사양
| 속성 | 가치 |
| Package | Tape & Reel (TR) |
| Series | Automotive, AEC-Q100 |
| ProductStatus | Obsolete |
| Type | Differential |
| 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) | 20mA |
| Current-Quiescent(Max) | 2.5mA |
| OperatingTemperature | -40°C ~ 125°C |
| Package/Case | 8-TSSOP (0.173, 4.40mm Width) |
| MountingType | Surface Mount |
개요
Description
The LM2903VQPWR is a dual comparator integrated circuit designed for various electronic applications. It is part of the LM2903 family and is known for its reliability and performance in comparing voltage levels. This device operates over a wide voltage range, making it suitable for both automotive and industrial applications. The "VQPWR" in its name refers to specific packaging and quality assurance standards, often indicating automotive-grade quality, ensuring robust performance under harsh conditions.
The LM2903VQPWR includes two independent voltage comparators, which can operate from a single power supply over a wide voltage range. Its low input offset voltage, low power consumption, and ability to drive TTL logic circuits directly are notable features. Additionally, it supports single-supply or dual-supply operation and provides open-collector outputs, allowing for wired-AND configurations.
This device is typically used in applications like zero-crossing detectors, voltage level shifters, and signal conditioning. Its compact size and energy efficiency make it a versatile choice for engineers and designers working on analog signal processing and control systems.
The LM2903VQPWR includes two independent voltage comparators, which can operate from a single power supply over a wide voltage range. Its low input offset voltage, low power consumption, and ability to drive TTL logic circuits directly are notable features. Additionally, it supports single-supply or dual-supply operation and provides open-collector outputs, allowing for wired-AND configurations.
This device is typically used in applications like zero-crossing detectors, voltage level shifters, and signal conditioning. Its compact size and energy efficiency make it a versatile choice for engineers and designers working on analog signal processing and control systems.
Equivalent
The LM2903VQPWR is a dual comparator chip. Equivalent products include the LM393 series (such as LM393 LM393A), the LM2903 series (such as LM2903, LM2903D), and other dual comparators like the LM193 or LMV393. Additionally, manufacturers like ON Semiconductor and STMicroelectronics offer similar dual comparator ICs under different names, such as the LM393DR or the TS393 series. Always verify the specifications to ensure compatibility with your application.
Features
The LM2903VQPWR is a dual voltage comparator with several key features. It operates over a wide supply voltage range, typically from 2 V to 36 V, making it versatile for various applications. The device is designed for low power consumption and has a low input offset voltage, ensuring accurate performance. It is capable of driving loads connected to different voltage levels and can interface with different types of logic circuits. The comparators in the LM2903VQPWR have open-collector outputs, allowing for wired-OR configurations and level shifting. Additionally, the device is designed to operate over a broad temperature range, enhancing its reliability in diverse environments. It is packaged to meet automotive requirements, providing high reliability and robust performance. This comparator is suitable for applications such as signal conditioning, square wave generation, and pulse width modulation.
Pinout
The LM2903VQPWR is a dual comparator integrated circuit typically used in automotive and industrial applications. It features a small outline package with a specific pin configuration to facilitate its function.
The device has 8 pins with the following functions:
1. VCC (Pin 8): Supply voltage pin.
2. GND (Pin 4): Ground pin.
3. IN+ (Pins 5 and 7): Non-inverting inputs for the two comparators.
4. IN- (Pins 6 and 2): Inverting inputs for the two comparators.
5. OUT (Pins 1 and 7 or 1 and 5 depending on manufacturer): Output pins for the comparators, providing the result of the comparison between the respective IN- and IN+ inputs.
The LM2903VQPWR is used to compare voltages and produce digital output signals based on the input conditions. It can operate over a wide voltage range, making it suitable for various applications. Always refer to the specific datasheet for precise pin configurations and functionalities as slight variations may exist among manufacturers.
The device has 8 pins with the following functions:
1. VCC (Pin 8): Supply voltage pin.
2. GND (Pin 4): Ground pin.
3. IN+ (Pins 5 and 7): Non-inverting inputs for the two comparators.
4. IN- (Pins 6 and 2): Inverting inputs for the two comparators.
5. OUT (Pins 1 and 7 or 1 and 5 depending on manufacturer): Output pins for the comparators, providing the result of the comparison between the respective IN- and IN+ inputs.
The LM2903VQPWR is used to compare voltages and produce digital output signals based on the input conditions. It can operate over a wide voltage range, making it suitable for various applications. Always refer to the specific datasheet for precise pin configurations and functionalities as slight variations may exist among manufacturers.
Manufacturer
The LM2903VQPWR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of semiconductor products, including analog and embedded processing chips. TI's products are used in various applications across industries such as automotive, industrial, consumer electronics, communications, and enterprise systems. Known for its innovation and technological advancements, TI is a leader in the semiconductor industry, providing solutions that help to enhance performance and efficiency in electronic devices.
Application
The LM2903VQPWR is a dual voltage comparator commonly used in automotive and industrial applications due to its robustness and reliability. Key application areas include:
1. Automotive Systems: Used in sensor signal conditioning, voltage monitoring, and control systems.
2. Industrial Equipment: Employed in process control, fault detection, and automation systems.
3. Consumer Electronics: Utilized in power management, battery chargers, and LED drivers.
4. Communication Devices: Serves in transmitter and receiver circuits for signal integrity and level detection.
Its wide operating voltage range and low power consumption make it suitable for various applications requiring precise voltage comparison and signal processing.
1. Automotive Systems: Used in sensor signal conditioning, voltage monitoring, and control systems.
2. Industrial Equipment: Employed in process control, fault detection, and automation systems.
3. Consumer Electronics: Utilized in power management, battery chargers, and LED drivers.
4. Communication Devices: Serves in transmitter and receiver circuits for signal integrity and level detection.
Its wide operating voltage range and low power consumption make it suitable for various applications requiring precise voltage comparison and signal processing.
Package
The LM2903VQPWR is an operational amplifier (op-amp) typically offered in a TSSOP-8 package. TSSOP stands for Thin Shrink Small Outline Package, and the "8" indicates that it has 8 pins. This package type is known for its compact design, making it suitable for applications requiring space-saving solutions.
