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LM2903DGKR
+BOMIC COMPARATOR DUAL GP 8MSOP
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メーカーロームセミコンダクター
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メーカー品番 #LM2903DGKR
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パッケージ VSSOP (DGK)-8
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在庫状況4584
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | Trophy |
| ProductStatus | Active |
| Type | General Purpose |
| NumberofElements | 2 |
| OutputType | CMOS, MOS, Open-Collector, TTL |
| Voltage-SupplySingle/Dual(±) | 2V ~ 36V, ±1V ~ 18V |
| Voltage-InputOffset(Max) | 7mV @ 5V |
| Current-InputBias(Max) | 0.25µA @ 5V |
| Current-Output(Typ) | 16mA @ 5V |
| Current-Quiescent(Max) | 2.5mA |
| OperatingTemperature | -40°C ~ 125°C |
| Package/Case | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) |
| MountingType | Surface Mount |
概要
Description
Key features include low input offset voltage, low power consumption, and an ability to operate with a single or dual power supply. The LM2903DGKR is often used for signal conditioning, voltage level detection, and sensor interfacing tasks.
Packaged in a compact, surface-mount format (such as SOIC or VSSOP), it is easy to integrate into PCB designs. The device is robust and can tolerate a wide operating temperature range, enhancing reliability in harsh environments.
Overall, the LM2903DGKR is valued for its versatility, reliability, and efficiency in various analog electronic circuits.
Equivalent
Features
1. Dual Comparator: Contains two independent voltage comparators.
2. Wide Supply Voltage Range: Operates from 2V to 36V for single supply and ±1V to ±18V for dual supply.
3. Low Supply Current: Minimizes power consumption with low quiescent current.
4. Open-Collector Output: Allows for wired-OR configurations and interfacing with various logic circuits.
5. Wide Common-Mode Range: Input voltage can exceed the negative supply voltage, enhancing versatility.
6. Temperature Range: Operates effectively from -40°C to 125°C, suitable for industrial environments.
7. High Sensitivity: Features a typical input offset voltage of just a few millivolts, ensuring precision in applications.
8. Package: Available in a small-outline TSSOP-8 package, which saves space on PCBs.
These features make the LM2903DGKR suitable for use in various applications, including sensor signal conditioning, zero-crossing detectors, and voltage level detection.
Pinout
1. VCC (Pin 8): This is the positive power supply pin.
2. GND (Pin 4): This is the ground pin.
3. IN1- (Pin 2): Inverting input for comparator 1.
4. IN1+ (Pin 3): Non-inverting input for comparator 1.
5. OUT1 (Pin 1): Output for comparator 1.
6. IN2- (Pin 6): Inverting input for comparator 2.
7. IN2+ (Pin 5): Non-inverting input for comparator 2.
8. OUT2 (Pin 7): Output for comparator 2.
The LM2903DGKR operates as two independent voltage comparators. Each comparator can compare two voltages applied to its inputs and provide a digital output based on the comparison. The output is typically an open-collector type, meaning it can be used for wired-AND configurations with external pull-up resistors. This IC is commonly used in various applications, including voltage level detection and sensor interfacing.
Manufacturer
Application
1. Voltage Comparator: Comparing two voltage levels in power supplies and battery management systems.
2. Analog-to-Digital Conversion: Used in ADC circuits to digitize analog signals.
3. Signal Conditioning: Enhancing signal quality for sensors and transducers.
4. Oscillator Circuits: Generating timing signals in clock and waveform generator circuits.
5. Zero-Crossing Detectors: Identifying zero voltage points in AC signals.
6. Level Shifters: Converting signal levels for compatibility between different circuit sections.
7. Overvoltage/Undervoltage Protection: Monitoring voltage levels in safety circuits.
These features make it versatile for automotive, industrial, and consumer electronics.