LM2903PWR

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LM2903PWR

+БОМ

IC COMPARATOR QUAD GP 8TSSOP

  • Производителькомпанией Rohm Semiconductor

  • Мфр. Часть #LM2903PWR

  • Пакет TSSOP (PW)-8

  • В наличии6490

365 Дни гарантии качества

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Спецификации

Атрибут Ценность
Package Tape & Reel (TR)
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 (0.173, 4.40mm Width)
MountingType Surface Mount

Обзор

Description

The LM2903PWR is a low-power, dual voltage comparator integrated circuit from Texas Instruments. Housed in a small SOIC-8 package, it is designed for use in a variety of applications requiring precise voltage comparison. This device operates over a wide voltage range, typically from 2V to 36V, making it versatile for different power supply configurations. It features low input offset voltage, low input bias current, and open-collector outputs, enabling compatibility with logic-level outputs.
The LM2903PWR is known for its high speed and low power consumption, making it suitable for battery-powered devices. It is widely used in applications such as zero-crossing detectors, voltage-level detection, and signal conditioning. The device also offers a wide operating temperature range, typically from -40°C to 125°C, ensuring reliability in harsh environments. Its compact package and robust performance make it a popular choice for designers looking to implement efficient and reliable voltage comparison in their circuits.

Equivalent

The LM2903PWR is a dual voltage comparator. Equivalent products include:
1. LM393 series (e.g., LM393 LM393N)
2. LMV393 series (e.g., LMV393, LMV393-N)
3. TLV1702
4. MCP6542
5. MAX923
These equivalents vary by manufacturer and specifications like voltage range and power consumption. Always review the datasheet to ensure compatibility with your application.

Features

The LM2903PWR is a dual voltage comparator IC designed for a wide range of applications. Here are its key features:
1. Dual Comparator: Contains two independent voltage comparators.
2. Wide Supply Voltage Range: Operates between 2V and 36V, suitable for diverse applications.
3. Low Supply Current: Consumes minimal power, enhancing efficiency.
4. Low Input Offset Voltage: Ensures high precision in voltage comparison.
5. Output Compatibility: Works with various logic systems.
6. Open-Collector Output: Allows for wired-AND configurations and level shifting.
7. Low Input Bias Current: Minimizes error in comparison, crucial for precision applications.
8. Temperature Range: Typically operates from -40°C to 125°C, suitable for industrial use.
9. Package Type: Available in SOIC-8 (Small Outline Integrated Circuit) package.
10. Common-Mode Range: Includes the negative supply voltage, enhancing flexibility in input conditions.
These features make the LM2903PWR an ideal choice for systems requiring reliable and efficient voltage comparison.

Pinout

The LM2903PWR is a dual comparator integrated circuit. It contains two independent voltage comparators designed to operate from a single power supply. The package type for LM2903PWR is typically a TSSOP-8, which means it has 8 pins. Here is a brief description of its pin configuration:
1. VCC (Pin 8): Power supply pin.
2. GND (Pin 4): Ground pin.
3. IN+ (Pins 3 and 5): Non-inverting inputs for Comparators 1 and 2, respectively.
4. IN- (Pins 2 and 6): Inverting inputs for Comparators 1 and 2, respectively.
5. OUT (Pins 1 and 7): Outputs for Comparators 1 and 2, respectively.
The function of the LM2903PWR is to compare two voltages applied at the input terminals and output a digital signal indicating which input is higher. It operates over a wide range of voltage levels and can be used in a variety of applications such as zero-crossing detectors, voltage level shifters, and signal conditioning.

Manufacturer

The LM2903PWR is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a wide range of electronic components and integrated circuits. They are one of the largest producers of analog and embedded processing chips, serving a variety of industries including automotive, industrial, consumer electronics, communications, and computing sectors. TI is known for its emphasis on innovation and technology development, with a significant focus on research and engineering to advance semiconductor technologies.

Application

The LM2903PWR is a dual comparator that is commonly used in various application areas due to its ability to operate over a wide voltage range. It is typically utilized in:
1. Voltage Level Detection: Used in power management systems to monitor and compare voltage levels.
2. Zero-Crossing Detection: Helps in detecting the zero-crossing point in AC signals for phase control.
3. Analog-to-Digital Conversion: Acts as a crucial component in ADC circuits by comparing input signals against a reference voltage.
4. Oscillator Circuits: Used to generate clock signals or waveforms for timing purposes.
5. Sensor Signal Conditioning: Processes signals from temperature, pressure, or other sensors for further analysis or display.
Its versatility makes it suitable for automotive, industrial, and consumer electronics applications.

Package

The LM2903PWR is a dual differential comparator integrated circuit available in a TSSOP-8 (Thin Shrink Small Outline Package) package. This package type is compact and suitable for surface-mount technology applications, optimizing space on printed circuit boards.

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