Skip to main content
Log in
Texas Instruments LM4040B41IDCKR — Analog & Data Acquisition

LM4040B41IDCKR Shunt Voltage Reference, 4.096 V ±0.2%

MPNLM4040B41IDCKR
Active

Texas Instruments LM4040B41IDCKR precision shunt voltage reference, 4.096 V fixed output, ±0.2% tolerance, 100 ppm/°C temperature coefficient, 15 mA output capability, SC-70-5 package, -40°C to 85°C operation.

$1.1445Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

LM4040B41IDCKR specifications
ParameterValue
Output typeFixed
MountingSurface Mount
Reference typeShunt
Voltage - output (Min (Fixed))4.096V
Output current15 mA
Current - cathode88 µA
Operating temperature-40°C~85°C(TA)
PackageTape & Reel (TR); Cut Tape (CT)
Tolerance±0.2%
Case5-TSSOP, SC-70-5, SOT-353
Noise - 10Hz to 10kHz80µVrms
Temperature coefficient100ppm/°C

Product details

4.096 V shunt reference for precision bias and ADC references

The Texas Instruments LM4040B41IDCKR is a precision shunt voltage reference delivering a fixed 4.096 V output with ±0.2% initial tolerance. As a shunt reference, it behaves like a precision Zener diode — it requires a bias resistor from the supply to set the operating current, and the load draws current from the same node. The minimum cathode current is 88 µA, and the device can source up to 15 mA to the load while maintaining regulation.

Temperature drift and noise floor for industrial signal chains

This low-noise characteristic makes the part suitable for precision measurement chains where the reference noise must not dominate the ADC's quantization noise floor.

Active lifecycle and SC-70-5 footprint planning

The device is offered in a 5-pin SC-70-5 package (also known as SOT-353).

Frequently asked questions

What is the tolerance of the LM4040B41IDCKR?

Initial tolerance is ±0.2%, placing it in the precision tier suitable for 12-bit systems without trimming.