Texas Instruments

LM4040A50IDBZT  

Voltage References

LM4040A50IDBZT Description

The LM4040A50IDBZT from Texas Instruments is a high-precision shunt voltage reference designed for applications requiring stable, low-noise voltage regulation. This fixed 5V output reference offers an exceptional ±0.1% tolerance and a low temperature coefficient of 100ppm/°C, ensuring accuracy across a wide operating range. Packaged in a compact SOT23-3 surface-mount form factor, it is ideal for space-constrained designs. With a 15mA output current capability and ultra-low 95µA cathode current, it balances performance with power efficiency. The device is RoHS3 compliant and features REACH unaffected status, making it suitable for environmentally conscious applications.

LM4040A50IDBZT Features

• Precision Voltage Reference: Fixed 5V output with ±0.1% tolerance for high-accuracy applications.
• Low Noise Performance: 80µVrms noise from 10Hz to 10kHz ensures clean voltage regulation in sensitive circuits.
• Excellent Thermal Stability: 100ppm/°C temperature coefficient minimizes drift over temperature variations.
• Low Power Consumption: 95µA cathode current enhances energy efficiency in battery-operated systems.
• Compact & Reliable: SOT23-3 package with MSL1 (Unlimited) moisture sensitivity, suitable for automated assembly.
• Wide Compliance: ROHS3 and REACH Unaffected, meeting stringent environmental standards.

LM4040A50IDBZT Applications

• Precision Analog Circuits: Ideal for ADCs, DACs, and sensor interfaces requiring stable voltage references.
• Power Management Systems: Used in voltage regulators, LDOs, and switching converters for accurate feedback.
• Portable & Battery-Powered Devices: Low cathode current makes it suitable for wearables, IoT sensors, and medical devices.
• Industrial & Automotive Electronics: Reliable performance in control systems, instrumentation, and infotainment under varying temperatures.
• Test & Measurement Equipment: Ensures low-noise, high-accuracy calibration and signal conditioning.

Conclusion of LM4040A50IDBZT

The LM4040A50IDBZT stands out as a high-performance shunt voltage reference, combining precision, low noise, and thermal stability in a compact package. Its low power consumption and wide compliance make it versatile for industrial, automotive, and portable applications. Engineers seeking a reliable 5V reference with ±0.1% accuracy will find this device an optimal choice for demanding designs.

LM4040A50IDBZT Documents

Download datasheets and manufacturer documentation for LM4040A50IDBZT

PCN Assembly/Origin :

Qual of NFME 17/Feb/2017      

Datasheets :

LM4040A,B,C,D Datasheet      

PCN Design/Specification :

LM404xx 07/Mar/2023