LM1112A, LM1112 - Dolby B-Type Noise Reduction Processor

National Semiconductor

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LM1112A Datasheet Preview — This datasheet PDF includes multiple part numbers: LM1112A, LM1112. Please refer to the document for exact specifications by model.

Datasheet Details

Part number	LM1112A, LM1112
Manufacturer	National Semiconductor
File Size	190.50 KB
Description	Dolby B-Type Noise Reduction Processor
Datasheet	LM1112_NationalSemiconductor.pdf
Note	This datasheet PDF includes multiple part numbers: LM1112A, LM1112. Please refer to the document for exact specifications by model.

LM1112A Product details

Description

The LM1112 is a monolithic integrated circuit specifically designed to realize the Dolby B-type noise reduction system It is a replacement for the LM1111 and the Signetics NE645 648 but with improved performance figures

Features

Y Very high signal noise ratio 74 dB encode (CCIR ARM) Y Wide supply voltage range 6V to 20V Y Very close matching to standard Dolby characteristics Y Audible switch-on transients greatly reduced Y Improved temperature performance Y Reduced number of precision external components Y Improved transient stability Y Input protection diodes Available only to licensees of Dolby Laboratories Licensing Corporation San Francisco from whom licensing and.

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Published: Jan 12, 2015 |