LM1894 Datasheet (Texas Instruments) - Dynamic Noise Reduction System DNR

LM1894, Dynamic Noise Reduction System DNR

The LM1894 is a stereo noise reduction circuit for use with audio playback systems.

The DNR system is non-complementary, meaning it does not require encoded source material.

The system is compatible with virtually all prerecorded tapes and FM broadcasts.

Psychoacoustic masking, and an adaptive bandw

LM1894 Features

* 1

* 2 Non-Complementary Noise Reduction, “Single Ended”

* Low Cost External Components, No Critical Matching

* Compatible with All Prerecorded Tapes and FM

* 10 dB Effective Tape Noise Reduction CCIR/ARM Weighted

* Wide Supply Range, 4.5V to 18V

* 1 Vrm