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LF444MWA PDF预览

LF444MWA

更新时间: 2024-11-04 21:15:19
品牌 Logo 应用领域
罗彻斯特 - ROCHESTER 放大器
页数 文件大小 规格书
12页 408K
描述
Operational Amplifier, 4 Func, 10000uV Offset-Max, BIPolar, WAFER

LF444MWA 技术参数

生命周期:Contact Manufacturer包装说明:DIE,
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.33.00.01风险等级:5.81
放大器类型:OPERATIONAL AMPLIFIER最大平均偏置电流 (IIB):0.0001 µA
标称共模抑制比:95 dB最大输入失调电压:10000 µV
JESD-30 代码:X-XUUC-N负供电电压上限:-18 V
标称负供电电压 (Vsup):-15 V功能数量:4
最高工作温度:125 °C最低工作温度:-55 °C
封装主体材料:UNSPECIFIED封装代码:DIE
封装形状:UNSPECIFIED封装形式:UNCASED CHIP
标称压摆率:1 V/us子类别:Operational Amplifier
供电电压上限:18 V标称供电电压 (Vsup):15 V
表面贴装:YES技术:BIPOLAR
温度等级:MILITARY端子形式:NO LEAD
端子位置:UPPER标称均一增益带宽:1000 kHz
Base Number Matches:1

LF444MWA 数据手册

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August 2000  
LF444  
Quad Low Power JFET Input Operational Amplifier  
General Description  
Features  
1
4
n
⁄ supply current of a LM148: 200 µA/Amplifier (max)  
The LF444 quad low power operational amplifier provides  
many of the same AC characteristics as the industry stan-  
dard LM148 while greatly improving the DC characteristics  
of the LM148. The amplifier has the same bandwidth, slew  
rate, and gain (10 kload) as the LM148 and only draws  
one fourth the supply current of the LM148. In addition the  
well matched high voltage JFET input devices of the LF444  
reduce the input bias and offset currents by a factor of  
10,000 over the LM148. The LF444 also has a very low  
equivalent input noise voltage for a low power amplifier.  
n Low input bias current: 50 pA (max)  
n High gain bandwidth: 1 MHz  
n High slew rate: 1 V/µs  
n Low noise voltage for low power  
n Low input noise current  
n High input impedance: 1012  
n High gain: 50k (min)  
The LF444 is pin compatible with the LM148 allowing an  
immediate 4 times reduction in power drain in many appli-  
cations. The LF444 should be used wherever low power  
dissipation and good electrical characteristics are the major  
considerations.  
Z indicates package type “D”, “M” or “N”  
Simplified Schematic  
1/4 Quad  
Connection Diagram  
Dual-In-Line Package  
00915601  
00915602  
Top View  
Order Number LF444CM, LF444CMX,  
LF444ACN, LF 444CN or LF444MD/883  
Ordering Information  
LF444XYZ  
See NS Package Number D14E, M14A or N14A  
X indicates electrical grade  
Y indicates temperature range  
“M” for military, “C” for commercial  
BI-FET and BI-FET II are trademarks of National Semiconductor Corporation.  
© 2004 National Semiconductor Corporation  
DS009156  
www.national.com  

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