REF3240AIDBVRG4

Overview

The REF3240AIDBVRG4 is a precision series voltage reference IC manufactured by Texas Instruments. It provides a fixed output voltage of 4.096V with an initial accuracy tolerance of ±0.2%. The device operates within an input voltage range of 4.146V to 5.5V and delivers a maximum output current of 10 mA. It features a low temperature coefficient of 20 ppm/°C and consumes a supply current of 135 µA. The component is housed in a SOT-23-6 surface-mount package and supports an operating temperature range from -40°C to +125°C.

Feature Summary

• Provides a stable, fixed 4.096V output suitable for high-precision analog circuits
• Ensures long-term stability and low drift with a temperature coefficient of 20 ppm/°C
• Delivers up to 10 mA load current while maintaining low power consumption
• Offers tight initial accuracy of ±0.2% for enhanced measurement reliability

Applications

• Analog-to-digital converter (ADC) reference sources
• Digital-to-analog converter (DAC) voltage references
• Precision sensor signal conditioning circuits
• Battery-powered instrumentation requiring low quiescent current

Procurement Notes

Verify the complete part number including the G4 suffix to confirm RoHS compliance and lead-free status. Confirm the DBVR package variant matches the required PCB footprint. Check the specific grade designation if tighter accuracy or lower noise specifications are required for the design. Ensure input voltage remains within the specified 4.146V to 5.5V range during operation.

Selection Notes

Select this component when a fixed 4.096V reference is needed with high accuracy and low temperature drift. It is suitable for designs requiring rail-to-rail compatibility or single-supply operation. Consider the 135 µA supply current for battery life calculations. Verify that the SOT-23-6 package fits the thermal and spatial constraints of the application board.

Part Context

This device belongs to the REF32xx family of precision voltage references from Texas Instruments. It shares architectural similarities with other members like the REF3233 and REF3240 variants but offers a specific 4.096V output. The G4 suffix indicates it meets Green/RoHS standards. It serves as a drop-in replacement for older non-RoHS versions in existing designs.

Replacement Considerations

The REF3240AIDBVT is a compatible alternative with identical electrical characteristics but may differ in packaging or manufacturing lot details. Verify pinout compatibility before substitution. Other REF32xx series parts offer different output voltages and should be evaluated based on specific circuit requirements.