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LM381NNSN/a50avaiLM381/LM381A Low Noise Dual Preamplifier


LM381N ,LM381/LM381A Low Noise Dual PreamplifierfeaturesincludehighYbLarge output voltage swing (V 2V)p-pCCbgain (112 dB), large output voltage swi ..
LM3820N ,AM RADIO SYSTEMFeatures I Input protection diodes I Good control on sensitivity I Improved sm and tweet ..
LM3822MM-1.0 ,Precision Current Gauge IC with Internal Zero Ohm Sense Element and PWM OutputLM3822 Precision Current Gauge IC with Internal Zero Ohm Sense Element and PWM OutputNovember 2000L ..
LM3822MM-2.0 ,Precision Current Gauge IC with Internal Zero Ohm Sense Element and PWM OutputGeneral Description1.8 µA)The LM3822 Current Gauge provides easy to use precisionn 50 msec sampling ..
LM3824MM-1.0 ,Precision Current Gauge IC with Internal Zero Ohm Sense Element and PWM OutputPin Description (High-Side, LM3824)Pin Name Function1 SENSE+, V High side of internal current sense ..
LM3824MM-2.0 ,Precision Current Gauge IC with Internal Zero Ohm Sense Element and PWM OutputGeneral Description Key Specificationsn Ultra low insertion loss (0.003Ω)The LM3824 Current Gauge p ..
LMV715IDBVR ,Single Low-Power RRIO Operational Amplifiers With High Output Current Drive And Shutdown 6-SOT-23 -40 to 85
LMV7219M5 ,7 nsec, 2.7V to 5V Comparator with Rail-to- Rail OutputFeaturesThe LMV7219 is a low-power, high-speed comparator with (V =5V,T = 25˚C, Typical values unle ..
LMV7219M5X ,7 nsec, 2.7V to 5V Comparator with Rail-to- Rail OutputFeatures List 1• Changed Operating Temperature to Ambient Temperature ........ 4• Added Junction Te ..
LMV7219M5X ,7 nsec, 2.7V to 5V Comparator with Rail-to- Rail OutputApplicationsn Portable and battery-powered systemsn Scannersn Set top boxesn High speed differentia ..
LMV7219M5X ,7 nsec, 2.7V to 5V Comparator with Rail-to- Rail OutputFeaturesThe LMV7219 is a low-power, high-speed comparator with (V =5V,T = 25˚C, Typical values unle ..
LMV7219M5X/NOPB ,7 nsec, 2.7V to 5V Comparator with Rail-to- Rail Output 5-SOT-23 -40 to 85Maximum Ratings(1)(2)over operating free-air temperature range (unless otherwise noted)MIN MAX UNIT ..


LM381N
LM381/LM381A Low Noise Dual Preamplifier
TL/H/7841
LM381/LM381A
Low
Noise
Dual
Preamplifier
July 1987
LM381/LM381A Low Noise Dual Preamplifier
General Description
The LM381/LM381Aisa dual preamplifierforthe amplifica-
tionoflow level signalsin applications requiring optimum
noise performance. Eachofthetwo amplifiersis completely
independent, with individual internal power supply decou-
pler-regulator, providing120dB supply rejectionand60dB
channel separation. Other outstanding features include high
gain (112 dB), large output voltage swing (VCCb2V)p-p,
and wide power bandwidth(75 kHz,20 Vp-p).The LM381/
LM381A operates froma single supply acrossthe wide
rangeof9Vto 40V.
Either differential inputor single ended input configurations
maybe selected. The amplifieris internally compensated
withthe provisionfor additional external compensationfor
narrow band applications.For additional information see
AN-64, AN-104.
Features Low noiseÐ0.5mV total input noise High gainÐ112dB open loop Single supply operation Wide supply range 9V–40V Power supply rejectionÐ120dB Large output voltage swing (VCCb 2V)p-p Wide bandwidth15 MHz unity gain Power bandwidth75 kHz,20 Vp-p Internally compensated Short circuit protected
Schematic Diagram
TL/H/7841–1
C1995National SemiconductorCorporation RRD-B30M115/PrintedinU.S.A.
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