TEXAS INSTRUMENTS LM393 Dual Comparator IC, SOIC-8 Package

The TEXAS INSTRUMENTS LM393 is a high-quality dual comparator integrated circuit, housed in a compact SOIC-8 (Small Outline Integrated Circuit) surface-mount package. This low-power device is engineered for a wide range of voltage and digital logic applications, offering reliable performance and versatility for professional electronic designs.

Featuring a fast 300 nanosecond response time, this comparator is suitable for applications requiring quick signal detection and switching. It operates across a broad supply voltage range of 2V to 36V, providing excellent flexibility for both low-voltage and higher-voltage circuit designs, including battery-powered systems. The output is compatible with CMOS, MOS, and TTL logic levels, ensuring easy integration into mixed-signal environments.

Applications

This comparator IC is a fundamental component in many electronic circuits. Its primary function is to compare two input voltages and produce a digital output indicating which is larger. This makes it indispensable for threshold detection, zero-crossing detection, level shifting, and waveform generation. It is commonly used in power supply monitoring, sensor interface circuits, analogue-to-digital converter (ADC) front-ends, and pulse-width modulation (PWM) controllers.

Specifications

• Package Type: SOIC-8 (Surface-Mount)
• Number of Comparators: 2 (Dual)
• Response Time: 300 ns
• Supply Voltage Range: 2V to 36V
• Output Type: CMOS, MOS, TTL compatible
• Operating Temperature Range: 0°C to +70°C
• Dimensions (Approx.): 15mm (Depth) x 33mm (Width) x 43mm (Height)
• Weight: 0.178 grams

With its robust design from a leading semiconductor manufacturer, the LM393 provides a dependable solution for precision voltage comparison tasks in consumer electronics, industrial controls, and automotive subsystems.