NJM12901D1

Comparators Overview

The NJM12901D1 is a single-supply quad voltage comparator manufactured by Nisshinbo Micro Devices Inc. It operates within a supply voltage range of +2V to +14V and features an open collector output type. The device utilizes bipolar technology with a Darlington PNP input stage, enabling signal comparison relative to ground. Key electrical characteristics include a maximum input offset voltage of 4mV, a typical response time of 500ns, and an operating current of up to 1.8mA. It supports an output sink current of 10mA and functions across a temperature range of -40°C to +85°C.

Comparators Feature Summary

• Features a Darlington PNP input stage that allows direct comparison of input signals against ground (0V).
• Provides open collector outputs suitable for interfacing with various logic families.
• Designed for low power consumption with minimal input bias current requirements.

Comparators Applications

• General-purpose signal comparison circuits
• Voltage level detection systems
• Threshold sensing applications

Comparators Procurement Notes

Verify the specific package designation associated with the D1 suffix against official manufacturer documentation before procurement. Confirm that the component meets required environmental standards such as RoHS compliance for the intended application region. Ensure compatibility with the target PCB footprint and soldering profile during integration planning.

Comparators Selection Notes

Select this component when a quad comparator with single-supply operation is required. The device is appropriate for designs needing low input offset voltage and ground-referenced input capability. Consider the open collector output structure for necessary pull-up resistor implementation in the circuit design.

Comparators Part Context

This part belongs to the NJM12901 series of analog comparators produced by Nisshinbo Micro Devices Inc. The series includes variants available in different package outlines such as DIP14, DMP14, EMP14, and SSOP14. These components are categorized under linear integrated circuits specifically designed for general-purpose voltage comparison tasks.

Comparators Replacement Considerations

Consult official substitution lists from Nisshinbo Micro Devices Inc. for verified compatible alternatives. Do not assume pin-to-pin compatibility with other quad comparators without verifying electrical parameters and package dimensions.

Comparators FAQ

What is the input common mode voltage range?

The input common mode voltage range extends from 0V to 3.5V.

Does the device support dual supply operation?

The datasheet specifies the NJM12901 as a single-supply quad comparator.