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LM334SMX/NOPB PDF预览

LM334SMX/NOPB

更新时间： 2024-11-07 12:48:35
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德州仪器 - TI 模拟IC信号电路光电二极管
页数 文件大小 规格书
25页 1237K
描述
LM134/LM234/LM334 3-Terminal Adjustable Current Sources

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LM334SMX/NOPB 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：SOP, SOP8,.25针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：0.54
Samacsys Confidence：3Samacsys Status：Released
Samacsys PartID：556695Samacsys Pin Count：8
Samacsys Part Category：Integrated CircuitSamacsys Package Category：Small Outline Packages
Samacsys Footprint Name：DSamacsys Released Date：2019-11-07 02:58:28
Is Samacsys：N模拟集成电路 - 其他类型：ANALOG CIRCUIT
JESD-30 代码：R-PDSO-G8JESD-609代码：e3
长度：4.9 mm湿度敏感等级：1
信道数量：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）：260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：Matte Tin (Sn)
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

LM334SMX/NOPB 数据手册

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LM134, LM234, LM334  
www.ti.com  
SNVS746C –MAY 2004–REVISED MARCH 2005  
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  
SOIC-8 Surface Mount Package  
SOIC-8 Alternative Pinout Surface Mount Package  
Figure 1. See Package Number D  
Figure 2. See Package Number D  
V− Pin is electrically connected to case.  
TO Metal Can Package  
(Bottom View)  
TO-92 Plastic Package  
(Bottom View)  
Figure 3. See Package Number NDV  
Figure 4. 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 © 2004–2005, Texas Instruments Incorporated  
1234567...25

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LM334SMX/NOPB 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
LM334M 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

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LM334ZT STMICROELECTRONICS

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