LM2903
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The LM2903 is a dual voltage comparator integrated circuit (IC) commonly used in applications requiring precise voltage comparisons. It contains two independent comparators capable of operating over a wide range of input voltages and temperatures.
Key Features:
- Number of Comparators: Dual comparator IC.
- Input Voltage Range: Wide input voltage range.
- Output Type: Open-collector outputs.
- Power Supply Voltage: Typically operates with a single supply voltage.
- Low Power Consumption: Suitable for low-power applications.
- Package Type: Available in various package types, including DIP and SMD.
- Voltage monitoring and detection.
- Threshold detection in battery-powered systems.
- Signal conditioning in sensor interfaces.
- Overvoltage/undervoltage detection circuits.
- General-purpose comparator applications.
Technical Specifications:
- Logic Family: CMOS
- Number of Channels: 3
- Switch Configuration: Single-Pole Double-Throw (SPDT)
- Supply Voltage Range: 3V to 15V
- “ON” Resistance (R_ON): 125Ω typical at V_DD = 10V
- “OFF” Leakage Current (I_OFF): ±100pA typical at V_DD = 10V
- Control Input Voltage (V_IH): 0.7 V_DD min, 0.3 V_DD max
- Maximum Operating Frequency: 40 MHz at V_DD = 10V
Applications:
- Signal routing and switching
- Analog and digital multiplexing
- Audio and video signal processing
- Data acquisition systems
- Test equipment