LM2903AVQDR

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LM2903AVQDR

+BOM

IC DUAL GP DIFF COMPARATR 8SOIC

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  • 제조업체 부품 #LM2903AVQDR

  • 패키지 SOIC (D)-8

  • 재고1768

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사양

속성 가치
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Differential
NumberofElements 2
OutputType CMOS, MOS, Open-Drain, TTL
Voltage-SupplySingle/Dual(±) 2V ~ 36V, ±1V ~ 18V
Voltage-InputOffset(Max) 2mV @ 32V
Current-InputBias(Max) 0.25µA @ 5V
Current-Output(Typ) 20mA
Current-Quiescent(Max) 2.5mA
OperatingTemperature -40°C ~ 125°C
Package/Case 8-SOIC (0.154, 3.90mm Width)
MountingType Surface Mount

개요

Description

The LM2903AVQDR is a dual differential voltage comparator integrated circuit, designed for a wide range of applications where voltage comparison is required. It operates with a wide supply voltage range from 2V to 36V, making it suitable for both single and dual power supply systems. This IC offers low power consumption, ideal for battery-operated devices, and features a low input bias current, which enhances its performance in precision applications.
The LM2903AVQDR provides an open-collector output, which allows it to interface easily with various digital and analog systems. It's capable of driving loads connected to different voltage levels, a feature useful in mixed-signal environments. With industrial-level temperature range capabilities, it performs reliably in harsh conditions.
Manufactured in a Small Outline Integrated Circuit (SOIC) package, the LM2903AVQDR is compact for space-constrained applications. Its versatility makes it suitable for use in timing circuits, zero-crossing detectors, and voltage sensing applications. The device is commonly used in automotive, industrial, and consumer electronics due to its robustness and reliability.

Equivalent

The LM2903AVQDR is a dual voltage comparator. Equivalent products include the LM2903 series from various manufacturers, such as the LM2903 from Texas Instruments, NXP, and ON Semiconductor. Other equivalents include the LM393 series, which is a similar dual comparator, and the MC3302 from ON Semiconductor. When selecting an equivalent, ensure it matches the voltage range, package, and temperature specifications of the LM2903AVQDR.

Features

The LM2903AVQDR is a dual differential comparator integrated circuit. Key features include:
1. Dual Comparator: Contains two independent voltage comparators.
2. Wide Supply Voltage Range: Operates from 2V to 36V for single supply, and ±1V to ±18V for dual supply.
3. Low Input Offset Voltage: Typically around 2mV.
4. Low Input Bias Current: Approximately 25nA.
5. Low Output Saturation Voltage: Output saturation voltage is typically 200mV at 4mA.
6. Open Collector Output: Allows for wired-AND connections.
7. Wide Common-Mode Voltage Range: Includes ground, making it suitable for single-supply operations.
8. Low Power Consumption: Ideal for battery-powered applications.
9. Temperature Range: Supports industrial temperature range from -40°C to 125°C.
10. Package Options: Available in SOIC, TSSOP, and other surface-mount packages.
These features make the LM2903AVQDR suitable for a variety of applications, including voltage level detection, waveform generators, and simple analog-to-digital converters.

Pinout

The LM2903AVQDR is a dual comparator integrated circuit from Texas Instruments. It typically comes in a standard small-outline package (SOIC) with 8 pins. The primary function of this IC is to compare two input voltage levels and provide a digital output indicating which input is higher.
Here is the typical pin configuration and function:
1. Pin 1 (OUT1): Output for the first comparator
2. Pin 2 (IN1-): Inverting input for the first comparator
3. Pin 3 (IN1+): Non-inverting input for the first comparator
4. Pin 4 (GND): Ground
5. Pin 5 (IN2+): Non-inverting input for the second comparator
6. Pin 6 (IN2-): Inverting input for the second comparator
7. Pin 7 (OUT2): Output for the second comparator
8. Pin 8 (VCC): Positive power supply voltage
The LM2903AVQDR is used in applications requiring precise voltage level detection, such as in zero-crossing detectors, level shifting, and other analog signal processing tasks.

Manufacturer

The LM2903AVQDR is manufactured by Texas Instruments, a major American technology company. Texas Instruments is known for designing and manufacturing semiconductors and various integrated circuits, which are widely used in electronic devices and systems globally. The company is headquartered in Dallas, Texas, and has a significant presence in the electronics industry, serving markets including automotive, industrial, and consumer electronics.

Application

The LM2903AVQDR is a dual differential comparator IC used in various applications. Its primary areas include:
1. Voltage Comparison: It compares two voltages and outputs a digital signal based on the comparison, useful in zero-crossing detectors, over-voltage detectors, and window comparators.

2. Sensor Signal Processing: Used in temperature, light, and other sensor interfaces to process and convert analog signals into digital logic outputs.
3. Pulse Width Modulation (PWM): Utilized in motor control circuits and power management systems to modulate signal widths.
4. Oscillator Circuits: Functions as a frequency generator or timer by creating oscillating waveforms.
5. Level Shifting: Converts voltage levels in mixed-signal systems.
Its low power consumption and wide voltage range make it suitable for automotive and industrial applications.

Package

The LM2903AVQDR is a dual comparator IC manufactured by Texas Instruments, and it comes in the SOIC-8 package type. SOIC stands for Small Outline Integrated Circuit, and the "8" indicates it has 8 pins.

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