TILM2901DR
Overview
The LM2901DR is a general-purpose quad differential comparator designed to operate from a single power supply over a wide range of voltages from 3V to 36V. It features four independent voltage comparators with open-collector outputs, allowing for easy integration in logic systems and level-shifting applications. This variant is specifically rated for an extended industrial temperature range of -40 to 125 degrees Celsius.
Why Choose This Part
The device offers a high maximum operating voltage of 36V and a low quiescent current of 1.6mA (typical at 36V), making it suitable for high-voltage industrial rails. Its open-collector architecture provides flexibility in wired-OR connections and multi-voltage logic interfacing.
Applications
Key Specifications
Getting Started
To use the LM2901DR, provide a supply voltage between 3V and 36V and connect the open-collector output to a pull-up resistor. Since this is a standard 14-SOIC package, it can be prototyped using a SOIC-to-DIP adapter board or integrated directly into a PCB layout following the standard quad-comparator pinout.
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 |
|---|---|---|---|---|---|---|
| LM2901DR (this part) | SOIC-14 | -40degC ~ 125degC | 20mA | 7mV | 2V | 15,658 |
| LM2901N/NOPB | DIP-14 | -40degC ~ 85degC | 16mA | 7mV | 2V | 2,985 |
| LM2901N | DIP-14 | -40degC ~ 125degC | 20mA | 7mV | 2V | 3,613 |
| LM2901QPWRQ1 | TSSOP-14 | -40degC ~ 125degC | 20mA | 7mV | 2V | 4,750 |



