Texas Instruments

REF5050IDG4  

Voltage References

REF5050IDG4 Description

The REF5050IDG4 is a precision voltage reference IC from Texas Instruments, designed to deliver highly accurate and stable reference voltages in a variety of electronic applications. This device is part of the REF5050 series, known for its exceptional performance and reliability. The REF5050IDG4 features a fixed output voltage of 5V with a tolerance of ±0.05%, ensuring precise voltage regulation. It operates with an input voltage range of 5.2V to 18V, making it versatile for different power supply configurations.

REF5050IDG4 Features

• Low Noise: The REF5050IDG4 exhibits low noise characteristics, with a noise level of 15µVpp/V from 0.1Hz to 10Hz. This low noise performance is crucial for applications requiring high signal integrity and minimal interference.
• High Accuracy: With a tolerance of ±0.05%, the REF5050IDG4 provides highly accurate voltage references, essential for precision analog circuits.
• Low Temperature Coefficient: The device has a temperature coefficient of 3ppm/°C, ensuring stable performance across a wide temperature range.
• Low Supply Current: The REF5050IDG4 operates with a supply current of only 1.2mA, making it energy-efficient and suitable for low-power applications.
• High Output Current: It can deliver up to 10mA of output current, supporting a range of load requirements.
• Surface Mount Packaging: The REF5050IDG4 is available in a surface mount package (8SOIC), which is ideal for compact and high-density PCB designs.
• Compliance and Compatibility: The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards. It also has an ECCN classification of EAR99 and an HTSUS code of 8542.39.0001.
• Moisture Sensitivity Level: With an MSL rating of 2 (1 Year), the REF5050IDG4 is suitable for standard manufacturing processes without requiring special handling.

REF5050IDG4 Applications

The REF5050IDG4 is ideal for a range of applications that demand high precision and stability in voltage references. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): The low noise and high accuracy of the REF5050IDG4 make it an excellent reference for ADCs, ensuring precise and reliable conversions.
• Digital-to-Analog Converters (DACs): The stable output voltage and low temperature coefficient are beneficial for DACs, providing accurate and consistent analog outputs.
• Precision Measurement Instruments: The REF5050IDG4 can be used in instruments such as voltmeters, ammeters, and other precision measurement devices where accuracy is paramount.
• Power Supply Circuits: The device can serve as a reference in power supply circuits, ensuring stable and accurate voltage regulation.
• Medical and Industrial Equipment: The REF5050IDG4 is suitable for medical and industrial applications where high reliability and precision are required.

Conclusion of REF5050IDG4

The REF5050IDG4 from Texas Instruments stands out as a high-performance voltage reference IC, offering a combination of low noise, high accuracy, and low temperature coefficient. Its ability to deliver precise voltage references with minimal power consumption makes it an ideal choice for a variety of precision analog applications. Despite being marked as obsolete, the REF5050IDG4 remains a reliable option for designers seeking a proven and accurate voltage reference solution.

REF5050IDG4 Documents

Download datasheets and manufacturer documentation for REF5050IDG4

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