LT1004CS8-1.2#PBF

Voltage Reference Overview

The LT1004CS8-1.2#PBF is a micropower voltage reference IC manufactured by Analog Devices Inc., featuring an 8-Lead Plastic SO package and operating within a temperature range of 0°C to 70°C. It provides a fixed reverse breakdown voltage of 1.235V maximum at a typical current of 100µA, with guaranteed initial accuracy of ±4mV for the -1.2 variant. The device operates with a minimum current of 10µA and supports up to 20mA, exhibiting a temperature coefficient of 20ppm/°C and low dynamic impedance.

Voltage Reference Feature Summary

• Guaranteed high initial accuracy specifications previously attainable only with selected units
• Designed for excellent temperature characteristics at very low operating currents
• Features very low dynamic impedance for stable performance
• Pin-for-pin replacement for LM185/LM385 series references

Voltage Reference Applications

• Portable meter references
• Micropower cold junction compensation for thermocouples
• Battery-operated systems
• Current loop instrumentation

Voltage Reference Procurement Notes

Verify that the specific suffix CS8 corresponds to the commercial temperature range (0°C to 70°C) and the S8 plastic SOIC package configuration. Confirm the -1.2 designation matches the required 1.2V nominal output level. Ensure compliance with RoHS directives as indicated by the #PBF lead-free finish marking on the component.

Voltage Reference Selection Notes

Select this component when system design requires a two-terminal bandgap reference diode optimized for minimal power consumption without sacrificing precision. It serves as a direct upgrade over legacy LM185/LM385 parts where tighter accuracy limits are necessary. Consider the 10µA minimum operating current constraint for battery life calculations in portable applications.

Voltage Reference Part Context

This part belongs to the LT1004 family of micropower voltage references designed to provide high accuracy and excellent temperature stability. The LT1004 series offers improved accuracy specifications compared to older industry standards while maintaining extremely low quiescent current requirements suitable for energy-constrained environments.

Voltage Reference Replacement Considerations

LT1004CS8-2.5#PBF

Voltage Reference FAQ

What is the guaranteed initial accuracy for the LT1004-1.2 variant?

The LT1004-1.2 variant features a guaranteed initial accuracy of ±4mV.

How does the LT1004 compare to the LM185/LM385 series?

The LT1004 acts as a pin-for-pin replacement for the LM185/LM385 series but provides improved accuracy specifications.