The LM339DH is a high-performance, low-power quad voltage comparator manufactured by NXP Semiconductors. This precision device is designed to operate over a wide range of voltages, from a single 2.0V supply up to a dual ±15V supply. The LM339DH is characterized by its low input bias current, low input offset voltage, and low offset voltage drift, making it an excellent choice for precision voltage comparison applications.
Key Features
- Wide Supply Voltage Range: Operates from 2.0V to 36V single supply or ±1.0V to ±18V dual supply.
- Low Input Bias Current: Ensures minimal effect on the circuits being monitored, preserving accuracy and stability.
- Low Input Offset Voltage: Provides accurate comparisons by minimizing the difference in voltage between the inverting and non-inverting input.
- Low Offset Voltage Drift: Offers consistent performance over a wide range of temperatures.
- Open Collector Outputs: Allows for wired-AND connections and enables the outputs to interface with different logic levels.
- Input Common-Mode Voltage Range Includes Ground: Suitable for ground-referenced sensors and for single-supply operations.
- Differential Input Voltage Range Equal to the Power Supply Voltage: Enhances the flexibility in various applications.
Applications
The LM339DH is versatile and can be used in a variety of electronic applications. These include:
- Limit comparators
- Simple analog to digital converters
- Voltage monitoring
- Battery chargers
- Window comparators
- Time delay generators
- Motor control
Product Packaging
The LM339DH is offered in a SOIC-14 package, which is a small outline integrated circuit. This package is suitable for surface-mount technology (SMT) and offers a compact footprint for space-constrained applications. The robust design ensures reliable operation in industrial and commercial environments.
Quality and Reliability
NXP Semiconductors is known for their commitment to quality and the LM339DH is no exception. It is designed to meet or exceed the rigorous standards of the automotive and industrial markets, ensuring high reliability and performance.
