Texas Instruments

LM393APSR

LM393APSR Description

The LM393APSR is a high-performance, general-purpose comparator from Texas Instruments, designed for a wide range of applications requiring precise voltage level detection and comparison. With its dual comparator configuration, the LM393APSR offers flexibility and efficiency in various electronic systems. This surface-mount device operates over a wide supply voltage range of 2V to 36V (single) and ±1V to 18V (dual), making it suitable for diverse power supply environments. The LM393APSR is compliant with the RoHS3 directive and is classified as REACH unaffected, ensuring environmental compliance.

LM393APSR Features

• Dual Comparator Configuration: The LM393APSR features two independent comparators, providing the ability to perform two separate comparisons simultaneously, which can be beneficial in applications requiring multiple voltage threshold detections.
• Wide Supply Voltage Range: With a supply voltage range of 2V to 36V for single supplies and ±1V to 18V for dual supplies, the LM393APSR can be integrated into various systems with different power requirements.
• Low Power Consumption: The device has a typical output current of 20mA and a maximum quiescent current of 2.5mA, making it energy-efficient for battery-operated or power-sensitive applications.
• Low Input Bias Current: A maximum input bias current of 0.25µA @ 5V ensures minimal loading on the input signal source, preserving signal integrity.
• Low Input Offset Voltage: The maximum input offset voltage is 2mV @ 30V, which contributes to the comparator's high accuracy and reliability in making voltage comparisons.
• Operating Temperature Range: The LM393APSR operates within a temperature range of 0°C to 70°C, making it suitable for both indoor and outdoor applications.
• Moisture Sensitivity Level (MSL) 1: This indicates that the device can be stored and handled without special precautions regarding moisture, which simplifies logistics and handling processes.

LM393APSR Applications

The LM393APSR is ideal for various applications where accurate voltage level detection and comparison are required:

• Industrial Control Systems: For monitoring and controlling voltage levels in industrial machinery and processes.
• Sensor Signal Processing: In conjunction with sensors to provide precise threshold detection for environmental or process variables.
• Medical Equipment: For detecting and comparing voltage levels in medical devices, ensuring safety and accuracy.
• Automotive Electronics: In automotive systems for voltage monitoring and control, such as battery management and engine control units.
• Consumer Electronics: For voltage level detection in power supplies, battery chargers, and other consumer electronic devices.

Conclusion of LM393APSR

The LM393APSR from Texas Instruments stands out for its dual comparator capability, wide supply voltage range, and low power consumption, making it a versatile choice for a variety of applications. Its low input offset voltage and bias current ensure high accuracy and minimal signal loading, while its compliance with environmental regulations supports responsible manufacturing practices. With its robust performance and flexibility, the LM393APSR is a reliable component for designers looking to implement precise voltage comparison in their electronic systems.