Texas Instruments

LM239AQDREP

LM239AQDREP Description

The LM239AQDREP from Texas Instruments is a high-performance, quad differential comparator designed for general-purpose applications. Housed in a 14-SOIC package and delivered in Tape & Reel (TR), this device operates over a wide supply voltage range of 2V to 36V (single supply) or ±1V to ±18V (dual supply), making it versatile for various circuit designs. With a low input offset voltage of 2.5mV (max) at 30V and minimal input bias current of 0.25µA (max) at 5V, it ensures precision in signal comparison tasks. The LM239AQDREP is RoHS3 compliant and REACH unaffected, meeting stringent environmental standards while maintaining robust performance.

LM239AQDREP Features

• Quad Comparator Configuration: Four independent comparators in a single package, reducing board space and cost.
• Wide Voltage Range: Supports 2V–36V (single) or ±1V–±18V (dual), ideal for mixed-voltage systems.
• Low Power Consumption: Quiescent current ≤2mA, suitable for battery-powered applications.
• High Output Drive: 20mA output current enables direct interfacing with logic circuits or small relays.
• Low Input Offset: 2.5mV max ensures accurate comparisons in precision circuits.
• Robust Packaging: 14-SOIC with MSL1 (Unlimited) moisture sensitivity, ensuring reliability in storage and assembly.
• Industrial Compliance: EAR99 and RoHS3 certified, suitable for global export and eco-conscious designs.

LM239AQDREP Applications

• Voltage Monitoring: Over/under-voltage detection in power supplies or battery management systems.
• Signal Conditioning: Window comparators for sensor interfaces (e.g., temperature, light).
• Motor Control: Zero-crossing detection or PWM generation in industrial drives.
• Automotive Systems: Fault detection in 12V/24V automotive electronics due to wide voltage tolerance.
• Consumer Electronics: Threshold detection in audio equipment or display controllers.

Conclusion of LM239AQDREP

The LM239AQDREP stands out for its combination of precision, low power, and rugged design, making it a top choice for engineers needing reliable comparators in space-constrained or power-sensitive applications. Its wide supply range, high output drive, and industrial-grade compliance ensure adaptability across automotive, industrial, and consumer markets. For designs demanding multiple comparators with minimal footprint and high accuracy, this device delivers exceptional value.