LT1004IS8-1.2#TRPBF

Voltage Reference Overview

The LT1004IS8-1.2#TRPBF is a micropower voltage reference featuring a 2-terminal bandgap architecture in an 8-lead plastic SO package. It provides a nominal reverse breakdown voltage of 1.23V with guaranteed ±4mV initial accuracy and a temperature coefficient of 20ppm/°C. The device operates at a minimum current of 10µA, supports up to 20mA operating current, and maintains low dynamic impedance. It functions within a temperature range of –40°C to +85°C.

Voltage Reference Feature Summary

• Guaranteed high precision with ±4mV initial accuracy for the LT1004-1.2 variant
• Optimized for extremely low power consumption with a guaranteed 10µA operating current
• Provides excellent thermal stability with a guaranteed 20ppm/°C average temperature coefficient
• Features very low dynamic impedance for stable performance under varying load conditions

Voltage Reference Applications

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

Voltage Reference Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing components. Confirm that the IS8 designation corresponds to the industrial temperature range and SOIC-8 package format required by your design specifications. Ensure compatibility with lead-free manufacturing processes as indicated by the PBF marking convention.

Voltage Reference Selection Notes

Select this component when system constraints demand minimal quiescent current alongside high accuracy. It serves as a pin-for-pin replacement for LM185/LM385 series references while offering superior accuracy without increased power dissipation. Consider the 2-terminal configuration for simplified circuit layouts compared to adjustable shunt references.

Voltage Reference Part Context

This part belongs to the LT1004 family of micropower voltage references manufactured by Analog Devices. The family includes variants with different output voltages (1.2V and 2.5V) and temperature grades (Commercial, Industrial, Military). The IS8 variant specifically targets industrial applications requiring robust performance across a wide temperature span.

Voltage Reference Replacement Considerations

LT1004CS8-1.2#TRPBF

Voltage Reference FAQ

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

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

Does the LT1004 support shutdown functionality?

No, the LT1004 is a 2-terminal device without a dedicated shutdown pin; it operates continuously once biased above its minimum current requirement.