仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | General Purpose |
| NumberofElements | 2 |
| OutputType | Open-Collector |
| Voltage-SupplySingle/Dual(±) | 3V ~ 36V |
| Voltage-InputOffset(Max) | 2mV @ 30V |
| Current-InputBias(Max) | 0.25µA @ 5V |
| Current-Output(Typ) | 21mA @ 5V |
| Current-Quiescent(Max) | 600µA |
| OperatingTemperature | -40°C ~ 125°C |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
| MountingType | Surface Mount |
概要
Description
The LM2903BIDR is a dual differential comparator from Texas Instruments, designed for a wide range of applications requiring precise voltage comparison. It features two independent voltage comparators that have both low power consumption and high-speed operation. The device is suitable for various applications, including zero-crossing detectors, level shifters, and voltage monitoring systems.
The LM2903BIDR operates over a wide range of supply voltages, typically from 2 V to 36 V, which makes it versatile for use in different environments. The inputs can range from ground to the maximum supply voltage, making it highly adaptable for different circuit designs. It also comes with an open-drain output configuration, allowing it to interface with various logic families.
The device is temperature-compensated to ensure consistent performance across a broad temperature range, making it reliable for industrial and automotive applications. Its compact packaging and low power requirements make it a popular choice for space-constrained and power-sensitive applications.
The LM2903BIDR operates over a wide range of supply voltages, typically from 2 V to 36 V, which makes it versatile for use in different environments. The inputs can range from ground to the maximum supply voltage, making it highly adaptable for different circuit designs. It also comes with an open-drain output configuration, allowing it to interface with various logic families.
The device is temperature-compensated to ensure consistent performance across a broad temperature range, making it reliable for industrial and automotive applications. Its compact packaging and low power requirements make it a popular choice for space-constrained and power-sensitive applications.
Equivalent
The LM2903BIDR is a dual comparator chip. Some equivalent products include:
1. LM393 series (e.g., LM393 LM393A)
2. MCP6542 by Microchip Technology
3. LMC6772 by Texas Instruments
4. TLC3702 by Texas Instruments
5. MAX9022 by Maxim Integrated
Ensure compatibility by checking the specific parameters and package types, as equivalent products might have slight differences in specifications.
1. LM393 series (e.g., LM393 LM393A)
2. MCP6542 by Microchip Technology
3. LMC6772 by Texas Instruments
4. TLC3702 by Texas Instruments
5. MAX9022 by Maxim Integrated
Ensure compatibility by checking the specific parameters and package types, as equivalent products might have slight differences in specifications.
Features
The LM2903BIDR is a dual differential comparator that is designed to operate on a wide range of power supply voltages. Key features include:
1. Dual Differential Comparators: Contains two independent voltage comparators.
2. Wide Supply Voltage Range: Operates from 2 V to 36 V, supporting both single and dual supply modes.
3. Low Input Offset Voltage: Typically around 2 mV, enhancing precision in measurements.
4. Low Input Bias Current: Typically 25 nA, which helps minimize error due to input bias current.
5. Open-Collector Outputs: Allows for wired-AND configurations and compatibility with a variety of logic families.
6. Wide Common-Mode Range: Inputs can range from 0 V to VCC-1.5 V, suitable for a wide variety of applications.
7. Low Power Consumption: Consumes minimal power, making it suitable for battery-operated devices.
8. Temperature Range: Operates effectively over a wide temperature range, typically from -40°C to 125°C.
These features make the LM2903BIDR ideal for applications requiring reliable and efficient voltage comparison.
1. Dual Differential Comparators: Contains two independent voltage comparators.
2. Wide Supply Voltage Range: Operates from 2 V to 36 V, supporting both single and dual supply modes.
3. Low Input Offset Voltage: Typically around 2 mV, enhancing precision in measurements.
4. Low Input Bias Current: Typically 25 nA, which helps minimize error due to input bias current.
5. Open-Collector Outputs: Allows for wired-AND configurations and compatibility with a variety of logic families.
6. Wide Common-Mode Range: Inputs can range from 0 V to VCC-1.5 V, suitable for a wide variety of applications.
7. Low Power Consumption: Consumes minimal power, making it suitable for battery-operated devices.
8. Temperature Range: Operates effectively over a wide temperature range, typically from -40°C to 125°C.
These features make the LM2903BIDR ideal for applications requiring reliable and efficient voltage comparison.
Pinout
The LM2903BIDR is a dual comparator integrated circuit. It typically comes in an 8-pin package. Each comparator within the IC is capable of comparing two input voltages and providing a digital output based on the comparison.
Here's a concise overview of the pin functions for the standard 8-pin configuration:
1. VCC (Pin 8): Positive power supply voltage.
2. GND (Pin 4): Ground or negative power supply voltage.
3. IN+ (Pins 3, 5): Non-inverting inputs for the two comparators.
4. IN- (Pins 2, 6): Inverting inputs for the two comparators.
5. OUT (Pins 1, 7): Outputs for the two comparators.
The LM2903BIDR is used in applications requiring voltage comparison, such as zero-crossing detectors, level shifters, and threshold detectors. It is favored for its low power consumption and wide operating voltage range.
Here's a concise overview of the pin functions for the standard 8-pin configuration:
1. VCC (Pin 8): Positive power supply voltage.
2. GND (Pin 4): Ground or negative power supply voltage.
3. IN+ (Pins 3, 5): Non-inverting inputs for the two comparators.
4. IN- (Pins 2, 6): Inverting inputs for the two comparators.
5. OUT (Pins 1, 7): Outputs for the two comparators.
The LM2903BIDR is used in applications requiring voltage comparison, such as zero-crossing detectors, level shifters, and threshold detectors. It is favored for its low power consumption and wide operating voltage range.
Manufacturer
The LM2903BIDR is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits, which are used in a wide array of electronic applications. TI is one of the largest players in the semiconductor industry, and its products are widely used in consumer electronics, industrial applications, automotive systems, and communication devices. The company is known for its innovation and has a strong focus on research and development to drive advancements in technology.
Application
The LM2903BIDR is a dual comparator integrated circuit commonly used in various electronic applications. Its primary application areas include voltage level detection, zero-crossing detection, and pulse generation. It is often utilized in automotive systems for sensor signal processing and threshold detection. The comparator can also be found in industrial and consumer electronics for over-voltage and under-voltage protection, power supply monitoring, and analog-to-digital conversion assistance. Its ability to operate over a wide temperature range makes it suitable for harsh environments. Additionally, the LM2903BIDR is used in communication equipment and medical devices where reliable and accurate comparison of analog signals is required.
Package
The LM2903BIDR is typically available in a SOIC-8 package, which stands for Small Outline Integrated Circuit with 8 pins. This package type is commonly used for surface-mount technology (SMT) applications, providing a compact and efficient form factor for dual in-line package (DIP) alternatives.
