LM2903AVQDR

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LM2903AVQDR

IC DUAL GP DIFF COMPARATR 8SOIC

  • Manufacturer
  • Mfr. Part #LM2903AVQDR
  • Package SOIC (D)-8
  • Datasheet
  • In Stock3515

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Specifications

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

Overview

Description

The LM2903AVQDR is a dual comparator integrated circuit designed for various analog signal processing applications. It is part of the LM2900 series and features two independent comparators, which can operate with a single or dual power supply, making it versatile for various designs. The device has a wide supply voltage range, typically from 2 to 36 volts.
Key features include a low input offset voltage, high gain, and fast response time, making it suitable for precise applications, such as voltage level detection and signal conditioning. The LM2903AVQDR also includes built-in hysteresis to prevent oscillation in noisy environments. The device is packaged in a 14-pin SOIC (Small Outline Integrated Circuit) format, providing a compact solution for space-constrained designs.
Applications include battery voltage monitoring, temperature sensing, and other general-purpose comparator tasks in consumer electronics, automotive systems, and industrial controls. This IC is well-regarded for its reliability and performance in a variety of electronic circuits.

Features

The LM2903AVQDR is a dual comparator integrated circuit designed for high-speed applications. Key features include:
1. Dual Comparator: Contains two independent comparators, allowing simultaneous processing of two signals.
2. Wide Supply Voltage Range: Operates with a supply voltage from 2 to 36 V, making it versatile for various applications.
3. Low Input Offset Voltage: Typically around 2 mV, ensuring high accuracy in signal comparisons.
4. Fast Response Time: Offers a propagation delay of 300 ns at 5 V, suitable for high-speed applications.
5. Open-Collector Output: Allows for wired-AND configurations and easy interfacing with different voltage levels.
6. Low Power Consumption: Consumes minimal power, enhancing efficiency in battery-operated devices.
7. Temperature Range: Rated for operation from -40°C to +125°C, suitable for industrial applications.
8. Robust Design: Suitable for a variety of applications including voltage level detection, pulse-width modulation, and zero-crossing detection.
These features make the LM2903AVQDR ideal for automotive, industrial, and consumer electronics applications.

Package

The LM2903AVQDR is packaged in a SOIC-8 (Small Outline Integrated Circuit) format.

Pinout

The LM2903AVQDR is a dual comparator IC with 8 pins. Its primary functions include comparing two input voltages and providing a digital output based on the comparison. Specifically, the LM2903 consists of two independent, high-gain, frequency-compensated comparators with an open-collector output configuration.
### Pin Configuration:
1. Inverting Input (V-) for Comparator 1
2. Non-Inverting Input (V+) for Comparator 1
3. Output (Out) for Comparator 1
4. Vcc (Positive Supply Voltage)
5. Output (Out) for Comparator 2
6. Non-Inverting Input (V+) for Comparator 2
7. Inverting Input (V-) for Comparator 2
8. GND (Ground)
### Key Features:
- Wide supply voltage range
- Low input bias current
- High-speed response
The LM2903AVQDR is commonly used in various applications, including voltage level detection and signal conditioning.

Manufacturer

The LM2903AVQDR is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments specializes in the design and production of semiconductors and various integrated circuits, particularly for the electronics industry. The company is well-known for its analog and embedded processing products, serving a wide range of sectors including automotive, industrial, communications, and consumer electronics. TI is recognized for its innovation in both analog and digital technology, providing solutions that enable smarter electronics and enhance efficiency in numerous applications.

Application

The LM2903AVQDR is a dual comparator used in various applications, including voltage level detection, signal conditioning, temperature monitoring, and window comparators. It is commonly utilized in automotive, industrial, and consumer electronics for tasks like over-voltage protection, analog-to-digital conversion, and feedback control systems. Its low power consumption and wide supply voltage range make it suitable for portable devices and battery-operated applications.

Equivalent

The LM2903AVQDR is a dual comparator. Equivalent products include the LM393, LM2901, and TC comparator series like the TCComparator or MCP6002 (though the latter is an op-amp with comparator capabilities). Other alternatives may include the MAX902, TLC3702, and the LMV7219. Always verify specifications for your specific application requirements.

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