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Texas Instruments LM4041CEM3-ADJ/NOPB — Analog & Data Acquisition

LM4041CEM3-ADJ/NOPB Shunt Voltage Reference

MPNLM4041CEM3-ADJ/NOPB
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Texas Instruments LM4041CEM3-ADJ/NOPB shunt voltage reference, adjustable output, ±0.5% tolerance, 12 mA output, 68 µA cathode current, SOT-23-3, -40°C to 125°C.

$1.1300Ref. price · indicative, final on quote
Texas Instruments LM4041CEM3-ADJ/NOPB datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

LM4041CEM3-ADJ/NOPB specifications
ParameterValue
Output typeAdjustable
MountingSurface Mount
Reference typeShunt
Voltage - output10 V
Voltage - output (Min (Fixed))1.233V
Output current12 mA
Current - cathode68 µA
Operating temperature-40°C~125°C(TA)
PackageTape & Reel (TR); Cut Tape (CT)
Tolerance±0.5%
CaseTO-236-3, SC-59, SOT-23-3
Noise - 10Hz to 10kHz20µVrms
Temperature coefficient100ppm/°C

Product details

Adjustable shunt reference in SOT-23-3

The 68 µA cathode current is the minimum bias needed to keep the reference in regulation — undershoot that in the resistor divider and the output voltage drops out of spec.

Output current and bias resistor sizing

The reference can sink up to 12 mA at the cathode, which sets the upper limit for the load current plus the resistor divider current. The bias resistor from the supply to the cathode must be chosen so that the cathode current stays above 68 µA at the minimum supply voltage and maximum load.

The /NOPB suffix confirms lead-free (RoHS-compliant) construction.

Frequently asked questions

What is the difference between LM4041CEM3-ADJ and LM4041AIM3-ADJ?

The difference is the initial tolerance grade. The 'C' version (this part) is specified at ±0.5%, while the 'A' version is a tighter ±0.1% grade. Both are adjustable shunt references in the same SOT-23-3 package and are pin-compatible.