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Shunt voltage references

LM4040

ACTIVE

Fixed voltage, 45-µA, precision micropower shunt voltage reference

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Same functionality with different pin-out to the compared device
LM4050-N ACTIVE 50-ppm/°C precision micropower shunt voltage reference High accuracy

LM4040

ACTIVE
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Product details

VO (V) 2.048, 2.5, 3, 4.096, 5, 8.192, 10 Initial accuracy (max) (%) 0.1, 0.2, 0.5, 1 VO adj (min) (V) 2.048 VO adj (max) (V) 10 Iz for regulation (min) (µA) 45 Reference voltage (V) Fixed Rating Catalog Temp coeff (max) (ppm/°C) 150 Operating temperature range (°C) -40 to 125 Iout/Iz (max) (mA) 15
VO (V) 2.048, 2.5, 3, 4.096, 5, 8.192, 10 Initial accuracy (max) (%) 0.1, 0.2, 0.5, 1 VO adj (min) (V) 2.048 VO adj (max) (V) 10 Iz for regulation (min) (µA) 45 Reference voltage (V) Fixed Rating Catalog Temp coeff (max) (ppm/°C) 150 Operating temperature range (°C) -40 to 125 Iout/Iz (max) (mA) 15
SOT-23 (DBZ) 3 6.9204 mm² 2.92 x 2.37 SOT-SC70 (DCK) 5 4.2 mm² 2 x 2.1 TO-92 (LP) 3 19.136 mm² 5.2 x 3.68
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Technical documentation

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Type Title Date
Application brief Using Voltage Supervisors in High Voltage Applications (Rev. B) PDF | HTML 20 Feb 2023
E-book Tips and tricks for designing with voltage references (Rev. A) 07 May 2021
White paper Simplifying Signal Chain Design for High Performance in Small Systems 22 Oct 2020
E-book Voltage Supervisor and Reset ICs: Tips, Tricks and Basics 28 Jun 2019
Technical article How to use a voltage reference as a voltage regulator PDF | HTML 04 Dec 2018
White paper Voltage reference selection basics white paper (Rev. A) 23 Oct 2018
Technical article Can I get that shunt reference to go, please? PDF | HTML 29 Feb 2016

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