Product Overview: Texas Instruments LM339APWRG4

The LM339APWRG4 from Texas Instruments is a quadruple differential comparator designed for applications requiring a precise voltage comparison. This integrated circuit (IC) is part of the LM339 series, known for its reliability and versatility in various electronic systems. The LM339APWRG4 is particularly well-suited for industrial, automotive, and consumer electronics where signal conditioning is paramount.

This device consists of four independent voltage comparators that are capable of operating from a single power supply over a wide range of voltages. It can also be operated from dual supplies if necessary, further enhancing its flexibility. The LM339APWRG4 operates at a voltage range from 2V to 36V for single supply systems, and ±1V to ±18V for dual supply configurations. This wide range of operating voltages makes it suitable for interfacing with both TTL and CMOS logic, and it can be used in applications that require direct interfacing with MOS logic.

The LM339APWRG4 features a low input bias current, which minimizes the impact on the circuits being monitored and ensures accurate comparisons. Additionally, the low input offset voltage and offset current contribute to the device's high precision. The comparators in the LM339APWRG4 also have an open-collector output, which provides the capability to interface with different types of logic or to drive loads directly, as long as an external pull-up resistor is included in the circuit.

Designed with an emphasis on robustness, the LM339APWRG4 can withstand input voltages that exceed the power supply levels. This characteristic is particularly important in industrial environments where voltage spikes and surges are common. Furthermore, the device's low supply current drain is independent of the magnitude of the power supply voltage, which helps to conserve energy in battery-powered devices.

Available in a TSSOP-14 package, the LM339APWRG4 is engineered for space-saving on printed circuit boards (PCBs), and its surface-mount form factor aligns with modern manufacturing processes. Whether it's being used for limit comparison, level detection, or as a voltage monitor, the LM339APWRG4 is a reliable choice for designers seeking a high-quality comparator solution.

Key Features:

• Four independent comparators
• Wide operating voltage range: 2V to 36V (single supply) or ±1V to ±18V (dual supply)
• Low input bias current
• Low input offset voltage and current
• Open-collector outputs
• Input common-mode voltage range includes ground
• Low supply current drain independent of supply voltage
• Capable of driving loads
• TSSOP-14 package for space efficiency