LM136AH-5.0

Overview

The LM136AH-5.0 is a precision shunt voltage reference integrated circuit from Texas Instruments, functioning as a low-temperature coefficient 5.0V Zener diode with 0.6Ω dynamic impedance. It features a third terminal for easy adjustment of the reference voltage and temperature coefficient. The device operates within a supply voltage range of 2.99V to 5V and supports a wide operating current range from 600µA to 10mA. It provides ±1% initial tolerance and ensures guaranteed temperature stability.

Feature Summary

• Monolithic precision reference design offering stable 5.0V output
• Third terminal allows for easy trimming of reference voltage and temperature coefficient
• Low dynamic impedance of 0.6Ω ensures high regulation performance
• Wide operating current range facilitates use with low-voltage power supplies

Applications

• Digital voltmeters requiring precise voltage references
• Power supply circuits needing stable reference voltages
• Operational amplifier biasing and reference circuits

Procurement Notes

Verify the specific suffix (e.g., NOPB) against the manufacturer's datasheet to confirm lead-free compliance and package type. Ensure the ordering part number matches the required tolerance and temperature grade specifications. Confirm that the procurement channel sources directly from authorized distributors to guarantee component authenticity and traceability.

Selection Notes

Select this component when a fixed 5.0V reference is required with minimal external trimming. The availability of a trim terminal makes it suitable for applications demanding lower temperature drift than standard Zener diodes. Consider the 600µA minimum current requirement to ensure proper regulation during operation.

Part Context

This device belongs to the LM136 series of precision shunt regulators. The series is designed to replace traditional Zener diodes in applications requiring higher accuracy and better temperature stability. The LM136 family offers a compact solution for creating precise voltage references in analog and digital systems.

FAQ

How does the third terminal function?

The third terminal allows users to easily adjust the reference voltage and minimize the temperature coefficient through external trimming components.

What is the dynamic impedance of the LM136AH-5.0?

The device exhibits a low dynamic impedance of 0.6Ω, which contributes to its high regulation accuracy.