ON Semiconductor KA393D Dual Differential Comparator

The ON Semiconductor KA393D is a precision voltage comparator that features two independent differential comparators, each designed to operate from a single power supply over a wide range of voltages. This component is widely used in electronic applications where precise voltage comparisons are required, such as in control systems, alarm systems, and signal processing devices.

Key Features:

• Wide Supply Range: The KA393D can operate from a single supply voltage ranging from 2V to 36V, or dual supplies of ±1V to ±18V, making it versatile for various circuit designs.
• Low Supply Current Drain: It is suitable for battery-powered devices due to its low supply current drain, independent of the supply voltage, typically 0.4 mA.
• Low Input Biasing Current: The input biasing current is also low, which enhances the overall accuracy of the component in precision applications.
• Low Input Offset Voltage: The KA393D has a low input offset voltage, which contributes to a reliable and stable operation in closed-loop systems.
• Input Common-Mode Voltage Range: It includes ground in the common-mode voltage range, allowing direct sensing near ground.
• Differential Input Voltage Range: Equal to the power supply voltage, providing flexibility in various applications.
• Output Compatibility: The output can be connected to other voltages within the power supply range, and it is compatible with TTL, MOS, and CMOS logic systems.

Applications:

The ON Semiconductor KA393D is ideal for a range of applications, including:

• Limit comparators
• Simple analog-to-digital converters (ADCs)
• Voltage monitoring
• Window detectors
• Waveform generators
• DC motor control
• IR receivers

With its precise comparison capabilities and robust design, the KA393D is a reliable choice for designers seeking a high-quality dual differential comparator. Its versatility and low power consumption make it an excellent selection for both portable and stationary applications where efficient power usage is critical.