LM4040 - Precision Micropower Shunt Voltage Reference
Datasheet Packaging Samples & Pricing Reliability Design Tools Knowledge Base

Features
•Small packages: SOT-23, TO-92 and SC70
•No output capacitor required
•Tolerates capacitive loads
•Fixed reverse breakdown voltages of 2.048V, 2.500V,3.000V, 4.096V, 5.000V, 8.192V, and 10.000V

Key Specification

Output voltage tolerance (A grade, 25°C)±0.1% (max)
Low output noise (10 Hz to 10 kHz)35 µVrms(typ)
Wide operating current range60 µA to 15 mA
Industrial temperature range-40°C to +85°C
Extended temperature range-40°C to +125°C
Low temperature coefficient100 ppm/°C (max)

General Description

Ideal for space critical applications, the LM4040 precision voltage reference is available in the sub-miniature SC70 and SOT-23 surface-mount package. More...


Applications

•Portable, Battery-Powered Equipment
•Data Acquisition Systems
•Instrumentation
•Process Control
•Energy Management
•Product Testing
•Automotive
•Precision Audio Components
  Typical Application
*click for larger image


ParametersValues
Initial Accuracy (+/-) Max 0.2, 2, 1, 0.1, 0.5 %
Reference Voltage 8.192 V, 2.5 V, 10 V, 5 V, 4.096 V
Tempco, max (ppm/C) 100, 150 ppm
Operating Current 0.91, 0.091, 0.06, 0.1, 0.068, 0.074 mA
Output Current 15 mA
Temperature Min -40 deg C
Temperature Max 125, 85 deg C


Typical Performance

click for larger image


  Also Recommended
LM4030▲Ultra-High Precision Shunt Reference
LM4050▲Lower Temperature Coefficient
LM4120▲Series Type Reference, Lower Temperature Coefficient
LM4125▲More Robust With Low Supply Current And Power Down Capability
LM4128▲Precision Micropower Series Reference
LM4132▲Lower Temperature Coefficient, Lower Current & Better Accuracy
Additional Resources
Design Tools


Connection Diagram

*click for larger image



Datasheet
RoHS Compliance Information Size in KbytesDate Click link below to Download
LM4040 Precision Micropower Shunt Voltage Reference 752
Kbytes		 7-Apr-05 Download
LM4040 Precision Micropower Shunt Voltage Reference (Japanese)
 1417 Kbytes   Download

If you have trouble printing or viewing PDF file(s), see Printing Problems.


Package Availability, Models, Samples & Pricing
Part NumberPackageFactory Lead TimeModelsSamples &
Electronic
Orders		Budgetary PricingStd
Pack
Size		Package
Marking
Format
TypePinsSpec.MSL
Rating		Peak
Reflow		RoHS
Report		CAD
Symbols		WeeksQtyQty$US each
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XTT
8 weeks10000
LM4040EIM3X-3.0SOT-233NOPB1260RoHS Download Full productionN/A
 
Buy Now 		1K+$0.24reel
of
3000		RKE
XTT
8 weeksN/A
LM4040AIZ-2.0TO-923NOPB
STD		1
1		NA
NA		RoHS Download Lifetime buyN/A
 
Buy Now 		1K+$0.83box
of
1800		NSXYTT
4040A
-2.0
12 weeks2000
LM4040AIZ-3.0TO-923NOPB1NARoHS Download Lifetime buyN/A
 
Buy Now 		1K+$0.83box
of
1800		NSXYTT
4040A
-3.0
12 weeksN/A
LM4040AIZ-8.2TO-923NOPB1NARoHS Download Lifetime buyN/A
 
Buy Now 		1K+$0.83box
of
1800		NSXYTT
4040A
IZ8.2
8 weeksN/A
LM4040BIZ-2.0TO-923NOPB1NARoHS Download Lifetime buyN/A
 
Buy Now 		1K+$0.48box
of
1800		NSXYTT
4040B
-2.0
16 weeksN/A
LM4040BIZ-3.0TO-923NOPB1NARoHS Download Lifetime buyN/A
 
Buy Now 		1K+$0.48box
of
1800		NSXYTT
4040B
-3.0
12 weeksN/A
LM4040BIZ-4.1TO-923NOPB
STD		1
1		NA
NA		RoHS Download Lifetime buyN/A
 
