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Texas Instruments LM4040AIM3X-5.0 — Analog & Data Acquisition

LM4040AIM3X-5.0 Shunt Voltage Reference, ±0.1%, 5V, SOT-23-3

MPNLM4040AIM3X-5.0
NRND

Texas Instruments LM4040 series precision shunt voltage reference, fixed 5V output, ±0.1% initial tolerance, 80 µVrms noise, SOT-23-3 package, -40°C to 85°C.

$2.9700Ref. price · indicative, final on quote
Texas Instruments LM4040AIM3X-5.0 datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

LM4040AIM3X-5.0 specifications
ParameterValue
Output typeFixed
MountingSurface Mount
Reference typeShunt
Voltage - output (Min (Fixed))5V
Output current15 mA
Current - cathode80 µA
Operating temperature-40°C~85°C(TA)
PackageTape & Reel (TR); Cut Tape (CT)
Tolerance±0.1%
CaseTO-236-3, SC-59, SOT-23-3
Noise - 10Hz to 10kHz80µVrms
Temperature coefficient100ppm/°C

Product details

Precision 5V shunt reference in SOT-23-3

The LM4040AIM3X-5.0 is a precision shunt voltage reference from Texas Instruments, delivering a fixed 5V output with ±0.1% initial tolerance in a SOT-23-3 package.

NRND — plan your next BOM spin

New designs should select an active alternative to avoid future last-time-buy risk.

Noise and drift floor for ADC bias

Output noise is specified at 80 µVrms over 10 Hz to 10 kHz, and the temperature coefficient is 100 ppm/°C. These figures define the reference's suitability for precision ADC and DAC bias applications where long-term stability matters.

Shunt reference — load and bias rules

As a shunt-type reference, the LM4040AIM3X-5.0 sinks current through its cathode to regulate the output. Maximum output current is 15 mA, and the minimum cathode current is 80 µA.

Frequently asked questions

What is the replacement for LM4040AIM3X-5.0?

No official replacement or successor is listed on the record. For new designs, select an active shunt reference from the LM4040 family that meets the same 5V output and ±0.1% tolerance in SOT-23-3.