LT1634BIS8-2.5

Voltage Reference Overview

The LT1634BIS8-2.5#TR is a micropower precision shunt voltage reference manufactured by Analog Devices Inc., housed in an 8-lead plastic SOIC package. It provides a nominal output voltage of 2.5V with an initial accuracy of ±0.05%. The device operates within the industrial temperature range of –40°C to +85°C and features a maximum temperature coefficient of 25ppm/°C. It requires a minimum operating current of 8µA and exhibits low dynamic impedance, ensuring stability with capacitive loads without requiring external compensation.

Voltage Reference Feature Summary

• Utilizes trimmed precision thin film resistors for high initial voltage accuracy
• Operates at micropower levels with a minimum current requirement of 8µA
• Stable with capacitive loads and does not require output compensation capacitors
• Low dynamic impedance facilitates operation from unregulated supplies

Voltage Reference Applications

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

Voltage Reference Procurement Notes

Verify component authenticity through official manufacturer channels or authorized distributors. Confirm the specific suffix #TR indicates tape and reel packaging. Ensure the ordering code matches the required industrial temperature grade and package type. Check for RoHS compliance status as indicated in the product documentation before procurement.

Voltage Reference Selection Notes

Select this part when a precise 2.5V reference is needed in an 8-pin surface mount package. The industrial temperature range suits applications exposed to wider thermal variations. Compare against LM185/LM385 replacements where lower power consumption and guaranteed drift are critical requirements for the design.

Voltage Reference Part Context

This component belongs to the LT1634 family of micropower precision shunt voltage references. The series offers various output voltages including 1.25V, 4.096V, and 5V. It serves as a high-performance upgrade to older reference standards, providing improved curvature correction and lower operating currents compared to legacy devices.

Voltage Reference Replacement Considerations

LT1634BIS8-2.5#PBF (Same electrical specifications, different packaging format)

Voltage Reference FAQ

Does the LT1634BIS8-2.5 require an output compensation capacitor?

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

What is the maximum temperature coefficient for the LT1634BIS8-2.5?

The maximum temperature coefficient for the LT1634BIS8-2.5 is 25ppm/°C over the full operating temperature range.