Buy Now 		1K+$0.48box
of
1800		NSXYTT
4040B
IZ4.1
8 weeks2000
LM4040BIZ-8.2TO-923NOPB1NARoHS Download Lifetime buyN/A
 
Buy Now 		1K+$0.48box
of
1800		NSXYTT
4040B
IZ8.2
12 weeksN/A
LM4040CIZ-2.0TO-923NOPB1NARoHS Download Lifetime buyN/A
 
Buy Now 		1K+$0.31box
of
1800		NSXYTT
4040C
-2.0
16 weeksN/A
LM4040CIZ-3.0TO-923NOPB1NARoHS Download Lifetime buyN/A
 
Buy Now 		1K+$0.31box
of
1800		NSXYTT
4040C
-3.0
16 weeksN/A
LM4040CIZ-4.1TO-923NOPB
STD		1
1		NA
NA		RoHS Download Lifetime buyN/A
 
Buy Now 		1K+$0.31box
of
1800		NSXYTT
4040C
IZ4.1
8 weeks5000
LM4040CIZ-8.2TO-923NOPB1NARoHS Download Lifetime buyN/A
 
Buy Now 		1K+$0.31box
of
1800		NSXYTT
4040C
IZ8.2
8 weeksN/A
LM4040DIZ-2.0TO-923NOPB1NARoHS Download Lifetime buyN/A
 
Buy Now 		1K+$0.28box
of
1800		NSXYTT
4040D
-2.0
8 weeks15000
LM4040DIZ-3.0TO-923NOPB1NARoHS Download Lifetime buyN/A
 
Buy Now 		1K+$0.28box
of
1800		NSXYTT
4040D
-3.0
16 weeksN/A
LM4040DIZ-8.2TO-923NOPB
STD		1
1		NA
NA		RoHS Download Lifetime buyN/A
 
Buy Now 		1K+$0.28box
of
1800		NSXYTT
4040D
IZ8.2
8 weeks10000
LM4040EIZ-2.0TO-923NOPB1NARoHS Download Lifetime buyN/A
 
Buy Now 		1K+$0.26box
of
1800		NSXYTT
4040E
-2.0
8 weeksN/A
LM4040EIZ-2.5TO-923NOPB1NARoHS Download Lifetime buyN/A
 
Buy Now 		1K+$0.26box
of
1800		NSXYTT
4040E
IZ2.5
8 weeks2000
LM4040EIZ-3.0TO-923NOPB1NARoHS Download Lifetime buyN/A
 
Buy Now 		1K+$0.26box
of
1800		NSXYTT
4040E
-3.0
16 weeksN/A
LM4040AIZ-10.0TO-923NOPB
STD		1
1		NA
NA		RoHS Download Full productionN/A
 
Buy Now 		1K+$0.83box
of
1800		NSXYTT
4040A
IZ10
12 weeks2000
LM4040AIZ-2.5TO-923NOPB
STD		1
1		NA
NA		RoHS Download Full productionN/A
 
Buy Now 		1K+$0.83box
of
1800		NSXYTT
4040A
IZ2.5
12 weeks2000
LM4040AIZ-4.1TO-923NOPB
STD		1
1		NA
NA		RoHS Download Full productionN/A
 
Buy Now 		1K+$0.83box
of
1800		NSXYTT
4040A
IZ4.1
8 weeks2000
LM4040AIZ-5.0TO-923NOPB1NARoHS Download Full productionN/A
Samples
Buy Now 		1K+$0.83box
of
1800		NSXYTT
4040A
IZ5.0
12 weeks2500
LM4040BIZ-10.0TO-923NOPB1NARoHS Download Full productionN/A
 
Buy Now 		1K+$0.48box
of
1800		NSXYTT
4040B
IZ10
8 weeks3000
LM4040BIZ-2.5TO-923NOPB1NARoHS Download Full productionN/A
 
Buy Now 		1K+$0.48box
of
1800		NSXYTT
4040B
IZ2.5
8 weeks2500
LM4040BIZ-5.0TO-923NOPB
STD		1
1		NA
NA		RoHS Download Full productionN/A
Samples
Buy Now 		1K+$0.48box
of
1800		NSXYTT
4040B
IZ5.0
8 weeks2500
LM4040CIZ-10.0TO-923NOPB
STD		1
1		NA
NA		RoHS Download Full productionN/A
 
Buy Now 		1K+$0.31box
of
1800		NSXYTT
4040C
IZ10
8 weeks2000
LM4040CIZ-2.5TO-923NOPB
STD		1
1		NA
NA		RoHS Download Full productionN/A
 
