規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q100 |
| 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 @ 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-SOIC (0.154, 3.90mm Width) |
| MountingType | Surface Mount |
概述
Description
The LM2903YDT is a dual comparator integrated circuit (IC) designed for a wide range of voltage comparator applications. It operates across a broad supply voltage range, making it suitable for various electronic designs. The device consists of two independent precision voltage comparators that are designed to operate from a single power supply or dual supplies.
Key features of the LM2903YDT include low input bias current, low input offset voltage, and a wide common-mode voltage range, even when operating with a single supply. These characteristics ensure accurate and reliable performance in detecting voltage levels. The open-collector output configuration allows for wired-OR connections with other devices.
Typically housed in a compact surface-mount package, such as the SOIC-8, the LM2903YDT is ideal for space-constrained applications. It is widely used in automotive, industrial, and consumer electronics for applications such as zero-crossing detectors, pulse generators, and general voltage level sensing. The device's reliability and robustness make it a popular choice in circuits requiring precise voltage comparison.
Key features of the LM2903YDT include low input bias current, low input offset voltage, and a wide common-mode voltage range, even when operating with a single supply. These characteristics ensure accurate and reliable performance in detecting voltage levels. The open-collector output configuration allows for wired-OR connections with other devices.
Typically housed in a compact surface-mount package, such as the SOIC-8, the LM2903YDT is ideal for space-constrained applications. It is widely used in automotive, industrial, and consumer electronics for applications such as zero-crossing detectors, pulse generators, and general voltage level sensing. The device's reliability and robustness make it a popular choice in circuits requiring precise voltage comparison.
Equivalent
The LM2903YDT is a dual voltage comparator. Equivalent products include the LM393 and LM2903 series from various manufacturers. Other compatible alternatives might include the TLC3702, LMV393, and TLV7022, which offer similar functionalities but may differ in specifications like voltage range or package type. It's essential to review datasheets for compatibility in terms of performance, package, and pin configuration before substitution.
Features
The LM2903YDT is a dual comparator integrated circuit designed for applications requiring precision voltage comparison. Key features include:
1. Dual Comparator: Contains two independent voltage comparators in a single package.
2. Wide Supply Voltage Range: Operates from 2 V to 36 V, making it versatile for various applications.
3. Low Input Offset Voltage: Typically around 2 mV, which ensures high precision.
4. Low Supply Current: Helps in energy-efficient designs.
5. Open-Collector Output: Allows for wired-OR connections and interfacing with different logic levels.
6. Wide Temperature Range: Suitable for industrial applications, typically from -40°C to 125°C.
7. ESD Protection: Enhanced durability and reliability with electrostatic discharge protection.
8. Small Package: Available in SOIC-8 package, which saves space on PCBs.
9. Quick Response Time: Fast response time for high-speed applications.
10. Low Input Bias Current: Reducing power consumption and improving accuracy.
These features make the LM2903YDT suitable for various industrial, automotive, and consumer electronics applications.
1. Dual Comparator: Contains two independent voltage comparators in a single package.
2. Wide Supply Voltage Range: Operates from 2 V to 36 V, making it versatile for various applications.
3. Low Input Offset Voltage: Typically around 2 mV, which ensures high precision.
4. Low Supply Current: Helps in energy-efficient designs.
5. Open-Collector Output: Allows for wired-OR connections and interfacing with different logic levels.
6. Wide Temperature Range: Suitable for industrial applications, typically from -40°C to 125°C.
7. ESD Protection: Enhanced durability and reliability with electrostatic discharge protection.
8. Small Package: Available in SOIC-8 package, which saves space on PCBs.
9. Quick Response Time: Fast response time for high-speed applications.
10. Low Input Bias Current: Reducing power consumption and improving accuracy.
These features make the LM2903YDT suitable for various industrial, automotive, and consumer electronics applications.
Pinout
The LM2903YDT is a dual comparator integrated circuit, which means it contains two independent voltage comparators. It comes in an 8-pin package. Here’s a brief description of the pin functions:
1. VCC (Pin 8): Positive power supply voltage input.
2. GND (Pin 4): Ground or negative power supply input.
3. Non-inverting Inputs (Pins 3 and 5): These are the inputs for the two comparators. The voltage applied here is compared with the corresponding inverting input.
4. Inverting Inputs (Pins 2 and 6): These are the inputs for the two comparators. The voltage applied here is compared against the corresponding non-inverting input.
5. Outputs (Pins 1 and 7): The output of the comparison; goes low when the non-inverting input is at a lower voltage than the inverting input.
The LM2903YDT operates by comparing the voltages on its inputs and providing a digital output indicating which input is higher. It is commonly used in applications requiring precise voltage level detection.
1. VCC (Pin 8): Positive power supply voltage input.
2. GND (Pin 4): Ground or negative power supply input.
3. Non-inverting Inputs (Pins 3 and 5): These are the inputs for the two comparators. The voltage applied here is compared with the corresponding inverting input.
4. Inverting Inputs (Pins 2 and 6): These are the inputs for the two comparators. The voltage applied here is compared against the corresponding non-inverting input.
5. Outputs (Pins 1 and 7): The output of the comparison; goes low when the non-inverting input is at a lower voltage than the inverting input.
The LM2903YDT operates by comparing the voltages on its inputs and providing a digital output indicating which input is higher. It is commonly used in applications requiring precise voltage level detection.
Manufacturer
The LM2903YDT is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a broad range of semiconductor products. These products are used in various applications, including automotive, industrial, personal electronics, and communications equipment. The company is known for its innovation and development of integrated circuits and discrete devices that are crucial for modern electronics. STMicroelectronics operates worldwide, serving thousands of customers and working closely with leading technology companies to advance the capabilities and applications of semiconductors.
Application
The LM2903YDT is a dual comparator integrated circuit widely used in various applications. Its primary application areas include:
1. Industrial Systems: Monitoring and control applications requiring stable reference voltage.
2. Automotive Systems: Battery management, sensor interfacing, and electronic control units.
3. Consumer Electronics: Power supply circuits and voltage level detection.
4. Home Appliances: Temperature control and safety systems.
5. Communication Equipment: Signal conditioning and interface circuits.
Overall, its versatility, low power consumption, and ability to operate over a wide temperature range make it suitable for diverse applications requiring reliable voltage comparison.
1. Industrial Systems: Monitoring and control applications requiring stable reference voltage.
2. Automotive Systems: Battery management, sensor interfacing, and electronic control units.
3. Consumer Electronics: Power supply circuits and voltage level detection.
4. Home Appliances: Temperature control and safety systems.
5. Communication Equipment: Signal conditioning and interface circuits.
Overall, its versatility, low power consumption, and ability to operate over a wide temperature range make it suitable for diverse applications requiring reliable voltage comparison.
Package
The LM2903YDT is a dual comparator IC available in a small outline package (SOP) with 8 pins, specifically the SOIC-8 (Small Outline Integrated Circuit) package type. This package is suitable for surface-mount technology (SMT) applications, providing a compact form factor for efficient use on printed circuit boards.
