TPR3325-S3TR

Overview

The TPR3325-S3TR is a fixed-output voltage reference from the 3PEAK TPR33 family, providing a nominal output of 2.5 V in an SOT23G-3 package. It features high initial accuracy with a maximum tolerance of ±0.15% and a low temperature coefficient of 30 ppm/°C over the extended operating range of −40°C to +125°C. The device operates with a supply voltage between 2.1 V and 5.5 V, drawing a quiescent current of 180 μA. It exhibits an output noise of 50 μVpp (0.1 Hz to 10 Hz) and remains stable with capacitive loads ranging from 0.1 μF to 10 μF.

Feature Summary

• Guaranteed temperature stability across an extended industrial range of −40°C to +125°C
• High precision with maximum initial accuracy of ±0.15% and low temperature drift
• Low-noise performance suitable for sensitive analog signal chains
• Capacitive load stability supporting values from 0.1 μF to 10 μF

Applications

• Precision power supplies requiring stable reference voltages
• Data acquisition systems and instrumentation circuits
• Industrial control equipment and sensors

Procurement Notes

Verify the specific ordering suffix matches the required output voltage variant within the TPR33 family. Confirm that the SOT23G-3 package dimensions align with the target PCB footprint. Ensure compliance with RoHS and halogen-free requirements as defined by the manufacturer's green product standards before finalizing procurement specifications.

Selection Notes

Select this component when a fixed 2.5 V reference is required with tight initial accuracy and low temperature drift. Consider the 180 μA quiescent current for battery-powered applications. Verify that the input voltage range of 2.1 V to 5.5 V accommodates the system supply rails and that the capacitive load requirements fall within the specified 0.1 μF to 10 μF stability window.

Part Context

The TPR3325-S3TR belongs to the TPR33 series of commercial thin-film voltage references manufactured by 3PEAK. This family offers various fixed output voltages including 1.25 V, 2.048 V, 3 V, 3.3 V, and 4.096 V, all sharing similar electrical characteristics and packaged in the compact SOT23G-3 form factor for space-constrained designs.

Replacement Considerations

Compatible substitutes include other Vishay or Analog Devices voltage references with identical 2.5 V output, SOT23-3 packaging, and comparable accuracy specifications. Verify pinout compatibility and thermal resistance values to ensure direct replacement without circuit modification.

FAQ

What is the maximum capacitive load the TPR3325-S3TR can drive stably?

The device is guaranteed to be stable with capacitive loads ranging from 0.1 μF to 10 μF.

Does the TPR3325-S3TR support operation at temperatures below -40°C?

No, the specified operating temperature range for this component is −40°C to +125°C.

What is the typical output noise specification for the TPR3325-S3TR?

The output noise is specified as 50 μVpp measured in the frequency range of 0.1 Hz to 10 Hz.