LM4040AEM3-3.0/V+T

3.0 V High-Accuracy, Low-Drift Shunt Reference in SOT-23 Package

Product Description

Product Overview

The LM4040AEM3-3.0/V+T is a precision shunt voltage reference that delivers a stable 3.000 V output with high initial accuracy and low temperature drift. Designed for modern low-voltage systems, it operates reliably over a wide shunt current range and remains stable without requiring an external output capacitor. Its low noise, low dynamic impedance, and compact SOT-23-3 package make it ideal for ADC/DAC references, microcontroller power monitoring, and precision analog front-end circuits.

Key Features

Fixed 3.000 V precision shunt voltage reference
A-grade high initial accuracy
Low temperature coefficient
Low dynamic impedance for improved regulation
Stable operation without output capacitor
Wide shunt current operating range
Low output noise
Industrial temperature range support
Compact SOT-23-3 surface-mount package
RoHS compliant

Applications

ADC and DAC reference voltage sources (3.0 V systems)
Microcontroller and SoC voltage monitoring
Precision data acquisition systems
Portable and battery-powered electronics
Industrial control and automation systems
Instrumentation and measurement equipment
Low-voltage precision analog front ends

Electrical Characteristics

Parameter	Typical
Reference Type	Precision Shunt Reference
Output Voltage	3.000 V (fixed)
Initial Accuracy	A-grade
Temperature Coefficient	Low
Output Noise	Low
Dynamic Impedance	Low
Shunt Current Range	Wide operating range
Stability	No output capacitor required
Package	SOT-23-3
Operating Temperature	–40 °C ~ +125 °C
Mounting	Surface Mount
RoHS Compliance	RoHS Compliant