Thông số kỹ thuật
| thuộc tính | Giá trị |
| 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 ~ 105°C |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
| MountingType | Surface Mount |
Tổng quan
Description
The LM2903DR2G is a dual differential comparator integrated circuit designed for a wide range of voltage comparator applications. It operates from a single power supply over a wide range of voltages, making it versatile for various electronic projects. The device can also function with split power supplies, which adds to its flexibility.
Key features include:
- Input Offset Voltage: Low, enhancing precision.
- Low Supply Current: Ideal for battery-powered devices.
- Wide Supply Voltage Range: Typically from 2V to 36V.
- Low Output Saturation Voltage: Allows for efficient operation.
- Output Compatible with TTL, MOS, and CMOS logic levels.
The LM2903DR2G is housed in a small, surface-mount plastic package (SOIC-8), which conserves board space. It is commonly used in applications requiring a level detection, signal conditioning, or as part of a control system. Its robustness and reliability make it suitable for automotive, industrial, and consumer electronics.
Key features include:
- Input Offset Voltage: Low, enhancing precision.
- Low Supply Current: Ideal for battery-powered devices.
- Wide Supply Voltage Range: Typically from 2V to 36V.
- Low Output Saturation Voltage: Allows for efficient operation.
- Output Compatible with TTL, MOS, and CMOS logic levels.
The LM2903DR2G is housed in a small, surface-mount plastic package (SOIC-8), which conserves board space. It is commonly used in applications requiring a level detection, signal conditioning, or as part of a control system. Its robustness and reliability make it suitable for automotive, industrial, and consumer electronics.
Equivalent
The LM2903DR2G is a dual comparator IC. Equivalent products include:
1. LM393 - Similar dual comparator with comparable specifications.
2. UA2903 - Another dual comparator with similar functionality.
3. TLC3702 - A low-power version with similar characteristics.
4. MC3303 - A quad comparator version that may also serve as an alternative.
5. LM293 - A part of the same family with similar features.
Ensure compatibility with your specific circuit requirements when considering alternatives.
1. LM393 - Similar dual comparator with comparable specifications.
2. UA2903 - Another dual comparator with similar functionality.
3. TLC3702 - A low-power version with similar characteristics.
4. MC3303 - A quad comparator version that may also serve as an alternative.
5. LM293 - A part of the same family with similar features.
Ensure compatibility with your specific circuit requirements when considering alternatives.
Features
The LM2903DR2G is a dual comparator IC featuring two independent voltage comparators. It is designed for a wide range of supply voltages from 2 V to 36 V in single-supply operation or ±1 V to ±18 V for dual supplies. Key features include low power consumption, wide common-mode voltage range, and the ability to operate with a single power supply, making it versatile for various applications.
The device outputs are open-drain, allowing for wired-OR connections, and it is capable of driving LED indicators and relay loads, among other applications. The LM2903DR2G operates over a wide temperature range and is available in an 8-pin SOIC package, which ensures ease of integration into standard electronic designs.
Its benefits include high input impedance, low offset voltage, and low supply-current drain, which makes it suitable for battery-powered devices. The LM2903DR2G is commonly used in level shifting, analog-to-digital conversion, voltage monitoring, and oscillator circuits.
The device outputs are open-drain, allowing for wired-OR connections, and it is capable of driving LED indicators and relay loads, among other applications. The LM2903DR2G operates over a wide temperature range and is available in an 8-pin SOIC package, which ensures ease of integration into standard electronic designs.
Its benefits include high input impedance, low offset voltage, and low supply-current drain, which makes it suitable for battery-powered devices. The LM2903DR2G is commonly used in level shifting, analog-to-digital conversion, voltage monitoring, and oscillator circuits.
Pinout
The LM2903DR2G is a dual comparator integrated circuit commonly used for comparing analog voltages. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief pin description:
1. Pin 1 - Output 1: Output for comparator 1.
2. Pin 2 - Inverting Input 1: Inverting input for comparator 1.
3. Pin 3 - Non-Inverting Input 1: Non-inverting input for comparator 1.
4. Pin 4 - V- (Ground): Ground or negative supply voltage.
5. Pin 5 - Non-Inverting Input 2: Non-inverting input for comparator 2.
6. Pin 6 - Inverting Input 2: Inverting input for comparator 2.
7. Pin 7 - Output 2: Output for comparator 2.
8. Pin 8 - V+: Positive supply voltage.
The LM2903DR2G is used in various applications requiring voltage comparison, such as zero-crossing detectors, line receivers, and voltage level shifters.
1. Pin 1 - Output 1: Output for comparator 1.
2. Pin 2 - Inverting Input 1: Inverting input for comparator 1.
3. Pin 3 - Non-Inverting Input 1: Non-inverting input for comparator 1.
4. Pin 4 - V- (Ground): Ground or negative supply voltage.
5. Pin 5 - Non-Inverting Input 2: Non-inverting input for comparator 2.
6. Pin 6 - Inverting Input 2: Inverting input for comparator 2.
7. Pin 7 - Output 2: Output for comparator 2.
8. Pin 8 - V+: Positive supply voltage.
The LM2903DR2G is used in various applications requiring voltage comparison, such as zero-crossing detectors, line receivers, and voltage level shifters.
Manufacturer
The LM2903DR2G is manufactured by ON Semiconductor, a company known for producing a wide range of semiconductor components. ON Semiconductor, now known as onsemi, is a leading supplier in the electronics industry, providing a broad portfolio of products including analog devices, sensors, logic, timing, discrete, and custom devices. Their offerings are essential for various applications in automotive, industrial, cloud power, and the Internet of Things (IoT) sectors. Onsemi is recognized for its focus on energy-efficient innovations and solutions, aligning with industry trends towards sustainability and efficiency.
Application
The LM2903DR2G is a dual comparator used in various electronic applications. Its primary application areas include voltage level detection, signal conditioning, and zero-cross detection in power supply circuits. It's commonly used in automotive systems, industrial control systems, and consumer electronics for tasks such as battery monitoring, sensor interfacing, and timing control. The device is suitable for use in harsh environments due to its wide temperature range and capability to operate with single or dual power supplies. Additionally, the LM2903DR2G is often employed in analog-to-digital conversion processes and pulse-width modulation circuits.
Package
The LM2903DR2G is a dual comparator integrated circuit. It is typically available in a SOIC-8 (Small Outline Integrated Circuit) package, which is a surface-mount package with 8 pins.
