LM393DGKR

The LM393DGKR is a dual comparator integrated circuit (IC) manufactured by ROHM Semiconductor. It is designed for a variety of applications, including signal conditioning, level detection, and voltage comparison. Here’s a detailed description of its features and specifications:

General Features:

• Dual Comparator: The LM393 contains two independent, high-gain, frequency-compensated comparators. This allows for simultaneous comparison of two different input signals.
• Low Power Consumption: The device is designed to operate with low power, making it suitable for battery-powered applications.
• Wide Supply Voltage Range: The LM393 can operate over a wide range of supply voltages, typically from 2V to 36V, which provides flexibility in various circuit designs.
• Open-Collector Output: The output of the comparators is open-collector, allowing for easy interfacing with different voltage levels and enabling wired-AND configurations.

Electrical Characteristics:

• Input Voltage Range: The input voltage range is typically from 0V to the supply voltage, allowing for a wide range of input signal levels.
• Input Offset Voltage: The input offset voltage is low, typically around 2mV, which enhances the accuracy of the comparisons.
• Output Voltage Swing: The output can swing close to the ground level when pulled low, making it suitable for digital logic interfacing.
• Propagation Delay: The propagation delay is relatively low, ensuring fast response times for applications requiring quick signal processing.

Package Information:

• Package Type: The LM393DGKR is available in a surface-mount package (SOP-8), which is compact and suitable for modern PCB designs.
• Thermal Characteristics: The package is designed to dissipate heat effectively, ensuring reliable operation under various thermal conditions.

Applications:

• Voltage Level Detection: The LM393 can be used to detect when a voltage level crosses a certain threshold, making it useful in battery monitoring and over-voltage protection circuits.
• Signal Conditioning: It can be employed in signal conditioning applications where analog signals need to be converted to digital signals for further processing.
• Oscillator Circuits: The device can be used in oscillator circuits to create square waves or pulse-width modulation (PWM) signals.

Conclusion:

The LM393DGKR from ROHM Semiconductor is a versatile and reliable dual comparator IC that offers a combination of low power consumption, wide supply voltage range, and open-collector outputs. Its features make it suitable for a variety of applications in both consumer and industrial electronics. Whether used in simple voltage comparison tasks or more complex signal processing circuits, the LM393DGKR is a valuable component for engineers and designers.