LT581KH

Voltage Reference Overview

The LT581KH is a precision voltage reference integrated circuit manufactured by Analog Devices Inc. It provides a fixed nominal output voltage of 10V with an initial accuracy of ±0.1%. The device utilizes a series topology and is housed in a TO-39 metal can package with three pins, designed for through-hole installation. Key electrical specifications include a maximum input voltage of 40 V, a maximum output current of 10mA, line regulation of 0.005 %/V, and load regulation of 500 μV/mA. The component operates within a temperature range of 0°C to +70 °C and measures 9.4 x 9.4 x 4.7mm.

Voltage Reference Feature Summary

• Provides a stable 10V fixed reference voltage with high initial precision
• Utilizes series topology for reliable voltage regulation
• Housed in a durable TO-39 metal can package suitable for harsh environments

Voltage Reference Applications

• Precision analog-to-digital converter (ADC) reference sources
• High-accuracy data acquisition systems
• Calibration equipment requiring stable voltage standards

Voltage Reference Procurement Notes

Verify the exact part number suffix against official Analog Devices documentation, as variations may exist. Confirm the manufacturing source is authorized, given the component's status. Check for obsolescence notices or lifecycle changes before procurement. Ensure the TO-39 package compatibility matches your PCB or chassis design requirements. Validate that the specified operating temperature range meets your application's environmental conditions.

Voltage Reference Selection Notes

Select this component when a fixed 10V reference is required with tight initial accuracy tolerances. Consider the TO-39 package if hermetic sealing or mechanical robustness is necessary. Evaluate the 10mA output current capability against your load requirements. Ensure the input voltage does not exceed the 40V maximum limit. Compare line and load regulation specs against system stability needs.

Voltage Reference Part Context

The LT581KH belongs to the family of precision voltage references offered by Analog Devices. It serves as a critical component in systems demanding high stability and low drift. The TO-39 package indicates its suitability for industrial and military applications where reliability is paramount. It complements other ADI signal chain products by providing a clean, accurate reference potential.

Voltage Reference Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Analog Devices official resources for cross-reference information.