The LM2901DG is a quad voltage comparator integrated circuit (IC) that provides low-power, high-gain amplification and voltage level detection. It is commonly used in a wide range of applications such as analog and digital signals comparison, voltage level shifting, drive or relay control circuits, and motor control systems.
One of the key features of the LM2901DG is its wide supply voltage range, which enables operation from a single power supply ranging from 2 volts to 36 volts. This wide operating voltage range makes it suitable for various power supply configurations. Additionally, its low supply current requirement of typically 250 microamperes makes it energy efficient, allowing for battery-powered applications.
The LM2901DG has four independent comparators on a single chip, each with complementary outputs. It compares two voltage inputs and produces a logic-level output based on the comparison result. A notable advantage is its open collector outputs, which provide flexibility to interface with a wide range of digital or analog circuitry.
Another significant feature of the LM2901DG is its versatile input range. The inputs can accept a wide range of voltages, including ground potential, as well as differential input voltages, making it adaptable to different signal requirements. Furthermore, it features internal hysteresis, which helps in reducing output oscillations or noise resulting from a noisy input signal.
To ensure reliable operation, the LM2901DG offers protection against output short circuits
