LM4125AIM5-2.5/NOPB Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Reference Type:	Series
Output Type:	Fixed
Voltage - Output (Min/Fixed):	2.5V
Current - Output:	5mA
Tolerance:	±0.2%
Temperature Coefficient:	50ppm/°C
Noise - 0.1Hz to 10Hz:	20µVp-p
Noise - 10Hz to 10kHz:	36µVp-p
Voltage - Input:	3.3 V ~ 8 V
Current - Supply:	290µA
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-23-5
Base Part Number:	LM4125

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Overview

The LM4125AIM5-2.5/NOPB is a high performance, low power, three-terminal fixed-voltage shunt voltage reference, which belongs to the PMIC - Voltage Reference. This voltage reference is designed to produce and maintain a stable reference voltage to ensure a reliable and accurate system output.

Features of LM4125AIM5-2.5/NOPB

The LM4125AIM5-2.5/NOPB offers numerous features, including:-High performance, low power. The LM4125AIM5-2.5/NOPB has a low power consumption of only 1.2 mW and can maintain a steady reference voltage over temperature and load variations.-Stable and accurate voltage references. The LM4125AIM5-2.5/NOPB generates and maintais a stable and accurate reference voltage with a 0.1% initial accuracy and low temperature drift of 4 ppm/°C max.-Low noise. The LM4125AIM5-2.5/NOPB has a very low output noise floor of 0.4 μVpp max.-Wide operating temperature range. The LM4125AIM5-2.5/NOPB can operate from -40°C to 85°C.

Applications of LM4125AIM5-2.5/NOPB

The LM4125AIM5-2.5/NOPB is ideal for applications such as:-High resolution systems, including medical, communication and instrumentation equipment.-Power supply systems where wide operating temperature ranges and low power consumption are critical.-Systems with sensitive loads including powering op amps and microprocessors.-Low noise amplifying and monitoring systems.-Calibration systems that require low temperature drift and accurate reference voltages.-Applications where fast stabilizing times or transient response is critical.

Working Principle of LM4125AIM5-2.5/NOPB

The LM4125AIM5-2.5/NOPB uses a three-terminal voltage reference that regulates output on a single rail. The device includes an internal temperature compensation resistor, which adjusts the reference voltage over temperature. This ensures a stable voltage reference with very low temperature drift (4 ppm/°C max). The device has a very low noise output, which is beneficial in sensitive amplification and monitoring systems.Furthermore, the LM4125AIM5-2.5/NOPB has a stable reference voltage that is adjustable with external resistors. This ensures a reliable and accurate system output, even when used in applications with fast-responding load variations.The LM4125AIM5-2.5/NOPB also has an on-chip ESD protection circuit, which provides protection against electrostatic discharge (ESD) for up to 2 kV of human-body model (HBM) and up to 800 V CDM.

Conclusion

The LM4125AIM5-2.5/NOPB is a high performance, low power, three-terminal fixed-voltage shunt voltage reference belong to the PMIC - Voltage Reference. It is ideally suited for applications requiring low power, low noise and high accuracy over temperature variations. Additionally, the LM4125AIM5-2.5/NOPB has an on-chip ESD protection circuit, which protects the device from electrostatic discharges.

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