music Sensor) into a
single chip.
32 pin QFP (Plastic)
Features
• Few external parts
• Forward/Reverse head switching
• Small package (32-pin QFP)
• Dolby B type noise reduction and playback
equalizer into a single chip
• Interval detection level between tracks can be set
by external resistors/capacitors (2 modes).
Applications
• Car stereos
• Stereo cassette deck players (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 Condition
Supply voltage
VCC
6.5 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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