LT1019IS8-5#PBF

Voltage Reference Overview

The LT1019IS8-5#PBF is a precision shunt voltage reference manufactured by Analog Devices Inc., housed in an 8-pin SOIC surface-mount package. It delivers a fixed output voltage of 5 V with an initial accuracy of ±0.2% and a temperature coefficient of 20 ppm/°C. The device operates within a supply voltage range of 6.5 V to 40 V, requiring a minimum cathode current of 800 µA and supporting a maximum load current of 10 mA. Typical quiescent current is 650 µA, with a maximum of 1.5 mA. It functions reliably across an industrial temperature range from -40°C to +85°C.

Voltage Reference Feature Summary

• Provides stable 5 V reference via shunt architecture
• Ensures high precision with ±0.2% initial accuracy
• Operates efficiently with low typical supply current

Voltage Reference Applications

• Precision analog-to-digital converter (ADC) references
• Data acquisition systems requiring stable voltage sources
• Instrumentation circuits demanding low drift performance

Voltage Reference Procurement Notes

Verify the specific suffix IS8-5#PBF against official Analog Devices documentation to confirm the industrial temperature grade (-40°C to +85°C) and SOIC-8 package variant. Ensure input voltage remains above 6.5 V for proper regulation. Confirm RoHS compliance status through the manufacturer's latest product change notifications or datasheet revision history before finalizing procurement specifications.

Voltage Reference Selection Notes

Select this component when a fixed 5 V reference is required in space-constrained designs utilizing surface-mount technology. The LT1019 series offers robust performance for applications needing moderate current drive capability up to 10 mA. Consider the 20 ppm/°C temperature coefficient for environments with significant thermal variations. This part is suitable where initial accuracy tighter than 0.2% is not strictly necessary, offering a balance between cost and precision.

Voltage Reference Part Context

The LT1019 belongs to a family of precision shunt voltage references known for their stability and low noise characteristics. Unlike series regulators, shunt references operate by sinking current to ground, making them ideal for parallel configurations. The IS8-5#PBF variant specifically denotes the industrial temperature range and 5 V output version within the broader LT1019 lineup, which also includes other voltage options and commercial temperature grades.

Voltage Reference Replacement Considerations

LT1019CS8-5#PBF

Voltage Reference FAQ

What is the minimum operating current required for the LT1019IS8-5#PBF?

The device requires a minimum cathode current of 800 µA to maintain regulation.

Does the LT1019IS8-5#PBF include a shutdown feature?

No, the LT1019IS8-5#PBF does not have a shutdown pin or feature.