LT1017IN8#PBF

Overview

The LT1017IN8#PBF is a micropower dual comparator manufactured by Analog Devices Inc. It operates from a single supply voltage ranging from 1.1V to 40V. The device features an internal class B pull-up current source, eliminating the need for external resistive pull-ups. Key electrical specifications include a maximum offset voltage of 1mV and a maximum bias current of 15nA. Typical output drive capability is 70mA. Supply current is specified at 30μA. The component is housed in an 8-lead PDIP package.

Feature Summary

• Optimized for lowest operating power consumption within the micropower comparator family
• Internal Class B pull-up current source removes requirement for external resistive components
• Output stage capable of driving loads connected to a supply more positive than the device supply
• On-chip trimming minimizes offset voltage while maintaining high gain and common mode rejection

Applications

• Power supply monitors
• Relay driving circuits
• Oscillators

Procurement Notes

Verify the specific ordering suffix #PBF indicates lead-free compliance status as defined by the manufacturer. Confirm the N8 package designation corresponds to the 8-lead Plastic Dual In-Line Package. Ensure the I temperature grade matches the required operational range of -40°C to +85°C for the target application environment.

Selection Notes

Select this component when low quiescent current is critical compared to the higher speed LT1018 variant. Verify that the 70mA typical output drive meets load requirements. Consider the pin compatibility with older 393 type devices if replacing legacy designs. Ensure the input common mode range including ground satisfies signal conditioning needs.

Part Context

This part belongs to the LT1017/LT1018 series of general purpose micropower comparators. The LT1017 variant is specifically optimized for minimum power usage, distinguishing it from the LT1018 which offers higher speed at increased power consumption. Both share identical pinouts and functional architectures suitable for direct replacement in existing designs.

Replacement Considerations

The datasheet confirms pin compatibility with older dual comparators such as 393 type devices.