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LM4041
Improved Precision Micropower Shunt Voltage Reference


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Data Sheet
FULL DATA SHEET (PDF, 312kB)
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Description
The LM4041 is a precision two-terminal shunt mode, bandgap voltage reference with a fixed reverse breakdown voltage of 1.225V. Ideal for space-critical applications, the LM4041 is offered in the subminiature 3-pin SC70 surface-mount package (1.8mm x 1.8mm), 50% smaller than comparable devices in SOT23 surfacemount packages (SOT23 versions are also available).

Laser-trimmed resistors ensure precise initial accuracy. With a 100ppm/°C temperature coefficient, the device is offered in four grades of initial accuracy ranging from 0.1% to 1%. The LM4041 has a 60µA to 12mA shunt current capability with low dynamic impedance, ensuring stable reverse-breakdown voltage accuracy over a wide range of operating temperatures and currents.

The LM4041 does not require an external stabilizing capacitor while ensuring stability with any capacitive load.

The LM4041 is guaranteed over the temperature range -40°C to +125°C.

Key Features   Applications/Uses
  • Ultra-Small 3-Pin SC70 Package
  • 0.1% (max) Initial Accuracy
  • 100ppm/°C (max) Temperature Coefficient Guaranteed over -40°C to +125°C Temperature Range
  • Wide Operating Current Range: 60µA to 12mA
  • Low 20µVRMS Output Noise (10Hz to 10kHz)
  • 1.225V Fixed Reverse Breakdown Voltage
  • No Output Capacitors Required
  • Tolerates Capacitive Loads

 
  • Cell Phones
  • Industrial Process Controls
  • Notebook Computers
  • Portable Battery-Powered Equipment

    Diagram
    Typical Operating Circuit

    Pin Configuration

    Evaluation Kits
    none

    Design Guides
  • Reference (PDF)

    Reliability Reports
  • Show FIT data for:
  • Reliability Report: LM4041xIx.pdf

    Software/Models
    none

    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.


    Devices: 1-64 of 64

    LM4041 Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    LM4041CEX3-1.2+  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3+2*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041CEX3-1.2  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3-2*
    -40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    LM4041BEX3-1.2  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3-2*
    -40°C to +125°C See data sheet
    Materials Analysis
    LM4041DEX3-1.2+  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3+2*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041BEX3-1.2+  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3+2*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041DEX3-1.2  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3-2*
    -40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    LM4041AEX3-1.2+  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3+2*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041AEX3-1.2  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3-2*
    -40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    LM4041AIX3-1.2  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3-2*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    LM4041BIX3-1.2+  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3+2*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041BIX3-1.2  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3-2*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    LM4041DIX3-1.2  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3-2*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    LM4041CIX3-1.2+  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3+2*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041AIX3-1.2+  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3+2*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041DIX3-1.2+  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3+2*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041CIX3-1.2  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3-2*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    LM4041DEX3-1.2+T  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3+2*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041CEX3-1.2+T  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3+2*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041AEX3-1.2-T  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3-2*
    -40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    LM4041BEX3-1.2+T  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3+2*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041CEX3-1.2-T  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3-2*
    -40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    LM4041AEX3-1.2+T  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3+2*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041BEX3-1.2-T  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3-2*
    -40°C to +125°C See data sheet
    Materials Analysis
    LM4041DEX3-1.2-T  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3-2*
    -40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    LM4041AIX3-1.2-T  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3-2*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    LM4041BIX3-1.2-T  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3-2*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    LM4041DIX3-1.2+T  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3+2*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041CIX3-1.2-T  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3-2*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    LM4041DIX3-1.2-T  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3-2*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    LM4041CIX3-1.2+T  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3+2*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041BIX3-1.2+T  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3+2*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041AIX3-1.2+T  
    SC-70;3 pin;
    Dwg: 21-0075 (PDF)
    Use pkgcode/variation: X3+2*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041DEM3-1.2  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    LM4041BEM3-1.2  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +125°C See data sheet
    Materials Analysis
    LM4041CEM3-1.2+  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +125°C See data sheet
    Materials Analysis
    LM4041DEM3-1.2+  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041CEM3-1.2  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +125°C See data sheet
    Materials Analysis
    LM4041AEM3-1.2  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    LM4041BEM3-1.2+  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +125°C See data sheet
    Materials Analysis
    LM4041AEM3-1.2+  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041AIM3-1.2  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    LM4041CIM3-1.2  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    LM4041BIM3-1.2  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    LM4041BIM3-1.2+  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041DIM3-1.2+  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041DIM3-1.2  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    LM4041AIM3-1.2+  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041CIM3-1.2+  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041BEM3-1.2-T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +125°C See data sheet
    Materials Analysis
    LM4041CEM3-1.2-T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +125°C See data sheet
    Materials Analysis
    LM4041AEM3-1.2-T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    LM4041DEM3-1.2-T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    LM4041AEM3-1.2+T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041BEM3-1.2+T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +125°C See data sheet
    Materials Analysis
    LM4041CEM3-1.2+T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +125°C See data sheet
    Materials Analysis
    LM4041DEM3-1.2+T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041AIM3-1.2-T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    LM4041BIM3-1.2-T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    LM4041DIM3-1.2+T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041CIM3-1.2-T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    LM4041DIM3-1.2-T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    LM4041CIM3-1.2+T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041BIM3-1.2+T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    LM4041AIM3-1.2+T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    Related Products
    MAX6330, MAX6331 Precision Shunt Regulators with Reset in SOT23-3

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    Document Ref.: 19-1704; Rev 4; 2005-09-12
    This page last modified: 2007-06-05



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