LT1634BCS8-2.5#TRPBF

Voltage Reference Overview

The LT1634BCS8-2.5#TRPBF is a micropower precision shunt voltage reference manufactured by Analog Devices Inc., featuring a fixed 2.5V output. It utilizes trimmed precision thin film resistors to achieve an initial voltage accuracy of ±0.05% and a maximum temperature drift of 25ppm/°C within the commercial operating range of 0°C to 70°C. The device operates with a low current consumption of 10µA and exhibits less than 1Ω dynamic impedance, ensuring stability with capacitive loads without requiring external compensation capacitors.

Voltage Reference Feature Summary

• Achieves high precision through bandgap reference technology utilizing trimmed precision thin film resistors for stable voltage regulation.
• Provides excellent thermal stability with guaranteed low temperature drift characteristics across specified operating ranges.
• Operates at micropower levels while maintaining low dynamic impedance for reliable performance from unregulated supplies.

Voltage Reference Applications

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

Voltage Reference Procurement Notes

Verify that the specific suffix #TRPBF corresponds to the tape and reel packaging format required for automated assembly processes. Confirm the BC grade designation aligns with the necessary commercial temperature range specifications for your application environment before finalizing procurement orders.

Voltage Reference Selection Notes

Select this component when a precise shunt reference is needed with minimal power consumption. Ensure the circuit design accommodates the reverse breakdown configuration and provides adequate bias current above the minimum operating threshold to maintain regulation stability under all expected load conditions.

Voltage Reference Part Context

This part belongs to the LT1634 family of micropower precision shunt voltage references. It serves as a direct high-performance upgrade for legacy components like the LM185, LM385, LT1004, and LT1034, offering superior power efficiency and guaranteed temperature drift performance in a compact surface-mount package.

Voltage Reference Replacement Considerations

LT1634BCS8-2.5#PBF (Tube Packaging)

Voltage Reference FAQ

Does the LT1634 require an output compensation capacitor?

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

What is the initial voltage accuracy of the LT1634BCS8-2.5?

The LT1634 achieves an initial voltage accuracy of 0.05% due to the use of trimmed precision thin film resistors in its bandgap reference design.