Is there a pin-compatible replacement for REF3425IDBVR?

No guaranteed pin-to-pin replacement has been verified. While ADR3425ARJZ-R2 uses the same SOT-23-6 package, its pinout and critical electrical differences require datasheet verification before considering it pin-compatible.

What risks should I check before replacing REF3425IDBVR?

First, verify the output voltage matches your design's requirement. Second, ensure the candidate's input voltage range is compatible with your system's power supply. Finally, always confirm the pinout from the datasheets is identical.

REF3425IDBVR Alternatives, Datasheet & Cross Reference | Texas Instruments

Finding a substitute for the REF3425IDBVR 2.5V voltage reference involves checking key parameters like output voltage, accuracy, and input voltage range. While several options exist in the same package, careful review is essential.

AI replacement insight

Electrical riskhigh

Mismatched input voltage or output voltage on all candidates.

Package risklow

All candidates use the same SOT-23-6 package, but pinout must be verified.

Can it be replaced directly?

No direct drop-in replacement was found. The closest candidate, ADR3425ARJZ-R2, has a critical input voltage limitation. Other parts from the same REF34xx family have different output voltages.

Best replacement path

ADR3425ARJZ-R2 offers the same 2.5V output but requires careful validation of its much lower input voltage range (max 5.5V) and pinout.

Main risk

The primary risk is electrical incompatibility, either from a different output voltage or a mismatched input voltage range.

Recommended alternatives

A family-series part with a 3.0V output; suitable if the application can use a different reference voltage.

View details

Alternative comparison matrix

Feature / factor	REF3425IDBVR	ADR3425ARJZ-R2	REF3430IDBVR	Compatibility / risk
Voltage	Up to 12 V	2.7 V to 5.5 V	3.0 V	2.7 V to 5.5 V / 3.0 V — Input voltage range is significantly narrower.; REF3430IDBVR: Output voltage is different.
Tcr	6 ppm/°C	2.5 PPM/C	6 ppm/°C	2.5 PPM/C / 6 ppm/°C — Temperature coefficient is better.; REF3430IDBVR: Temperature coefficient matches.
Current	95 µA	85 uA	-	85 uA — Quiescent current is lower.
Package	SOT-23-6	SOT-23-6	SOT-23-6	SOT-23-6 — Package matches, pinout requires verification.; REF3430IDBVR: Package matches.

Application & sourcing insights

Questions & answers

ADR3425ARJZ-R2 is a potential alternative with the same 2.5V output, but its maximum input voltage is only 5.5V, much lower than the target's 12V. It requires careful engineering review. Other REF34xx family parts offer different voltages (3.0V, 3.3V, etc.).