LM339D

The LM339D is a versatile voltage comparator integrated circuit from ON Semiconductor, designed for general-purpose applications. It features four independent comparators within a single package, enabling efficient use in various electronic designs. This IC operates with a wide power supply spectrum, from +2V to +36V or ±1V to ±18V, and consumes a modest supply current of 1.1 mA, making it suitable for battery-powered devices and remote sensors.

The LM339D boasts low input bias and offset currents, which enhance measurement precision in analog tasks. Its common-mode voltage range extends down to ground, providing flexibility in circuit design. The open-collector outputs facilitate straightforward interaction with logic circuits, allowing for smooth adaptation to various digital systems. The device is housed in a 14-SOIC package and is designed for surface mounting.

Key specifications include a supply voltage range of 2V to 36V, a typical supply current of 1.1 mA, and an operating temperature range of 0°C to 70°C. The output type supports CMOS, DTL, ECL, MOS, Open-Collector, and TTL logic families. With its four independent elements, the LM339D is a reliable choice for applications requiring precise voltage level detection and comparison.