Texas Instruments

REF5040AIDG4  

Voltage References

REF5040AIDG4 Description

The REF5040AIDG4 is a precision voltage reference IC designed by Texas Instruments, offering a fixed output voltage of 4.096V with a tolerance of ±0.1%. This device is part of the Power Management (PMIC) category and is housed in a surface mount package, specifically an 8SOIC. The REF5040AIDG4 is known for its low noise performance, with a noise level of 12µVpp/V in the 0.1Hz to 10Hz frequency range. It features a temperature coefficient of 8ppm/°C, ensuring stability across varying temperatures. The device can supply up to 10mA of output current while consuming only 1.2mA of supply current. It operates within an input voltage range of 4.296V to 18V. The REF5040AIDG4 is packaged in a tube and has a moisture sensitivity level (MSL) of 2 (1 Year). It is compliant with ROHS3 and is unaffected by REACH regulations. The ECCN classification is EAR99, and the HTSUS code is 8542.39.0001. Although the product is now obsolete, it remains a benchmark for precision and reliability in voltage reference applications.

REF5040AIDG4 Features

• Precision Output Voltage: The REF5040AIDG4 provides a highly accurate fixed output voltage of 4.096V with a tight tolerance of ±0.1%, ensuring precise voltage levels for sensitive applications.
• Low Noise Performance: With a noise level of 12µVpp/V in the 0.1Hz to 10Hz range, this IC is ideal for applications requiring low noise and high accuracy.
• Low Temperature Coefficient: The 8ppm/°C temperature coefficient ensures minimal drift over temperature variations, making it suitable for a wide range of operating conditions.
• High Output Current Capability: The device can deliver up to 10mA of output current, supporting multiple load requirements.
• Low Supply Current: Consuming only 1.2mA of supply current, the REF5040AIDG4 is energy-efficient and suitable for low-power applications.
• Wide Input Voltage Range: Operating from 4.296V to 18V, this IC is versatile and can be used in various power supply configurations.
• Surface Mount Packaging: The 8SOIC surface mount package is ideal for compact designs and high-density PCB layouts.
• Compliance and Reliability: The REF5040AIDG4 is ROHS3 compliant and unaffected by REACH regulations, ensuring environmental safety and regulatory compliance.

REF5040AIDG4 Applications

The REF5040AIDG4 is well-suited for a variety of applications requiring high precision and low noise voltage references. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): The low noise and high accuracy of the REF5040AIDG4 make it ideal for providing a stable reference voltage to ADCs, ensuring accurate and reliable digital conversions.
• Digital-to-Analog Converters (DACs): The precision output voltage helps in maintaining the accuracy of DACs, which is crucial for applications like audio processing and signal generation.
• Precision Measurement Equipment: The REF5040AIDG4 can serve as a reference voltage in precision measurement instruments, such as oscilloscopes and multimeters, enhancing the accuracy of measurements.
• Power Management Systems: The wide input voltage range and low supply current make it suitable for use in power management systems where efficiency and stability are critical.
• Medical Devices: The high accuracy and stability of the REF5040AIDG4 are beneficial in medical devices that require precise voltage references for accurate readings and reliable performance.

Conclusion of REF5040AIDG4

The REF5040AIDG4 from Texas Instruments is a precision voltage reference IC that stands out for its high accuracy, low noise, and low temperature coefficient. Its ability to deliver up to 10mA of output current while consuming minimal supply current makes it an efficient choice for a variety of applications. The surface mount 8SOIC package ensures ease of integration into compact designs. Although now obsolete, the REF5040AIDG4 remains a reliable option for applications requiring a stable and precise voltage reference. Its compliance with environmental regulations and wide input voltage range further enhance its versatility and suitability for diverse applications in the electronics industry.

REF5040AIDG4 Documents

Download datasheets and manufacturer documentation for REF5040AIDG4

Datasheets :

REF5020,25,30,40,45,50 Datasheet      

PCN Obsolescence/ EOL :

Mult Dev EOL 31/Aug/2023      

HTML Datasheet :

REF5020,25,30,40,45,50 Datasheet      

PCN Design/Specification :

REF50xx Datasheet 21/Jun/2023       REF50yyy 08/Jun/2020