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參數資料
| 型號： | LM3812FM-7.0 |
| 英文描述： | Current-Sense Gauge |
| 中文描述： | 檢流計 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 130K |
| 代理商： | LM3812FM-7.0 |
TL/H/7841
L
July 1987
LM381/LM381A Low Noise Dual Preamplifier
General Description
The LM381/LM381A is a dual preamplifier for the amplifica-
tion of low level signals in applications requiring optimum
noise performance. Each of the two amplifiers is completely
independent, with individual internal power supply decou-
pler-regulator, providing 120 dB supply rejection and 60 dB
channel separation. Other outstanding features include high
gain (112 dB), large output voltage swing (V
CC
b
2V) p-p,
and wide power bandwidth (75 kHz, 20 Vp-p). The LM381/
LM381A operates from a single supply across the wide
range of 9V to 40V.
Either differential input or single ended input configurations
may be selected. The amplifier is internally compensated
with the provision for additional external compensation for
narrow band applications. For additional information see
AN-64, AN-104.
Features
Y
Low noise D 0.5
m
V total input noise
Y
High gain D 112 dB open loop
Y
Single supply operation
Y
Wide supply range 9V–40V
Y
Power supply rejection D 120 dB
Y
Large output voltage swing (V
CC
b
2V)p-p
Y
Wide bandwidth 15 MHz unity gain
Y
Power bandwidth 75 kHz, 20 Vp-p
Y
Internally compensated
Y
Short circuit protected
Schematic Diagram
TL/H/7841–1
C
1995 National Semiconductor Corporation
RRD-B30M115/Printed in U. S. A.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LM3812M-1.0 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Precision Current Gauge IC with Ultra Low Loss Sense Element and PWM Output |
| LM3812M-1.0/NOPB | 功能描述:IC CURRENT GAUGE PREC 8-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩流/電流管理 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 功能:電流開關 檢測方法:- 精確度:±10% 輸入電壓:1.7 V ~ 5.5 V 電流 - 輸出:600mA 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-UFQFN 供應商設備封裝:10-UTQFN（1.4x1.8） 包裝:管件 |
| LM3812M-7.0 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Precision Current Gauge IC with Ultra Low Loss Sense Element and PWM Output |
| LM3812M-7.0/NOPB | 功能描述:IC CURRENT GAUGE PREC 8-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩流/電流管理 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 功能:電流開關 檢測方法:- 精確度:±10% 輸入電壓:1.7 V ~ 5.5 V 電流 - 輸出:600mA 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-UFQFN 供應商設備封裝:10-UTQFN（1.4x1.8） 包裝:管件 |
| LM3812M-7.0/NOPB | 制造商:Texas Instruments 功能描述:, Input Voltage Primary Max:5.25V, Contr |
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