LT1019ACN8-5#PBF

Voltage Reference Overview

The LT1019ACN8-5#PBF is a precision shunt voltage reference from Analog Devices, housed in an 8-pin PDIP package. It provides a fixed 5 V output with an initial accuracy of 0.05% and a temperature coefficient of 5 PPM/°C. The device operates within a supply voltage range of 6.5 V to 40 V, drawing a maximum supply current of 1.3 mA. It requires a minimum cathode current of 800 µA for regulation and supports a maximum load current of 10 mA. The component functions reliably across a temperature range of 0°C to +70°C.

Voltage Reference Feature Summary

• Delivers high-precision voltage regulation with ultra-low temperature drift characteristics
• Provides stable fixed output voltage suitable for demanding analog circuit applications
• Operates efficiently with low quiescent current consumption

Voltage Reference Applications

• High-resolution data acquisition systems
• Precision measurement instrumentation
• Calibration equipment requiring stable reference sources

Voltage Reference Procurement Notes

Verify the specific AC grade suffix ensures the required 0.05% accuracy and 5 PPM/°C performance for your design. Confirm the PDIP-8 through-hole package matches your PCB layout constraints. Ensure input voltage remains above 6.5 V to maintain proper regulation under all operating conditions.

Voltage Reference Selection Notes

Select this part when superior long-term stability and minimal thermal drift are critical compared to standard references. The AC grade offers tighter tolerances than the C grade. Consider the PDIP package for prototyping or manual assembly needs where surface mount options are unsuitable.

Voltage Reference Part Context

This component belongs to the LT1019 series of bandgap voltage references. It serves as a high-performance alternative to older Zener-based references, offering significantly better noise performance and temperature stability. The family includes various output voltages and packaging options to support diverse industrial and commercial electronic designs.

Voltage Reference Replacement Considerations

LT1019CN8-5#PBF (lower accuracy grade)

Voltage Reference FAQ

What is the minimum operating voltage for the LT1019ACN8-5#PBF?

The device requires a minimum input voltage of 6.5 V to ensure proper regulation and stable operation.

How does the AC grade differ from the C grade?

The AC grade specifies a tighter initial accuracy of 0.05% and a lower temperature coefficient of 5 PPM/°C compared to the standard C grade specifications.