LM2901FV-E2

Overview

The LM2901FV-E2 is a four-channel analog comparator manufactured by ROHM Semiconductor, housed in an SSOP-14 surface-mount package. It operates on a single power supply ranging from 3 V to 32 V with a typical quiescent current of 1.2 mA. The device features open-collector outputs capable of sourcing 16 mA per channel. Key electrical specifications include a maximum input offset voltage of 4.5 mV, an input bias current of 250 nA, and a response time of 1 µs. It supports ground-sense inputs and outputs, functioning within a temperature range of -40°C to +125°C.

Feature Summary

• Four independent general-purpose comparator circuits integrated into a single chip
• Ground-sense capability allowing input and output signals to operate near the ground potential
• Wide operating supply voltage range supporting both single and dual power configurations
• Open-collector output structure facilitating flexible logic interface connections

Applications

• General purpose signal comparison in industrial control systems
• Voltage level detection in battery-powered devices
• Over-voltage or under-voltage protection circuits
• Threshold sensing in automotive non-critical applications

Procurement Notes

Verify the specific suffix E2 against the manufacturer's latest datasheet to confirm pinout compatibility and RoHS status. Confirm that the SSOP-14 package dimensions match the target PCB footprint requirements. Ensure the application does not require automotive qualification, as this standard-grade part is not recommended for such use. Check for any obsolescence notices or lifecycle changes before finalizing procurement plans.

Selection Notes

Select this component when multiple low-cost comparators are needed in a compact surface-mount form factor. It is suitable for designs requiring ground-referenced signal processing without rail-to-rail output swing constraints. Consider alternative parts if higher speed or lower offset voltage is required, as this device prioritizes low cost and wide voltage tolerance over precision performance metrics.

Part Context

This part belongs to the LM2901 series of ground-sense comparators from ROHM Semiconductor. It serves as a standard-grade solution for general electronic applications where automotive reliability standards are not mandated. The device offers a balance of performance and cost-effectiveness for mass-produced consumer and industrial electronics requiring multi-channel voltage monitoring.

Replacement Considerations

The LM2901FJ-E2 is listed as a manufacturer-recommended substitute, though it utilizes a different SOPJ package. Verify pinout compatibility and thermal characteristics when transitioning between these packages. No other direct cross-reference equivalents are confirmed in the provided documentation.