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LM393ADT
+NomenclatureIC COMP DUAL VOLT LP 8SOIC
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FabricantSemi - conducteurs optiques
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Pièce fabricant #LM393ADT
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Fiche technique LM393ADT DataSheet
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Package 8-SOIC
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En stock4835
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | General Purpose |
| NumberofElements | 2 |
| OutputType | CMOS, DTL, ECL, MOS, Open-Collector, TTL |
| Voltage-SupplySingle/Dual(±) | 2V ~ 36V, ±1V ~ 18V |
| Voltage-InputOffset(Max) | 2mV @ 30V |
| Current-InputBias(Max) | 0.1µA @ 5V |
| Current-Output(Typ) | 18mA @ 5V |
| Current-Quiescent(Max) | 2.5mA |
| OperatingTemperature | 0°C ~ 70°C |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
| MountingType | Surface Mount |
Présentation
Description
LM393ADT features two independent voltage comparators, each capable of independent voltage level comparison. The open-collector output design allows for wired-AND connections, facilitating simple interfacing with digital logic circuits. It also supports a wide range of power supplies and offers high gain, low offset voltage, and minimal input bias current.
The IC is typically used in applications such as zero-crossing detectors, oscillators, non-inverting level shifters, and analog-to-digital converters. Its reliability and robust performance make it a popular choice in consumer electronics, automotive, and industrial control systems. The LM393ADT is commonly packaged in SOIC-8 or other compact surface-mount forms, ensuring ease of use in circuit designs.
Equivalent
1. LM393 from Texas Instruments
2. LM393N from ON Semiconductor
3. UA393 from Texas Instruments
4. LM2903 from STMicroelectronics
5. MC3303 from ON Semiconductor
These components generally offer similar functionality and pin configurations, allowing them to be used interchangeably in most circuits. However, always check datasheets for specific electrical characteristics and compatibility.
Features
1. Dual Comparator: It contains two independent voltage comparators, making it versatile for various applications.
2. Wide Supply Voltage Range: Operates from 2V to 36V, suitable for both single and dual power supplies.
3. Low Input Offset Voltage: Ensures precise voltage comparisons with minimal error.
4. Low Input Bias Current: Enhances performance in high-impedance circuits.
5. Low Output Saturation Voltage: Provides efficient interfacing with logic levels.
6. Open-Collector Output: Allows for wired-OR connections and level shifting.
7. Wide Temperature Range: Operates effectively from -40°C to 125°C, suitable for automotive and industrial applications.
8. ESD Protection: Includes electrostatic discharge protection for enhanced durability.
9. Compact Package: Available in various compact surface-mount packages for space-saving designs.
These features make the LM393ADT ideal for applications like zero-crossing detectors, level shifters, and simple voltage comparators in both commercial and industrial environments.
Pinout
1. VCC (Pin 8): Positive power supply voltage.
2. GND (Pin 4): Ground.
3. Input 1- (Pin 2): Inverting input for comparator 1.
4. Input 1+ (Pin 3): Non-inverting input for comparator 1.
5. Output 1 (Pin 1): Output of comparator 1.
6. Input 2- (Pin 6): Inverting input for comparator 2.
7. Input 2+ (Pin 5): Non-inverting input for comparator 2.
8. Output 2 (Pin 7): Output of comparator 2.
The LM393ADT functions as a comparator, meaning it compares two input voltages and outputs a digital signal indicating which input is higher. It's used in applications requiring precise voltage level detection, such as zero-crossing detectors, level shifters, and simple analog-to-digital converters.
Manufacturer
Application
1. Voltage Comparators: Comparing analog signals to a reference voltage.
2. Level Shifters: Translating voltage levels between different parts of a circuit.
3. Oscillators: Generating precise timing signals.
4. Zero-Crossing Detectors: Identifying when an AC signal crosses zero voltage.
5. Battery Chargers: Monitoring and controlling charging processes.
6. Switching Power Supplies: Ensuring efficient power conversion.
7. Sensor Interface Circuits: Interfacing and processing signals from sensors.
8. Pulse Width Modulation (PWM): Controlling duty cycles in various applications.
Its versatility and low power consumption make it suitable for many electronic designs.