REF3450IDBVR

Overview

The REF3450IDBVR is a precision series voltage reference integrated circuit manufactured by Texas Instruments. It provides a fixed output voltage of 5V with an initial accuracy tolerance of ±0.05%. The device operates within an input voltage range of 6V to 12V and draws a supply current of 95µA. It features a low temperature coefficient of 6ppm/°C and delivers an output current capability of 10mA. The component is housed in a compact SOT-23-6 surface-mount package and is rated for operation across an extended temperature range from -40°C to +125°C.

Feature Summary

• Delivers high-precision fixed voltage output with tight initial accuracy tolerance
• Maintains stable performance over wide operating temperature ranges
• Features low power consumption suitable for battery-operated systems
• Provides robust load regulation with specified output current drive

Applications

• Precision analog-to-digital converter (ADC) reference sources
• Data acquisition system signal conditioning
• Industrial process control instrumentation
• Medical equipment requiring stable voltage references

Procurement Notes

Verify the specific suffix IDBVR corresponds to the SOT-23-6 tape-and-reel packaging configuration required for automated assembly processes. Confirm that the AEC-Q100 qualification status aligns with automotive reliability standards if applicable, as this variant may differ from standard industrial grades. Ensure compatibility with RoHS3 directives for environmental compliance before finalizing procurement orders.

Selection Notes

Select this component when a 5V reference is required with superior long-term stability compared to lower-accuracy alternatives. The low noise characteristics make it suitable for sensitive measurement applications. Consider the input voltage headroom requirements, as the minimum operating voltage is 6V. Evaluate thermal management needs given the extended temperature rating and self-heating effects under load conditions.

Part Context

This part belongs to the REF34xx family of micropower voltage references designed for high-precision applications. It shares architectural similarities with other members like the REF3440 and REF3430, differing primarily in output voltage and specific electrical characteristics. The family targets industries demanding reliable performance in compact form factors without compromising accuracy or stability.

Replacement Considerations

• REF3450IDBVT

FAQ

What is the maximum output current capability of the REF3450IDBVR?

The device can source up to 10mA of output current while maintaining specified accuracy and regulation parameters.

Does the REF3450IDBVR meet automotive qualification standards?

Yes, the REF3450IDBVR is qualified according to the AEC-Q100 standard for automotive applications.