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LM1112B Datasheet Dolby B-Type Noise Reduction Processor

Manufacturer: National Semiconductor (now Texas Instruments)

Download the LM1112B datasheet PDF. This datasheet also includes the LM1112 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (LM1112_NationalSemiconductor.pdf) that lists specifications for multiple related part numbers.

General 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

Overview

LM1112A LM1112B LM1112C Dolby B-Type Noise Reduction Processor LM1112A LM1112B LM1112C Dolby B-Type Noise Reduction Processor April 1987.

Key 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.

More Datasheets from National Semiconductor (now Texas Instruments)

Part Number Description
LM1112 Dolby B-Type Noise Reduction Processor
LM1112A Dolby B-Type Noise Reduction Processor
LM1112C Dolby B-Type Noise Reduction Processor
LM111 Voltage Comparator
LM1117 800mA Low-Dropout Linear Regulator
LM1117I 800mA Low-Dropout Linear Regulator
LM110 Voltage Follower
LM112 Operational Amplifiers
LM113 Reference Diode
LM1131A Dual Dolby B Type Noise Reduction Processor