Texas Instruments

REF5040AID  

Voltage References

REF5040AID Description

The REF5040AID from Texas Instruments is a high-precision, low-noise, series voltage reference designed for demanding industrial and instrumentation applications. With a fixed output voltage of 4.096V and an exceptional tolerance of ±0.1%, this device ensures outstanding accuracy in voltage regulation. It operates over a wide input voltage range of 4.296V to 18V, making it versatile for various power supply configurations. The REF5040AID features a low 1.2mA supply current and delivers a stable 10mA output current, ideal for power-sensitive designs. Packaged in an 8-pin SOIC tube, it is RoHS3 compliant and rated for MSL 2 (1 Year), ensuring reliability in surface-mount applications.

REF5040AID Features

• Ultra-Low Noise: 12µVpp/V (0.1Hz to 10Hz) ensures minimal signal interference in precision circuits.
• High Accuracy: ±0.1% initial tolerance and 8ppm/°C temperature coefficient for stable performance across temperature variations.
• Low Power Consumption: 1.2mA supply current extends battery life in portable applications.
• Robust Design: 10mA output current capability supports driving multiple loads without degradation.
• Wide Input Range: 4.296V to 18V compatibility suits diverse power supply architectures.
• Industry-Standard Packaging: 8-pin SOIC (Surface Mount) with REACH Unaffected and EAR99 compliance for global deployment.

REF5040AID Applications

• Precision Data Acquisition Systems: Ensures accurate ADC/DAC reference voltages in medical and test equipment.
• Industrial Automation: Provides stable voltage references for PLCs, sensors, and control systems.
• Portable Instruments: Low power consumption makes it ideal for handheld meters and battery-operated devices.
• Communications Infrastructure: Maintains signal integrity in base stations and RF modules.
• Automotive Electronics: Suitable for ECU and sensor calibration due to its high temperature stability.

Conclusion of REF5040AID

The REF5040AID stands out as a high-performance voltage reference, combining low noise, high accuracy, and low power consumption in a compact SOIC package. Its wide input range and robust output drive make it a superior choice for precision applications in industrial, automotive, and portable electronics. For engineers seeking a reliable, high-accuracy reference with minimal thermal drift, the REF5040AID delivers exceptional value and performance.

REF5040AID Documents

Download datasheets and manufacturer documentation for REF5040AID

Images :

Mechanical Outline Drawing       Function Diagram      

PCN :

Add Cu as Alternative Wire Base Metal for Selected Device(s) (PDF)       Product Change Notification (PDF)       Product Change Notification 2024-06-28 (PDF)      

Models :

REF5040AID Symbol & Footprint by SnapMagic      

Product Catalogs :

TI Components for Aerospace and Defense Guide (Rev. E)      

Application Notes :

How the voltage reference affects ADC performance Part 2       How the voltage reference affects ADC performance Part 3      

Technical Resources :

REF5040 TINA-TI Reference Design (Rev. A)      

SPICE Models :

REF5040 TINA-TI Spice Model (Rev. A)       REF5040 PSpice Model (Rev. A)