The LM239APT is a versatile quad differential comparator designed and manufactured by STMicroelectronics, a global semiconductor leader renowned for its innovative products and solutions. This high-performance device is engineered to operate with single or dual power supplies, making it an ideal choice for a wide range of applications where precision voltage comparison is required.
Key Features
- Wide Supply Voltage Range: The LM239APT operates from a single power supply over a wide range of voltages, from 2V to 36V, or from dual supplies of ±1V to ±18V, ensuring flexibility in various circuit configurations.
- Low Supply Current Drain: It boasts a low supply current drain independent of the power supply voltage, which is typical at 0.8mA, contributing to energy-efficient designs.
- Low Input Biasing Current: The device features a low input biasing current of 25nA, which is ideal for high-impedance sensor interfaces and battery-powered circuits.
- Low Input Offset Voltage: An input offset voltage of ±1mV and offset current of ±5nA ensure high accuracy in voltage comparison operations.
- Input Common-Mode Voltage Range: The LM239APT includes an input common-mode voltage range that goes to ground level, even in the single-supply operation, for enhanced versatility.
- Output Compatibility: The output of the comparator can interface with TTL, MOS, and CMOS logic systems, making it suitable for a variety of digital applications.
Applications
The LM239APT is commonly used in numerous applications including control systems, limit comparators, voltage level detectors, and pulse generators. Its robust design allows for its use in harsh industrial environments, as well as in consumer electronics, automotive systems, and data processing equipment.
Package and Quality
This comparator is available in a TSSOP14 package, which is known for its compact footprint and suitability for space-constrained applications. STMicroelectronics is committed to high standards of quality, and the LM239APT is no exception, meeting stringent industry certifications and reliability tests.
With its combination of precision, low power, and flexibility, the LM239APT from STMicroelectronics stands out as a top choice for designers looking to incorporate reliable voltage comparison functionality into their systems.
