Texas Instruments

REF5045AID

REF5045AID Description

The REF5045AID from Texas Instruments is a high-precision, low-noise 4.5V series voltage reference designed for applications demanding exceptional accuracy and stability. Housed in an 8-SOIC package, this IC delivers a fixed output voltage with a tight tolerance of ±0.1% and an ultra-low temperature coefficient of 8ppm/°C, ensuring minimal drift over temperature variations. Operating from an input voltage range of 4.7V to 18V, it consumes a modest 1.2mA supply current while providing up to 10mA output current, making it suitable for power-sensitive designs.

REF5045AID Features

• Ultra-Low Noise: 13.5µVpp/V noise performance (0.1Hz to 10Hz) for precision signal conditioning.
• High Accuracy: ±0.1% initial tolerance and 8ppm/°C tempco for reliable voltage referencing.
• Wide Input Range: Supports 4.7V to 18V, accommodating diverse power supplies.
• Low Power Consumption: 1.2mA supply current minimizes energy usage in battery-operated systems.
• Robust Packaging: Surface-mount 8-SOIC with MSL 2 (1 Year) moisture sensitivity, ensuring durability.
• Compliance: ROHS3 Compliant and REACH Unaffected, meeting environmental standards.

REF5045AID Applications

• Precision Data Acquisition: Ideal for ADCs, DACs, and sensor interfaces requiring stable voltage references.
• Industrial Control Systems: Ensures accuracy in PLC analog I/O modules and process instrumentation.
• Medical Electronics: Suitable for patient monitoring equipment due to low noise and high stability.
• Portable Devices: Low power consumption makes it perfect for battery-powered meters and handheld test gear.
• Automotive Electronics: Reliable performance in ECUs and infotainment systems under varying temperatures.

Conclusion of REF5045AID

The REF5045AID stands out as a high-performance voltage reference with superior noise immunity, accuracy, and thermal stability. Its wide input range, low power draw, and robust packaging make it an excellent choice for precision applications across industrial, medical, automotive, and portable electronics. For engineers seeking a reliable, low-drift reference in a compact form factor, the REF5045AID delivers unmatched performance in its class.