Texas Instruments

REF3325AIDBZRG4  

Voltage References

REF3325AIDBZRG4 Description

The REF3325AIDBZRG4 is a precision voltage reference IC from Texas Instruments, designed for applications requiring high accuracy and stability. This device features a fixed output voltage of 2.5V with a tight tolerance of ±0.15%, ensuring precise voltage regulation. It operates within an input voltage range of 2.7V to 5.5V, making it suitable for a variety of power supply environments. The REF3325AIDBZRG4 is housed in a compact SOT23-3 package, ideal for surface-mount applications where space is a premium.

REF3325AIDBZRG4 Features

• Fixed Output Voltage: The REF3325AIDBZRG4 provides a stable 2.5V output voltage, which is highly accurate and reliable for precision applications.
• Low Tolerance: With a tolerance of ±0.15%, this voltage reference ensures minimal deviation from the nominal value, enhancing the precision of the systems it powers.
• Low Supply Current: The device consumes only 8.5µA of supply current, making it highly efficient and suitable for low-power applications.
• Low Temperature Coefficient: The temperature coefficient of30ppm/°C ensures minimal drift in output voltage over a wide temperature range, maintaining accuracy in varying environmental conditions.
• Surface-Mount Packaging: The SOT23-3 package is ideal for surface-mount technology (SMT), allowing for compact and reliable integration into modern electronic designs.
• Compliance and Status: The REF3325AIDBZRG4 is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards. However, it is important to note that this product is now obsolete, and engineers should consider this when designing new systems.

REF3325AIDBZRG4 Applications

The REF3325AIDBZRG4 is well-suited for a range of applications where precise voltage regulation is critical. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): The high accuracy and stability of the REF3325AIDBZRG4 make it an ideal reference voltage source for ADCs, ensuring accurate and reliable digital conversions.
• Digital-to-Analog Converters (DACs): In DAC applications, the REF3325AIDBZRG4 provides a stable reference voltage, enhancing the precision of analog output signals.
• Precision Measurement Equipment: Instruments requiring high-precision voltage references, such as laboratory equipment and test benches, benefit from the REF3325AIDBZRG4's accuracy and stability.
• Power Management Systems: The REF3325AIDBZRG4 can be used in power management integrated circuits (PMICs) to provide a stable reference voltage for voltage regulators and other power control components.

Conclusion of REF3325AIDBZRG4

The REF3325AIDBZRG4 from Texas Instruments is a high-performance voltage reference IC that offers exceptional accuracy and stability. Its low tolerance, low supply current, and low temperature coefficient make it a reliable choice for precision applications. The compact SOT23-3 package and surface-mount compatibility ensure it can be easily integrated into modern electronic designs. While the product is now obsolete, it remains a benchmark for precision voltage references and can still be considered for legacy systems or applications where its unique features are required. For new designs, engineers should explore alternative models that offer similar performance benefits and are currently in production.

REF3325AIDBZRG4 Documents

Download datasheets and manufacturer documentation for REF3325AIDBZRG4

EOL :

Product Discontinuance Notification (PDF)      

Images :

Mechanical Outline Drawing       Function Diagram      

Product Catalogs :

Precision Data Converter Companion Devices Selection Guide (Rev. B)      

Technical Resources :

REF3325 TINA-TI Reference Design (Rev. A)      

SPICE Models :

REF3325 TINA-TI Spice Model (Rev. A)       REF3325 PSpice Model (Rev. A)