LM4041

Improved Precision Micropower Shunt Voltage Reference

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Status Explanations for product status codes

Active: In Production.

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.
 

Data Sheet

Download this datasheet in PDF formatDownload Rev 4 (PDF, 144kB)
Send this datasheet to any email addressE-Mail

Key Features

  • 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
 

Applications/Uses

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

Key Specifications:

Voltage References
Part Number VOUT
(V)
Temp. Coeff.
(ppm/°C)
Initial Accuracy
(% max)
IREV
(µA)
IREV
(mA)
Oper. Temp.
(°C)
Package/Pins Smallest Available Pckg.
(mm2)
Budgetary Price
max @ +25°C min max max w/pins See Notes
LM4041A  1.25 100 0.1 65 15
-40 to +85
-40 to +125
SC70/3
SOT/3
8 $0.79 @1k
LM4041B  100 0.2 65
SC70/3
SOT/3
$0.48 @1k
LM4041C  100 0.5 65
SC70/3
SOT/3
$0.29 @1k
LM4041D  150 1 70
SC70/3
SOT/3
$0.26 @1k
See All Voltage References (168)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.


Diagram

LM4041: Typical Operating Circuit
Typical Operating Circuit

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Document Ref.: 19-1704 Rev 4; 2005-09-12
This page last modified: 2010-05-19




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