The LM393ADT is a high-precision dual differential comparator manufactured by STMicroelectronics, designed to operate over a wide range of voltages, from a single power supply up to 36 volts or dual supplies of ±1.8 volts to ±18 volts. This versatile component is widely used in various applications such as level shifters, voltage monitors, and motor controllers due to its reliability and performance.
Key Features
- Wide Single Supply Voltage Range: 2 V to 36 V or dual supplies of ±1 V to ±18 V, making it suitable for battery-operated devices as well as for high-voltage applications.
- Low Supply Current Drain: Independent of the supply voltage, which is ideal for energy-saving applications.
- Low Input Biasing Current: Ensures minimal impact on the circuits where it is deployed.
- Low Input Offset Current: Provides accurate and consistent comparison results.
- Low Input Offset Voltage: Enables precise control for threshold detection applications.
- Output Voltage Compatible with TTL, MOS, and CMOS: The flexibility to interface with a variety of logic families.
- Differential Input Voltage Range Equal to the Supply Voltage: Allows for a wide range of input signals.
- Open Collector Outputs: For wired-AND connections and the ability to connect outputs to achieve higher current carrying capacity.
- ESD Tolerance: Specified for greater robustness against electrostatic discharges.
Typical Applications
The LM393ADT is utilized in a host of electronic circuits. It is commonly found in sensor interfaces, where it compares the output of a sensor with a set threshold. It is also employed in voltage monitoring systems, ensuring that the voltage levels remain within safe operating parameters. Additionally, the LM393ADT is used in motor control circuits, where it can compare rotational speeds or positions, and in oscillators and timing circuits where precision is paramount.
Product Specifications
The LM393ADT is supplied in an SO-8 package, which is compact and suitable for surface-mounted technology (SMT). The operating temperature range of the device is from -40°C to +125°C, allowing for use in extreme environmental conditions.
With its combination of features, the LM393ADT from STMicroelectronics is an essential component for designers looking for a reliable and versatile comparator for their electronic designs.
