LT1634BIS8-2.5#TRPBF

Voltage Reference Overview

The LT1634BIS8-2.5#TRPBF is a micropower precision shunt voltage reference manufactured by Analog Devices Inc., featuring a 2.5V output in an 8-lead SOIC package. It utilizes trimmed precision thin film resistors to achieve 0.05% initial voltage accuracy and a maximum temperature drift of 10ppm/°C. The device operates at a low current of 10µA with less than 1Ω dynamic impedance, ensuring stability with capacitive loads without requiring output compensation capacitors.

Voltage Reference Feature Summary

• Micropower precision shunt voltage reference utilizing bandgap technology
• Achieves high initial accuracy through trimmed precision thin film resistors
• Guarantees low temperature drift via improved curvature correction techniques
• Operates stably with capacitive loads without external compensation capacitors

Voltage Reference Applications

• Portable meters
• Precision regulators
• A/D and D/A converters
• Calibrators

Voltage Reference Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging and lead-free finish. Confirm the BIS8 designation corresponds to the industrial temperature range (-40°C to 85°C) and SOIC-8 package. Ensure compatibility with existing PCB footprints for the narrow 8-lead plastic small outline configuration before finalizing procurement orders.

Voltage Reference Selection Notes

Select this component when low power consumption and high precision are required in a shunt reference topology. The industrial temperature rating makes it suitable for environments with significant thermal variations. Consider its low dynamic impedance for applications involving unregulated supplies or varying load currents where stable reference performance is critical.

Voltage Reference Part Context

This part belongs to the LT1634 family of micropower precision shunt voltage references. It serves as a high-performance upgrade to older references like the LM185/LM385, LT1004, and LT1034, offering lower power consumption and guaranteed temperature drift characteristics while maintaining similar functional roles in precision analog circuits.

Voltage Reference Replacement Considerations

LT1634BIS8-2.5#TR

Voltage Reference FAQ

Does the LT1634 require an output compensation capacitor?

No, the LT1634 does not require an output compensation capacitor but remains stable with capacitive loads.

What technology is used to achieve the initial voltage accuracy?

The bandgap reference uses trimmed precision thin film resistors to achieve the specified initial voltage accuracy.