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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 bandwidth scheme allow the DNR to achieve 10 dB of noise reduction. DNR can save circuit board space and cost because of the few additional components required.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | LM1894 Dynamic Noise Reduction System DNR datasheet (Rev. C) | 03 Apr 2013 | |
| Application note | AN-386 A Non-Complementary Audio Noise Reduction System (Rev. C) | 01 May 2013 | ||
| Application note | AN-390 DNR Applications of the LM1894 (Rev. C) | 01 May 2013 |
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| Package | Pins | Download |
|---|---|---|
| SOIC (D) | 14 | View options |
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