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參數資料
| 型號： | LM1837N |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2 CHANNEL, AUDIO PREAMPLIFIER, PDIP18 |
| 封裝： | SOP-18 |
| 文件頁數： | 1/14頁 |
| 文件大?。?/td> | 450K |
| 代理商： | LM1837N |
TLH7902
LM1837
Low
Noise
Preamplifier
for
Autoreversing
Tape
Playback
Systems
April 1987
LM1837 Low Noise Preamplifier for
Autoreversing Tape Playback Systems
General Description
The LM1837 is a dual autoreversing high gain tape pream-
plifier for applications requiring optimum noise performance
It has forward (left right) and reverse (left right) inputs
which are selectable through a high impedance logic pin It
is an ideal choice for a tape playback amplifier when a com-
bination of low noise autoreversing good power supply re-
jection and no power-up transients are desired The appli-
cation also provides transient-free muting with a single pole
grounding switch
Features
Y
Programmable turn-on delay
Y
Transient-free power-upno pops
Y
Transient-free muting
Y
Low noise06 mV CCIRARM in a DIN circuit refer-
enced to 1 kHz
Y
Low voltage battery operation b4V
Y
Wide gain bandwidth due to broadband two-amplifier
approach76 dB
20 kHz
Y
High power supply rejection95 dB
Y
Low distortion003%
Y
Fast slew rate6V ms
Y
Short circuit protection
Y
Internal diodes for diode switching applications
Y
Low cost external parts
Y
Excellent low frequency response
Y
Prevents ‘‘click’’ from being recorded onto the tape dur-
ing power supply cycling in tape playback applications
Y
High impedance logic pin for forwardreverse switching
Numbers in parentheses are for
Small Outline package
Not bonded out in Small Outline
package
TLH7902 – 1
FIGURE 1 Autoreversing Tape Playback Application
C1995 National Semiconductor Corporation
RRD-B30M115Printed in U S A
Obsolete
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LM1837N/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Preamp/Equalizer for Audio Tape Recorder |
| LM1837N/B+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Preamp/Equalizer for Audio Tape Recorder |
| LM185 | 制造商:Texas Instruments 功能描述: |
| LM185_08 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Adjustable Micropower Voltage References |
| LM1851 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
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