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| 型號(hào)： | LM1894MWC |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, UUC |
| 封裝： | WAFER |
| 文件頁(yè)數(shù)： | 4/12頁(yè) |
| 文件大?。?/td> | 345K |
| 代理商： | LM1894MWC |
National P/N LM1894 - Dynamic Noise Reduction System DNR
LM1894 MWC
Full
production
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wafer
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General Description
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.
Features
q
Non-complementary noise reduction, "single ended"
q
Low cost external components, no critical matching
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Compatible with all prerecorded tapes and FM
q
10 dB effective tape noise reduction CCIR/ARM weighted
q
Wide supply range, 4.5V to 18V
q
1 Vrms input overload
Applications
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Automotive radio/tape players
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Compact portable tape players
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Quality HI-FI tape systems
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VCR playback noise reduction
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Video disc playback noise reduction
Application Notes
Title
Size in Kbytes Date
View Online Download Receive via Email
AN-390: AN390 DNR -
Applications Of The LM1894
185 Kbytes
4-Nov-95 View Online
AN-386: A Non-Complementary
Audio Noise Reduction System
183 Kbytes
9-Apr-96 View Online
AN-384: Audio Noise Reduction
and Masking
125 Kbytes
4-Nov-95 View Online
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[Information as of 5-Aug-2002]
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| LM1894MX | 功能描述:特殊用途放大器 RoHS:否 制造商:Texas Instruments 通道數(shù)量:Single 共模抑制比（最小值）: 輸入補(bǔ)償電壓: 工作電源電壓:3 V to 5.5 V 電源電流:5 mA 最大功率耗散: 最大工作溫度:+ 70 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-20 封裝:Reel |
| LM1894MX/NOPB | 功能描述:特殊用途放大器 RoHS:否 制造商:Texas Instruments 通道數(shù)量:Single 共模抑制比（最小值）: 輸入補(bǔ)償電壓: 工作電源電壓:3 V to 5.5 V 電源電流:5 mA 最大功率耗散: 最大工作溫度:+ 70 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-20 封裝:Reel |
| LM1894N | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:OC White Company 功能描述:Dynamic Noise Reduction System 14-Pin PDIP Rail |
| LM1895 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:AUDIO POWE RAMPLIFIER |
| LM1895N | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:AUDIO POWE RAMPLIFIER |
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