Buy Now 		1K+$0.31box
of
1800		NSXYTT
4040C
IZ2.5
8 weeks2000
LM4040CIZ-5.0TO-923NOPB
STD		1
1		NA
NA		RoHS Download Full productionN/A
Samples
Buy Now 		1K+$0.31box
of
1800		NSXYTT
4040C
IZ5.0
8 weeks2000
LM4040DIZ-10.0TO-923NOPB1NARoHS Download Full productionN/A
 
Buy Now 		1K+$0.27box
of
1800		NSXYTT
4040D
IZ10
8 weeks2500
LM4040DIZ-2.5TO-923NOPB
STD		1
1		NA
NA		RoHS Download Full productionN/A
 
Buy Now 		1K+$0.28box
of
1800		NSXYTT
4040D
IZ2.5
8 weeks2000
LM4040DIZ-4.1TO-923NOPB
STD		1
1		NA
NA		RoHS Download Full productionN/A
 
Buy Now 		1K+$0.28box
of
1800		NSXYTT
4040D
IZ4.1
8 weeks2000
LM4040DIZ-5.0TO-923NOPB
STD		1
1		NA
NA		RoHS Download Full productionN/A
Samples
Buy Now 		1K+$0.28box
of
1800		NSXYTT
4040D
IZ5.0
8 weeks2000
LM4040CI4.1 MDCUnpackaged DieLifetime buyN/A
  CALLtray
of
N/A		-
6 weeksN/A

General Description

Ideal for space critical applications, the LM4040 precision voltage reference is available in the sub-miniature SC70 and SOT-23 surface-mount package. The LM4040's advanced design eliminates the need for an external stabilizing capacitor while ensuring stability with any capacitive load, thus making the LM4040 easy to use. Further reducing design effort is the availability of several fixed reverse breakdown voltages: 2.048V, 2.500V, 3.000V, 4.096V, 5.000V, 8.192V, and 10.000V. The minimum operating current increases from 60 µA for the LM4040-2.5 to 100 µA for the LM4040-10.0. All versions have a maximum operating current of 15 mA.

The LM4040 utilizes fuse and zener-zap reverse breakdown voltage trim during wafer sort to ensure that the prime parts have an accuracy of better than ±0.1% (A grade) at 25°C. Bandgap reference temperature drift curvature correction and low dynamic impedance ensure stable reverse breakdown voltage accuracy over a wide range of operating temperatures and currents.

Also available is the LM4041 with two reverse breakdown voltage versions: adjustable and 1.2V. Please see the LM4041 data sheet.

