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LM2903VDR2G
+NomenclatureIC COMP DUAL OFFSET LV 8SOIC
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FabricantSemi - conducteurs
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Pièce fabricant #LM2903VDR2G
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Package 8-SOIC
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En stock4375
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| 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) | 7mV @ 30V |
| Current-InputBias(Max) | 0.25µA @ 5V |
| Current-Output(Typ) | 16mA @ 5V |
| Current-Quiescent(Max) | 2.5mA |
| OperatingTemperature | -40°C ~ 125°C |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
| MountingType | Surface Mount |
Présentation
Description
Key features of the LM2903VDR2G include a wide supply voltage range (typically 2V to 36V), low input offset voltage, and low input bias current. The open-collector output allows for wired-OR configurations, enabling multiple outputs to be connected for logic-level interfacing and level shifting. Additionally, the device is characterized for operation over the automotive temperature range, making it suitable for harsh environments.
The comparator is housed in a small, space-efficient SOIC-8 package, which is ideal for applications with limited space. Its combination of performance, versatility, and cost-effectiveness makes the LM2903VDR2G a popular choice for designers requiring reliable and precise voltage comparison.
Equivalent
1. LM393 series (e.g., LM393 LM393N)
2. TI's TLV1702
3. ON Semiconductor's MC33072
4. Microchip's MCP6542
These alternatives can vary in terms of specifications like voltage range and response time, so it's important to compare specific parameters to ensure compatibility with your application.
Features
1. Dual Comparators: Contains two independent voltage comparators in a single package, suitable for dual supply applications.
2. Wide Voltage Range: Operates over a wide voltage range from 2V to 36V, making it versatile for various applications.
3. Low Supply Current: Consumes minimal power with low supply current, enhancing efficiency.
4. Open Collector Output: Provides open-collector output for easy interfacing with other digital and analog components.
5. Low Input Offset Voltage: Features a low input offset voltage, improving precision and accuracy.
6. Temperature Range: Operates reliably across a wide temperature range, typically from -40°C to 125°C.
7. High Gain: Exhibits high voltage gain, essential for applications requiring amplification.
8. Small Package: Available in a small, space-efficient package, suitable for compact circuit designs.
These features make the LM2903VDR2G ideal for applications such as voltage level detection, threshold detection, and zero-crossing detectors in various electronic systems.
Pinout
1. Pin 1 (OUTPUT A): Output of comparator A
2. Pin 2 (INPUT A- or INVERTING INPUT A): Inverting input for comparator A
3. Pin 3 (INPUT A+ or NON-INVERTING INPUT A): Non-inverting input for comparator A
4. Pin 4 (GND or Ground): Ground or negative supply voltage
5. Pin 5 (INPUT B+ or NON-INVERTING INPUT B): Non-inverting input for comparator B
6. Pin 6 (INPUT B- or INVERTING INPUT B): Inverting input for comparator B
7. Pin 7 (OUTPUT B): Output of comparator B
8. Pin 8 (VCC or Positive Supply Voltage): Positive supply voltage
The LM2903VDR2G is used to compare two voltages and outputs a signal indicating which voltage is higher, making it suitable for applications like voltage sensing and level detection.
Manufacturer
Application
1. Sensor Signal Conditioning: Used in interfacing and processing signals from sensors.
2. Zero-Crossing Detectors: For detecting the crossing point of AC signals.
3. Voltage Level Shifting: Converting between different voltage levels.
4. Oscillators: Used in the creation of waveform generators.
5. Overvoltage and Undervoltage Protection: Monitoring and protection circuits.
6. Switching Power Supplies: As part of feedback and control loops.
7. Analog-to-Digital Converters (ADC): As a comparator in ADC circuits.
Its ability to operate in a wide voltage range and its low power consumption make it versatile in both automotive and industrial applications.