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The LM4040AIM3X-5.0/NOPB is a micropower shunt voltage reference from Texas Instruments, offering a fixed 5V output with ±0.1% initial accuracy and a temperature coefficient of 50 ppm/°C. It operates within a -40°C to +125°C range, drawing a maximum cathode current of 15mA. The device utilizes a SOT-23-3 surface-mount package.
Verify the specific suffix 'A' indicates the ±0.1% accuracy grade and 'I' denotes the industrial temperature range. Confirm the 'X' signifies tape-and-reel packaging. Ensure the 'NOPB' designation confirms lead-free and RoHS compliance status prior to ordering.
Select this component when high precision and low temperature drift are required in a compact SOT-23 form factor. Compare against the LM4040BIM3X series if lower accuracy or different thermal characteristics suffice. Consider the LM4050 series for extended temperature ranges up to 125°C with similar performance metrics.
This part belongs to the LM4040 family of micropower shunt references. It shares the same physical footprint as other variants but differs in electrical specifications. The 'A' grade provides tighter tolerance than standard versions, while the 'I' grade ensures reliability across industrial operating conditions.
LM4040BIM3X-5.0/NOPB offers ±0.2% accuracy. LM4040DIM3X-5.0/NOPB provides ±1% accuracy. LM4050AIM3X-5.0/NOPB features an extended temperature range up to 125°C.