The LM2901DT is a low-power quad voltage comparator IC manufactured by STMicroelectronics. Here is an overview of the LM2901DT comparator:
LM2901DT Comparator Overview:
- Manufacturer: STMicroelectronics
- Part Number: LM2901DT
- Type: Quad Voltage Comparator
- Number of Comparators: 4 comparators in a single IC
- Package: 14-SOIC (Small Outline Integrated Circuit)
-
DataSheet
Key Features:
- Quad Comparator: Contains four independent comparator circuits in one package.
- Low Power Consumption: Suitable for battery-powered or energy-efficient applications.
- Wide Supply Voltage Range: Operational across various supply voltage levels.
- High Input Impedance: Minimizes loading effects on input signals.
Technical Specifications:
- Input Offset Voltage: The inherent voltage difference required for the comparator to change states.
- Input Offset Current: Current imbalance at the inputs affecting precision.
- Response Time: Speed at which the comparator responds to input changes.
- Input Common-Mode Voltage Range: The range of voltages that can be applied to the input pins.
Applications:
The LM2901DT quad voltage comparator is widely used in diverse applications, such as:
- Analog Signal Processing: Precision voltage comparisons in analog circuits.
- Threshold Detection: Implementing threshold detection and window comparators.
- Motor Control: Monitoring motor phases and conditions based on voltage levels.
- Overvoltage Protection: Triggering protective measures in case of exceeding specified voltage limits.
- Battery Management: Voltage monitoring and control in battery-operated systems.
Working Principle:
- Comparator Functionality: Compares voltages applied to its inputs and outputs a logic signal based on the comparison result.
- Open Collector Outputs: Provides flexibility to interface with various logic levels and circuits.
- Hysteresis: Some versions offer hysteresis to prevent oscillations and ensure stable switching.
Note:
- Detailed information on electrical characteristics, application circuits, and recommendations can be found in the datasheet provided by STMicroelectronics for the LM2901DT comparator.
- Proper external components, such as resistors and capacitors, may be required to configure the comparator for specific applications.
The LM2901DT quad comparator from STMicroelectronics is a versatile integrated circuit with multiple comparators, low power consumption, and a wide supply voltage range, making it suitable for various precision voltage comparison tasks in electronic circuits.
