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LM2901N/NOPB

TILM2901N/NOPB

Texas Instruments
Lower-power quad comparator with similar functionality and wide supply range; good if you need reduced quiescent current.
Active2,985 in stock
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Overview

The LM2901N/NOPB is a quad general-purpose comparator featuring an open-collector output. It is designed for a wide range of applications, operating from a single supply voltage of 2V to 36V or a dual supply. This comparator offers reduced power consumption, making it suitable for battery-operated systems.

Why Choose This Part

Engineers choose the LM2901N/NOPB for its low power consumption, which is critical for extending battery life in portable applications. Its wide supply voltage range from 2V to 36V provides significant design flexibility, allowing it to integrate into various systems. The open-collector output is compatible with different logic families and enables direct interfacing with microcontrollers or other digital circuits.

Applications

Battery-Powered Devices
The low quiescent current consumption of 0.8mA at V+ = 28VDC makes it ideal for portable and battery-operated electronics where power efficiency is critical.
General-Purpose Voltage Comparison
Suitable for a wide variety of tasks requiring voltage level detection due to its broad supply range and compatibility with all forms of logic.
Industrial Control Systems
Its robust operating temperature range of -40C to 85C and ability to sense near ground make it useful in industrial environments for threshold detection.
Sensor Interface
Can be used to convert analog sensor outputs into digital signals by comparing the sensor voltage against a reference threshold.
Square Wave Oscillators
The LM2901N/NOPB can be configured with external components to create simple square wave or relaxation oscillators.

Key Specifications

Type Standard (General Purpose)
Output Type Open-Collector
Mounting Type Through Hole
Package / Case 14-DIP (0.300", 7.62mm)
Number of Elements 4
Operating Temperature -40degC ~ 85degC
Current - Output (Typ) 16mA @ 5V
Supplier Device Package 14-PDIP
Current - Quiescent (Max) 2.5mA
Current - Input Bias (Max) 0.25uA @ 5V
Voltage - Input Offset (Max) 7mV @ 30V
Voltage - Supply, Single/Dual (+/-) 2V ~ 36V, +/-1V ~ 18V

Getting Started

To get started with the LM2901N/NOPB, a breadboard or prototyping board is recommended. Connect the power supply within the 2V to 36V range and provide input signals to the comparator inputs. Observe the open-collector output, typically pulled up with a resistor to a suitable logic voltage, using an oscilloscope or multimeter to verify its behavior.

LM2901 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Package Temp Range Current - Output (Typ) Voltage - Input Offset (Max) Voltage - Supply, Single/Dual (+/-) Stock
LM2901N/NOPB (this part) DIP-14 -40degC ~ 85degC 16mA 7mV 2V 2,985
LM2901DR SOIC-14 -40degC ~ 125degC 20mA 7mV 2V 15,658
LM2901N DIP-14 -40degC ~ 125degC 20mA 7mV 2V 3,613
LM2901QPWRQ1 TSSOP-14 -40degC ~ 125degC 20mA 7mV 2V 4,750
Also available as: LM2901D/NOPB

Also Consider

LM339N/NOPB TITexas Instruments - This is a pin-compatible quad comparator with similar characteristics, offering a widely available alternative.
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