Datasheet Summary
LM1112A LM1112B LM1112C Dolby B-Type Noise Reduction Processor
LM1112A LM1112B LM1112C Dolby B-Type Noise Reduction Processor
April 1987
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
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 ponents Y Improved transient...