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LM2903MX
+Lista de MateriaisIC COMPARATOR DUAL VOLT 8-SOIC
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FabricanteTexas Instruments
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Peça do Fabricante #LM2903MX
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Pacote SOIC-8
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Em Estoque7671
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Obsolete |
| Type | General Purpose |
| Number of Elements | 2 |
| Output Type | CMOS, DTL, ECL, MOS, Open-Collector, TTL |
| Voltage - Supply, Single/Dual (±) | 2V ~ 36V, ±1V ~ 18V |
| Voltage - Input Offset (Max) | 7mV @ 30V |
| Current - Input Bias(Max) | 0.25µA @ 5V |
| Current - Output (Typ) | 16mA @ 5V |
| Current - Quiescent (Max) | 2.5mA |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Visão Geral
Description
The LM2903MX features two independent voltage comparators that draw low supply current, making it ideal for battery-powered applications. The outputs are compatible with TTL, CMOS, and other logic families, providing flexibility in interfacing. It is designed to operate in a wide temperature range, which makes it suitable for use in harsh environments.
The device is commonly used for tasks such as zero-crossing detectors, voltage level detection, and basic operational amplifier applications. Its compact SOIC-8 package allows for easy integration into circuit designs, promoting space efficiency on printed circuit boards. Overall, the LM2903MX is valued for its robustness, versatility, and low power consumption.
Equivalent
Features
1. Dual Comparator: Contains two independent voltage comparators in a single package.
2. Wide Supply Range: Operates from 2 V to 36 V single supply or ±1 V to ±18 V dual supplies.
3. Low Input Offset Voltage: Typically around 2 mV, ensuring accurate performance.
4. Low Supply Current: Typically around 0.8 mA, making it energy-efficient.
5. Common-Mode Voltage Range: Extends to the negative supply, suitable for ground sensing.
6. Open-Collector Output: Allows for wired-OR configurations and interfacing with different voltage levels.
7. High Output Current: Capable of driving loads up to 16 mA.
8. Temperature Range: Typically operates from -40°C to +85°C, suitable for industrial applications.
9. Package: Available in SOIC-8 package, facilitating compact designs.
These features make the LM2903MX suitable for applications like zero-crossing detectors, voltage level shifters, and various sensor interface circuits.
Pinout
1. VCC (Pin 8): This is the supply voltage pin where the positive voltage is connected.
2. GND (Pin 4): Ground pin for the circuit.
3. IN+ (Pins 3 and 5): Non-inverting inputs for the two comparators.
4. IN- (Pins 2 and 6): Inverting inputs for the two comparators.
5. OUT (Pins 1 and 7): Output pins for the two comparators.
Each comparator in the LM2903 can compare two voltages and provide a digital output, indicating which input is higher. The outputs are typically open-collector, allowing for wired-OR configurations and compatibility with various logic levels. The device is commonly used in applications such as signal processing, voltage level detection, and other analog comparison functions.
Manufacturer
Application
1. Signal Conditioning: Used in zero-crossing detectors and signal level detection.
2. Industrial Control Systems: Employed for monitoring and control tasks.
3. Automotive Systems: Useful in battery management and sensor interfacing.
4. Consumer Electronics: Integral in audio and video equipment for processing signals.
5. Power Management: Part of over-voltage and over-current protection circuits.
6. Medical Devices: Used in diagnostic and monitoring equipment for signal processing.
Its versatility in comparing two voltages and providing digital output makes it essential in both analog and digital systems.