Texas Instruments

REF3125AIDBZRG4  

Voltage References

REF3125AIDBZRG4 Description

The REF3125AIDBZRG4 is a precision voltage reference IC from Texas Instruments, designed to provide a highly accurate and stable reference voltage for a variety of power management applications. This device features a fixed output voltage of 2.5V with a tight tolerance of ±0.2%, ensuring precise and reliable performance. The REF3125AIDBZRG4 operates with an input voltage range of 2.55V to 5.5V, making it suitable for a wide range of power supply conditions.

The device is housed in a compact SOT23-3 package, which is ideal for surface-mount applications, offering space-saving benefits for modern electronic designs. It has a low supply current of 135µA, which minimizes power consumption and is particularly advantageous in battery-operated or low-power systems. The REF3125AIDBZRG4 also boasts a low temperature coefficient of 20ppm/°C, ensuring minimal drift over a wide temperature range, and a low noise level of 48µVrms from 10Hz to 10kHz, which is critical for high-precision applications.

REF3125AIDBZRG4 Features

• Fixed Output Voltage: 2.5V with a tolerance of ±0.2%, providing high accuracy for precision applications.
• Low Temperature Coefficient: 20ppm/°C, ensuring stable performance across varying temperatures.
• Low Noise: 48µVrms from 10Hz to 10kHz, ideal for applications requiring high signal integrity.
• Low Supply Current: 135µA, minimizing power consumption and extending battery life in portable devices.
• Wide Input Voltage Range: 2.55V to 5.5V, offering flexibility in power supply design.
• Surface-Mount Package: SOT23-3, suitable for compact and high-density PCB layouts.
• Compliance: REACH Unaffected and ROHS3 Compliant, meeting environmental and safety standards.
• Moisture Sensitivity Level: MSL 1 (Unlimited), ensuring robustness during manufacturing processes.

REF3125AIDBZRG4 Applications

The REF3125AIDBZRG4 is well-suited for a variety of applications that demand high precision and stability. Its low noise and low temperature coefficient make it ideal for use in:

• Analog-to-Digital Converters (ADCs): Ensuring accurate and reliable conversion of analog signals to digital form.
• Digital-to-Analog Converters (DACs): Providing a stable reference for precise analog output.
• Power Management Circuits: Offering a reliable reference voltage for voltage regulators and power supplies.
• Precision Measurement Instruments: Enhancing the accuracy of measurements in devices such as voltmeters and ammeters.
• Battery-Powered Devices: Minimizing power consumption while maintaining high performance.

Conclusion of REF3125AIDBZRG4

The REF3125AIDBZRG4 from Texas Instruments is a high-performance voltage reference IC that stands out due to its precision, stability, and low power consumption. Its compact SOT23-3 package and wide input voltage range make it a versatile solution for a variety of power management applications. While the product is now obsolete, it remains a benchmark for precision and reliability in voltage reference design. For applications requiring high accuracy, low noise, and minimal power consumption, the REF3125AIDBZRG4 offers significant advantages over similar models.

REF3125AIDBZRG4 Documents

Download datasheets and manufacturer documentation for REF3125AIDBZRG4

PCN Assembly/Origin :

REF3yyy 13/Nov/2019      

Datasheets :

REF3112/20/25/30/33/40      

PCN Obsolescence/ EOL :

Mult Dev EOL 31/Aug/2023      

HTML Datasheet :

REF3112/20/25/30/33/40      

PCN Design/Specification :

Wire Chg 19/Mar/2016