Reliability Metrics

Part Number Process EFR Reject EFR Sample Size PPM LTA Rejects LTA Device Hours FITS MTTF (Hours)
LM4040AIM3-10.0LFAST10195100026050002739175862
LM4040AIM3-2.0LFAST10195100026050002739175862
LM4040AIM3-2.5LFAST10195100026050002739175862
LM4040AIM3-3.0LFAST10195100026050002739175862
LM4040AIM3-4.1LFAST10195100026050002739175862
LM4040AIM3-5.0LFAST10195100026050002739175862
LM4040AIM3-8.2LFAST10195100026050002739175862
LM4040AIM3X-10LFAST10195100026050002739175862
LM4040AIM3X-2.0LFAST10195100026050002739175862
LM4040AIM3X-2.5LFAST10195100026050002739175862
LM4040AIM3X-3.0LFAST10195100026050002739175862
LM4040AIM3X-4.1LFAST10195100026050002739175862
LM4040AIM3X-5.0LFAST10195100026050002739175862
LM4040AIM3X-8.2LFAST10195100026050002739175862
LM4040AIZ-10.0LFAST10195100026050002739175862
LM4040AIZ-2.0LFAST10195100026050002739175862
LM4040AIZ-2.5LFAST10195100026050002739175862
LM4040AIZ-3.0LFAST10195100026050002739175862
LM4040AIZ-4.1LFAST10195100026050002739175862
LM4040AIZ-5.0LFAST10195100026050002739175862
LM4040AIZ-8.2LFAST10195100026050002739175862
LM4040BIM3-10.0LFAST10195100026050002739175862
LM4040BIM3-2.0LFAST10195100026050002739175862
LM4040BIM3-2.5LFAST10195100026050002739175862
LM4040BIM3-3.0LFAST10195100026050002739175862
LM4040BIM3-4.1LFAST10195100026050002739175862
LM4040BIM3-5.0LFAST10195100026050002739175862
LM4040BIM3-8.2LFAST10195100026050002739175862
LM4040BIM3X-10LFAST10195100026050002739175862
LM4040BIM3X-2.0LFAST10195100026050002739175862
LM4040BIM3X-2.5LFAST10195100026050002739175862
LM4040BIM3X-3.0LFAST10195100026050002739175862
LM4040BIM3X-4.1LFAST10195100026050002739175862
LM4040BIM3X-5.0LFAST10195100026050002739175862
LM4040BIM3X-8.2LFAST10195100026050002739175862
LM4040BIM7-2.0LFAST10195100026050002739175862
LM4040BIM7-2.5LFAST10195100026050002739175862
LM4040BIM7-3.0LFAST10195100026050002739175862
LM4040BIM7-4.1LFAST10195100026050002739175862
LM4040BIM7-5.0LFAST10195100026050002739175862
LM4040BIM7X-2.5LFAST10195100026050002739175862
LM4040BIZ-10.0LFAST10195100026050002739175862
LM4040BIZ-2.0LFAST10195100026050002739175862
LM4040BIZ-2.5LFAST10195100026050002739175862
LM4040BIZ-3.0LFAST10195100026050002739175862
LM4040BIZ-4.1LFAST10195100026050002739175862
LM4040BIZ-5.0LFAST10195100026050002739175862
LM4040BIZ-8.2LFAST10195100026050002739175862
LM4040CEM3-2.0LFAST10195100026050002739175862
LM4040CEM3-2.5LFAST10195100026050002739175862
LM4040CEM3-3.0LFAST10195100026050002739175862
LM4040CEM3-5.0LFAST10195100026050002739175862
LM4040CEM3X-2.0LFAST10195100026050002739175862
LM4040CEM3X-2.5LFAST10195100026050002739175862
LM4040CEM3X-3.0LFAST10195100026050002739175862
LM4040CEM3X-5.0LFAST10195100026050002739175862
LM4040CI4.1 MDCLFAST10195100026050002739175862
LM4040CIM3-10.0LFAST10195100026050002739175862
LM4040CIM3-2.0LFAST10195100026050002739175862
LM4040CIM3-2.5LFAST10195100026050002739175862
LM4040CIM3-3.0LFAST10195100026050002739175862
LM4040CIM3-4.1LFAST10195100026050002739175862
LM4040CIM3-5.0LFAST10195100026050002739175862
LM4040CIM3-8.2LFAST10195100026050002739175862
LM4040CIM3X-10LFAST10195100026050002739175862
LM4040CIM3X-2.0LFAST10195100026050002739175862
LM4040CIM3X-2.5LFAST10195100026050002739175862
LM4040CIM3X-3.0LFAST10195100026050002739175862
LM4040CIM3X-4.1LFAST10195100026050002739175862
LM4040CIM3X-5.0LFAST10195100026050002739175862
LM4040CIM3X-8.2LFAST10195100026050002739175862
LM4040CIM7-2.0LFAST10195100026050002739175862
LM4040CIM7-2.5LFAST10195100026050002739175862
LM4040CIM7-3.0LFAST10195100026050002739175862
LM4040CIM7-4.1LFAST10195100026050002739175862
LM4040CIM7-5.0LFAST10195100026050002739175862
LM4040CIM7X-2.5LFAST10195100026050002739175862
LM4040CIM7X-5.0LFAST10195100026050002739175862
LM4040CIZ-10.0LFAST10195100026050002739175862
LM4040CIZ-2.0LFAST10195100026050002739175862
LM4040CIZ-2.5LFAST10195100026050002739175862
