LM4132AMF-1.8

Voltage Reference Overview

The LM4132AMF-1.8/NOPB is a precision series voltage reference manufactured by Texas Instruments, housed in a compact 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 low 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 reliably across an extended temperature range from -40°C to +125°C.

Voltage Reference Feature Summary

• Provides high-precision fixed voltage output with tight initial accuracy tolerance
• Features low temperature drift characteristics for stable performance over thermal variations
• Integrates shutdown functionality to minimize power consumption when not in use

Voltage Reference Applications

• Precision analog-to-digital converter (ADC) reference sources
• Data acquisition systems requiring stable voltage rails
• Battery-powered instrumentation with strict power constraints

Voltage Reference Procurement Notes

Verify the specific suffix designation against official Texas Instruments documentation to confirm pinout compatibility and functional specifications. Ensure the ordering part number matches the required output voltage and package variant. Cross-reference datasheet revisions to validate electrical parameters before integration into design specifications.

Voltage Reference Selection Notes

Select this component when designing circuits that demand high stability and low noise in a minimal footprint. The SOT-23-5 package facilitates dense PCB layouts while maintaining precision performance. Consider the shutdown feature for applications requiring active power management alongside voltage regulation requirements.

Voltage Reference Part Context

This device belongs to the LM4132 family of micropower precision shunt voltage references designed for space-constrained applications. The series offers various fixed output voltages optimized for industrial and consumer electronics. The AMF variant denotes specific manufacturing tolerances and packaging configurations within the broader product line.

Voltage Reference Replacement Considerations

LM4132AMF-1.8/NOPB