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LM393DR
+Lista de MateriaisIC COMPARATOR DUAL 0.8MA 8-SOIC
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FabricanteSemiconductor de Rohm
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Peça do Fabricante #LM393DR
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Pacote SOIC-8
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | Trophy |
| Part Status | Active |
| Type | General Purpose |
| Number of Elements | 2 |
| Output Type | CMOS, MOS, Open-Collector, TTL |
| Voltage - Supply, Single/Dual (±) | 2V ~ 36V, ±1V ~ 18V |
| Voltage - Input Offset (Max) | 7mV @ 5V |
| Current - Input Bias(Max) | 0.25µA @ 5V |
| Current - Output (Typ) | 6mA @ 5V |
| Current - Quiescent (Max) | 2.5mA |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features of the LM393DR include low power consumption and high input impedance, which contribute to its efficiency in battery-powered devices. It has an open-collector output, allowing it to interface with other digital circuits or to pull up the voltage level externally. The typical response time is fast, which is advantageous for time-sensitive applications.
The LM393DR is commonly used in applications like zero-crossing detectors, signal conditioning, and sensor interfacing. Its compact SOIC-8 package makes it suitable for space-constrained designs. Additionally, the LM393DR is known for its reliability and consistent performance across a wide temperature range, making it a popular choice in industrial and consumer electronics.
Equivalent
Features
1. Dual Comparator: Contains two independent voltage comparators that can operate from a single power supply.
2. Wide Supply Voltage Range: Operates from 2V to 36V, suitable for a variety of applications.
3. Low Power Consumption: Features a low supply current of approximately 0.4 mA, making it energy-efficient.
4. Low Input Offset Voltage: Typically around 2 mV, allowing for accurate voltage comparison.
5. Open-Collector Outputs: The outputs can be connected to a range of voltages, allowing for level-shifting and interfacing with other circuits.
6. Response Time: Fast response time typically around 1.3 μs.
7. Output Compatibility: Compatible with TTL, CMOS, and other logic families.
8. Wide Temperature Range: Operates from -40°C to +85°C, suitable for industrial environments.
9. Small Package: Available in a small SOIC-8 package, suitable for space-constrained designs.
These features make the LM393DR suitable for applications like zero-crossing detectors, voltage level detectors, and signal conditioning.
Pinout
1. Vcc (Pin 8): Positive power supply pin.
2. GND (Pin 4): Ground pin.
3. Output A (Pin 1): Output of comparator A.
4. Inverting Input A (Pin 2): Inverting input for comparator A.
5. Non-Inverting Input A (Pin 3): Non-inverting input for comparator A.
6. Output B (Pin 7): Output of comparator B.
7. Inverting Input B (Pin 6): Inverting input for comparator B.
8. Non-Inverting Input B (Pin 5): Non-inverting input for comparator B.
The LM393DR operates by comparing the voltages at the non-inverting and inverting inputs and provides an output based on this comparison, which can be used in various applications such as zero-crossing detectors, voltage comparators, and oscillators. The "DR" suffix indicates the package type, which in this case is SOIC-8 (Small Outline Integrated Circuit with 8 pins).