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LMP8271MAX PDF预览

LMP8271MAX

更新时间: 2024-11-23 13:09:23
品牌 Logo 应用领域
美国国家半导体 - NSC 放大器
页数 文件大小 规格书
5页 468K
描述
IC OP-AMP, 1000 uV OFFSET-MAX, 0.08 MHz BAND WIDTH, PDSO8, SOIC-8, Operational Amplifier

LMP8271MAX 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SOIC-8
针数:8Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:5.63放大器类型:OPERATIONAL AMPLIFIER
最大平均偏置电流 (IIB):20 µA标称共模抑制比:78 dB
最大输入失调电压:1000 µVJESD-30 代码:R-PDSO-G8
JESD-609代码:e0长度:4.902 mm
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:125 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):235电源:5 V
认证状态:Not Qualified座面最大高度:1.753 mm
标称压摆率:0.7 V/us子类别:Operational Amplifiers
最大压摆率:1.4 mA供电电压上限:5.75 V
标称供电电压 (Vsup):5 V表面贴装:YES
温度等级:AUTOMOTIVE端子面层:Tin/Lead (Sn85Pb15)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
标称均一增益带宽:80 kHz宽度:3.899 mm
Base Number Matches:1

LMP8271MAX 数据手册

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PRELIMINARY  
January 2005  
LMP8271, LMP8276  
High Common Mode, Gain of 20, Bidirectional Precision  
Voltage Difference Amplifiers  
General Description  
Features  
n Bidirectional Current Sense Capability  
n Typical Values, TA = 25˚C  
n Input Offset Voltage  
n TCVos (LMP8271)  
n TCVos (LMP8276)  
n CMRR  
The LMP 8271, LMP8276 are fixed gain differential ampli-  
fiers with a -2V to 27V input common mode voltage range  
and a supply voltage range of 4.5V to 5.5V. The LMP8271,  
LMP8276 are precision amplifiers which will detect, amplify  
and filter small differential signals in the presence of high  
common mode voltages. The gain is fixed at 20 and is  
adequate to drive an ADC to full scale in most cases. This  
fixed gain is achieved in two separate stages, a pre-amplifier  
with gain of +10 and a second stage amplifier with a gain of  
+2. The internal signal path is brought out on two pins that  
provide a connection for a filter network.  
1mV max  
15µV/˚C max  
30µV/˚C max  
80dB Min  
-5V to 36V  
Rail to Rail  
80KHz  
n Extended CMVR  
n Output Voltage Swing  
n Bandwidth  
n Operating Temperature Range (Ambient) -40˚C to 125˚C  
n Operating Temperature Range (bare die) -40˚C to 150˚C  
n Supply Voltage  
n Supply Current  
The LMP8271, LMP8276 will function with reduced specifi-  
cations over the extended common mode input voltage  
range of -5 to 36 Volts. This feature makes the device  
suitable for applications with load dump in automotive sys-  
tems.  
4.5V to 5.5V  
1mA  
Applications  
The midrail offset adjustment pin enables the user to utilize  
this device for bidirectional current sensing. This is achieved  
by adjusting an externally set voltage reference. Accurate  
bidirectional load current measurements are achieved when  
monitoring the output with respect to this reference voltage  
n Fuel Injection Control  
n Low Side Driver Configuration Current Sensing  
n Power Management Systems  
Typical Application  
Typical Application: Low side Current Sensing  
20130801  
LMP is a trademark of National Semiconductor Corporation.  
© 2005 National Semiconductor Corporation  
DS201308  
www.national.com  

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