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LM334MX

更新时间： 2024-11-09 12:18:43
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
26页 1238K
描述
LM134/LM234/LM334 3-Terminal Adjustable Current Sources

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LM334MX 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：SOP, SOP8,.25针数：8
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5
模拟集成电路 - 其他类型：ANALOG CIRCUITJESD-30 代码：R-PDSO-G8
JESD-609代码：e0长度：4.9 mm
湿度敏感等级：1功能数量：1
端子数量：8最高工作温度：70 °C
最低工作温度：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：Power Management Circuits
最大供电电压 (Vsup)：40 V最小供电电压 (Vsup)：1 V
表面贴装：YES技术：BIPOLAR
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：NOT SPECIFIED
宽度：3.9 mmBase Number Matches：1

LM334MX 数据手册

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LM134, LM234, LM334  
www.ti.com  
SNVS746E –MARCH 2000–REVISED MAY 2013  
LM134/LM234/LM334 3-Terminal Adjustable Current Sources  
Check for Samples: LM134, LM234, LM334  
1
FEATURES  
The sense voltage used to establish operating current  
2
•
•
•
•
•
Operates From 1V to 40V  
in the LM134 is 64mV at 25°C and is directly  
proportional to absolute temperature (°K). The  
simplest one external resistor connection, then,  
generates a current with ≈+0.33%/°C temperature  
dependence. Zero drift operation can be obtained by  
adding one extra resistor and a diode.  
0.02%/V Current Regulation  
Programmable From 1μA to 10mA  
True 2-Terminal Operation  
Available as Fully Specified Temperature  
Sensor  
Applications for the current sources include bias  
networks, surge protection, low power reference,  
ramp generation, LED driver, and temperature  
sensing. The LM234-3 and LM234-6 are specified as  
true temperature sensors with ensured initial  
accuracy of ±3°C and ±6°C, respectively. These  
devices are ideal in remote sense applications  
because series resistance in long wire runs does not  
affect accuracy. In addition, only 2 wires are required.  
•
±3% Initial Accuracy  
DESCRIPTION  
The LM134/LM234/LM334 are 3-terminal adjustable  
current sources featuring 10,000:1 range in operating  
current, excellent current regulation and a wide  
dynamic voltage range of 1V to 40V. Current is  
established with one external resistor and no other  
parts are required. Initial current accuracy is ±3%.  
The LM134/LM234/LM334 are true floating current  
sources with no separate power supply connections.  
In addition, reverse applied voltages of up to 20V will  
draw only a few dozen microamperes of current,  
allowing the devices to act as both a rectifier and  
current source in AC applications.  
The LM134 is specified over a temperature range of  
−55°C to +125°C, the LM234 from −25°C to +100°C  
and the LM334 from 0°C to +70°C. These devices  
are available in TO hermetic, TO-92 and SOIC-8  
plastic packages.  
Connection Diagrams  
Figure 1. SOIC-8 Surface Mount Package  
(LM334M; LM334M/NOPB; LM334MX;  
LM334MX/NOPB)  
Figure 2. SOIC-8 Alternative Pinout Surface Mount  
Package  
(LM334SM; LM334SM/NOPB; LM334SMX;  
LM334SMX/NOPB)  
See Package Number D  
See Package Number D  
Figure 3. TO Metal Can Package (Bottom View)  
See Package Number NDV  
Figure 4. TO-92 Plastic Package (Bottom View)  
See Package Number LP  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2000–2013, Texas Instruments Incorporated  
1234567...26

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LM334MX 替代型号

型号 品牌 替代类型 描述 数据表
LM334SM/NOPB TI

完全替代

 LM134/LM234/LM334 3-Terminal Adjustable Current Sources
LM334MX/NOPB TI

完全替代

 LM134/LM234/LM334 3-Terminal Adjustable Current Sources
LM334M/NOPB TI

完全替代

 LM134/LM234/LM334 3-Terminal Adjustable Current Sources

与LM334MX相关器件

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LM334MX/NOPB TI

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 		LM134/LM234/LM334 3-Terminal Adjustable Current Sources
LM334S ADI

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 		恒定电流源和温度传感器
LM334S8 Linear

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 		Constant Current Source and Temperature Sensor
LM334SM NSC

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 		3-Terminal Adjustable Current Sources
LM334SM TI

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 		LM134/LM234/LM334 3-Terminal Adjustable Current Sources
LM334SM/NOPB TI

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 		LM134/LM234/LM334 3-Terminal Adjustable Current Sources
LM334SMX TI

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 		LM134/LM234/LM334 3-Terminal Adjustable Current Sources
LM334SMX NSC

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 		3-Terminal Adjustable Current Sources
LM334SMX/NOPB TI

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 		LM134/LM234/LM334 3-Terminal Adjustable Current Sources
LM334Z NSC

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 		3-Terminal Adjustable Current Sources

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