LM4040CIZ-3.0LFAST10195100026050002739175862
LM4040CIZ-4.1LFAST10195100026050002739175862
LM4040CIZ-5.0LFAST10195100026050002739175862
LM4040CIZ-8.2LFAST10195100026050002739175862
LM4040DEM3-2.0LFAST10195100026050002739175862
LM4040DEM3-2.5LFAST10195100026050002739175862
LM4040DEM3-3.0LFAST10195100026050002739175862
LM4040DEM3-5.0LFAST10195100026050002739175862
LM4040DEM3X-2.0LFAST10195100026050002739175862
LM4040DEM3X-2.5LFAST10195100026050002739175862
LM4040DEM3X-3.0LFAST10195100026050002739175862
LM4040DEM3X-5.0LFAST10195100026050002739175862
LM4040DIM3-10.0LFAST10195100026050002739175862
LM4040DIM3-2.0LFAST10195100026050002739175862
LM4040DIM3-2.5LFAST10195100026050002739175862
LM4040DIM3-3.0LFAST10195100026050002739175862
LM4040DIM3-4.1LFAST10195100026050002739175862
LM4040DIM3-5.0LFAST10195100026050002739175862
LM4040DIM3-6.0LFAST10195100026050002739175862
LM4040DIM3-8.2LFAST10195100026050002739175862
LM4040DIM3X-10LFAST10195100026050002739175862
LM4040DIM3X-2.0LFAST10195100026050002739175862
LM4040DIM3X-2.5LFAST10195100026050002739175862
LM4040DIM3X-3.0LFAST10195100026050002739175862
LM4040DIM3X-4.1LFAST10195100026050002739175862
LM4040DIM3X-5.0LFAST10195100026050002739175862
LM4040DIM3X-6.0LFAST10195100026050002739175862
LM4040DIM3X-8.2LFAST10195100026050002739175862
LM4040DIM7-2.0LFAST10195100026050002739175862
LM4040DIM7-2.5LFAST10195100026050002739175862
LM4040DIM7-4.1LFAST10195100026050002739175862
LM4040DIM7-5.0LFAST10195100026050002739175862
LM4040DIM7X-2.5LFAST10195100026050002739175862
LM4040DIM7X-4.1LFAST10195100026050002739175862
LM4040DIM7X-5.0LFAST10195100026050002739175862
LM4040DIZ-10.0LFAST10195100026050002739175862
LM4040DIZ-2.0LFAST10195100026050002739175862
LM4040DIZ-2.5LFAST10195100026050002739175862
LM4040DIZ-3.0LFAST10195100026050002739175862
LM4040DIZ-4.1LFAST10195100026050002739175862
LM4040DIZ-5.0LFAST10195100026050002739175862
LM4040DIZ-8.2LFAST10195100026050002739175862
LM4040EEM3-2.0LFAST10195100026050002739175862
LM4040EEM3-2.5LFAST10195100026050002739175862
LM4040EEM3-3.0LFAST10195100026050002739175862
LM4040EEM3X-2.0LFAST10195100026050002739175862
LM4040EEM3X-2.5LFAST10195100026050002739175862
LM4040EEM3X-3.0LFAST10195100026050002739175862
LM4040EIM3-2.0LFAST10195100026050002739175862
LM4040EIM3-2.5LFAST10195100026050002739175862
LM4040EIM3-3.0LFAST10195100026050002739175862
LM4040EIM3X-2.0LFAST10195100026050002739175862
LM4040EIM3X-2.5LFAST10195100026050002739175862
LM4040EIM3X-3.0LFAST10195100026050002739175862
LM4040EIM7-2.0LFAST10195100026050002739175862
LM4040EIM7-2.5LFAST10195100026050002739175862
LM4040EIM7-3.0LFAST10195100026050002739175862
LM4040EIM7X-2.5LFAST10195100026050002739175862
LM4040EIZ-2.0LFAST10195100026050002739175862
LM4040EIZ-2.5LFAST10195100026050002739175862
LM4040EIZ-3.0LFAST10195100026050002739175862

Note: The Early Failure Rates (EFR) were calculated as point estimate PPM based on rejects and sample size for EFR. The Long Term Failure Rates were calculated at 60% confidence using the Arrhenius equation at 0.7eV activation energy and derating the assumed stress temperature of 150°C to an application temperature of 55°C.

For more information on Reliability Metrics, please click here.


Design Tools

TitleSize in Kbytes Date Click link below to Download    
Article - Current Mirror Improves PWM Regulator's Performance     View    

If you have trouble printing or viewing PDF file(s), see Printing Problems.

Application Notes

TitleSize in Kbytes Date Click link below to Download
AN-1820: Application Note 1820 LM5032 Interleaved Boost Converter 1942
Kbytes		 30-May-08 Download
AN-1962: Application Note 1962 LM5032 Interleaved Boost Evaluation Board 2506
Kbytes		 27-Aug-09 Download

If you have trouble printing or viewing PDF file(s), see Printing Problems.

[Information as of 7-Nov-2009]