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LM4040-EP

更新时间： 2024-11-25 02:58:47
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德州仪器 - TI /
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12页 569K
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PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE

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LM4040-EP 数据手册

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LM4040-EP  
www.ti.com  
SLOS746A –SEPTEMBER 2011–REVISED SEPTEMBER 2011  
PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE  
Check for Samples: LM4040-EP  
1
FEATURES  
SUPPORTS DEFENSE, AEROSPACE,  
AND MEDICAL APPLICATIONS  
•
•
Fixed Output Voltage of 2.5 V  
•
•
•
•
Controlled Baseline  
One Assembly/Test Site  
One Fabrication Site  
Tight Output Tolerances and Low Temperature  
Coefficient  
–
Max 0.65%, 100 ppm/°C  
•
•
Low Output Noise: 35 μVRMS Typ  
Available in Military (–55°C/125°C)  
Temperature Range(1)  
Wide Operating Current Range: 45 μA Typ to  
15 mA  
•
•
•
Extended Product Life Cycle  
Extended Product-Change Notification  
Product Traceability  
•
Stable With All Capacitive Loads; No Output  
Capacitor Required  
DBZ (SOT-23) PACKAGE  
(TOP VIEW)  
APPLICATIONS  
•
•
•
•
•
•
•
•
Data-Acquisition Systems  
Power Supplies and Power-Supply Monitors  
Instrumentation and Test Equipment  
Process Controls  
1
CATHODE  
3*  
2
ANODE  
Precision Audio  
* Pin 3 is attached to substrate and must be  
connected to ANODE or left open.  
Automotive Electronics  
Energy Management  
Battery-Powered Equipment  
(1) Custom temperature ranges available  
DESCRIPTION/ORDERING INFORMATION  
The LM4040 series of shunt voltage references are versatile, easy-to-use references that cater to a vast array of  
applications. The 2-pin fixed-output device requires no external capacitors for operation and is stable with all  
capacitive loads. Additionally, the reference offers low dynamic impedance, low noise, and low temperature  
coefficient to ensure a stable output voltage over a wide range of operating currents and temperatures. The  
LM4040 uses fuse and Zener-zap reverse breakdown voltage trim during wafer sort to offer an output voltage  
tolerance of 0.65%.  
Packaged in a space-saving SOT-23-3 package and requiring a minimum current of 45 μA (typ), the LM4040  
also is ideal for portable applications. The LM4040C25 is characterized for operation over an ambient  
temperature range of –55°C to 125°C.  
ORDERING INFORMATION(1)  
DEVICE  
GRADE  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
TA  
VKA  
PACKAGE  
MARKING(2)  
0.65% initial  
accuracy  
and  
100 ppm/°C  
temperature  
coefficient  
–55°C to 125°C  
2.5 V  
SOT-23-3 (DBZ)  
Reel of 250  
LM4040C25MDBZTEP  
SAGU  
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI  
web site at www.ti.com.  
(2) The actual top-side marking has one additional character that designates the wafer fab/assembly site.  
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.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2011, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
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