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LM4140CCMX-1.0 PDF预览

LM4140CCMX-1.0

更新时间: 2024-09-15 22:40:15
品牌 Logo 应用领域
美国国家半导体 - NSC /
页数 文件大小 规格书
15页 442K
描述
High Precision Low Noise Low Dropout Voltage

LM4140CCMX-1.0 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:SOIC-8Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.13模拟集成电路 - 其他类型:THREE TERMINAL VOLTAGE REFERENCE
JESD-30 代码:R-PDSO-G8JESD-609代码:e0
长度:4.9 mm湿度敏感等级:1
功能数量:1输出次数:1
端子数量:8最高工作温度:70 °C
最低工作温度:最大输出电压:1.025 V
最小输出电压:1.023 V标称输出电压:1.024 V
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
认证状态:Not Qualified座面最大高度:1.75 mm
子类别:Voltage References最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):1.8 V标称供电电压 (Vsup):3 V
表面贴装:YES最大电压温度系数:10 ppm/ °C
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
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
微调/可调输出:NO最大电压容差:0.1%
宽度:3.9 mmBase Number Matches:1

LM4140CCMX-1.0 数据手册

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July 2000  
LM4140  
High Precision Low Noise Low Dropout Voltage  
Reference  
General Description  
The LM4140 series of precision references are designed to  
combine high accuracy, low drift and noise with low power  
dissipation in a small package.  
Features  
n High initial accuracy: 0.1%  
n Ultra low noise  
n Low Temperature Coefficient: 3 ppm/˚C (A grade)  
n Low voltage operation: 1.8V  
n SO-8 package  
The LM4140 is the industry’s first reference with output volt-  
age options lower than the bandgap voltage.  
@
The key to the advance performance of the LM4140 is the  
use of EEPROM registers and CMOS DACs for temperature  
coefficient curvature correction and trimming of the output  
voltage accuracy of the device during the final production  
testing.  
n Low dropout voltage: 20 mV (typ) 1mA  
n Supply Current: 230 µA (typ), 1 µA disable mode  
n Enable pin  
n Output voltage options: 1.024V, 1.250V, 2.048V, 2.500V,  
and 4.096V  
The major advantage of this method is the much higher reso-  
lution available with DACs than is available economically  
with most methods utilized by other bandgap references.  
n Custom voltages from 0.5V to 4.5V  
n Temperature range (0˚C to 70˚C)  
The low input and dropout voltage, low supply current and  
output drive capability of the LM4140 makes this product an  
ideal choice for battery powered and portable applications.  
Applications Summary  
n Portable, battery powered equipment  
n Instrumentation and test equipment  
n Automotive  
n Industrial process control  
n Data acquisition systems  
n Medical equipment  
The LM4140 is available in three grades (A, B, C) with 0.1%  
initial accuracy and 3, 6 and 10 ppm/˚C temperature coeffi-  
cients. For even lower Tempco, contact National Semicon-  
ductor.  
The device performance is specified over the temperature  
range (0˚C to +70˚C) and is available in compact 8-pin SO  
package.  
n Precision scales  
n Servo systems  
n Battery charging  
For other output voltage options from 0.5V to 4.5V, con-  
tact National Semiconductor.  
Typical Application  
Typical Temperature Coefficient  
(Sample of 5 Parts)  
DS101079-1  
C
, Output bypass capacitor. See text for selection detail.  
OUT  
DS101079-23  
Refer to the Ordering Information Table in this Data Sheet for Specific Part  
Number  
© 2000 National Semiconductor Corporation  
DS101079  
www.national.com  

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