LM4132AMF-1.8/NOPB

Voltage Reference Overview

The LM4132AMF-1.8/NOPB is a precision series voltage reference IC manufactured by Texas Instruments, housed in an SOT-23-5 surface-mount package. It provides a fixed output voltage of 1.8 V with an initial accuracy of ±0.05%. The device features a temperature coefficient of 20 ppm/°C and supports a maximum shunt current of 20 mA. It operates within an input voltage range up to 6 V and functions across a temperature range from -40°C to +125°C.

Voltage Reference Feature Summary

• Delivers high-precision voltage regulation with tight initial accuracy tolerances for sensitive analog circuits.
• Designed for low dropout operation, allowing efficient performance with minimal input-to-output voltage differential.
• Qualified for automotive applications under AEC-Q100 standards, ensuring reliability in demanding environments.

Voltage Reference Applications

• Precision data acquisition systems requiring stable reference voltages
• Automotive electronic control units (ECUs) and sensor interfaces
• Portable battery-powered instrumentation with strict power constraints

Voltage Reference Procurement Notes

Verify the specific suffix 'NOPB' indicates lead-free composition and RoHS compliance as per manufacturer specifications. Confirm the 'A' grade designation aligns with required initial accuracy and temperature coefficient parameters for your design. Ensure the SOT-23-5 footprint matches your PCB layout constraints before ordering.

Voltage Reference Selection Notes

Select this component when a fixed 1.8 V reference is required with high precision and automotive qualification. Compare against other LM4132 variants if different output voltages or accuracy grades are needed. Consider the 20 mA shunt current limit when designing biasing networks for load requirements.

Voltage Reference Part Context

This part belongs to the LM4132 family of precision low-dropout voltage references from Texas Instruments. The family includes various output voltage options and accuracy grades, all sharing similar low-power characteristics and compact SOT-23 packaging suitable for space-constrained designs.

Voltage Reference Replacement Considerations

Direct substitutes include other LM4132 variants with different output voltages or accuracy grades, such as LM4132AMF-3.0/NOPB. Verify pin compatibility and thermal performance when cross-referencing with competitor parts offering similar precision and automotive qualifications.