Texas Instruments

LM4040D50IDBZRG4

LM4040D50IDBZRG4 Description

The LM4040D50IDBZRG4 is a precision shunt voltage reference IC designed by Texas Instruments, featuring a fixed output voltage of 5V with a tolerance of ±1%. This device is ideal for applications requiring high accuracy and stability in voltage reference circuits. The LM4040D50IDBZRG4 is housed in a compact SOT23-3 package, making it suitable for surface mount applications where space is a critical consideration.

LM4040D50IDBZRG4 Features

• Fixed Output Voltage: The LM4040D50IDBZRG4 provides a stable 5V output voltage, ensuring consistent performance in voltage reference applications.
• Low Temperature Coefficient: With a temperature coefficient of 150ppm/°C, this IC maintains high accuracy across a wide temperature range, making it suitable for use in various environmental conditions.
• Low Noise: The device exhibits low noise levels of 80µVrms over the frequency range of 10Hz to 10kHz, which is crucial for applications sensitive to noise interference.
• High Output Current Capability: The LM4040D50IDBZRG4 can handle an output current of up to 15 mA, providing robust performance for demanding applications.
• Low Cathode Current: The cathode current is only 95 µA, minimizing power consumption and heat generation.
• Compliance and Packaging: The IC is REACH unaffected and RoHS3 compliant, ensuring environmental sustainability. It is available in a tape & reel (TR) package, facilitating efficient manufacturing processes.

LM4040D50IDBZRG4 Applications

The LM4040D50IDBZRG4 is well-suited for a variety of applications where precise voltage references are required. These include:

• Analog-to-Digital Converters (ADCs): The low noise and high accuracy of the LM4040D50IDBZRG4 make it an ideal reference voltage source for ADCs, ensuring precise and reliable conversions.
• Digital-to-Analog Converters (DACs): The stable 5V output voltage provides a reliable reference for DACs, enhancing the accuracy of digital signal processing.
• Power Management Circuits: The high output current capability and low temperature coefficient make this IC suitable for power management applications, where stable voltage references are essential.
• Precision Measurement Equipment: The ±1% tolerance and low noise characteristics of the LM4040D50IDBZRG4 are beneficial for precision measurement equipment, ensuring accurate readings.

Conclusion of LM4040D50IDBZRG4

The LM4040D50IDBZRG4 from Texas Instruments is a high-performance shunt voltage reference IC that offers a combination of precision, stability, and low noise. Its fixed 5V output voltage, low temperature coefficient, and high output current capability make it a versatile solution for a wide range of applications. Despite being marked as obsolete, the LM4040D50IDBZRG4 remains a reliable choice for engineers and designers seeking a compact, high-accuracy voltage reference solution.