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LM2903VDR2G

Name: LM2903VDR2G
Rating: 4.7 (12 reviews)

IC COMP DUAL OFFSET LV 8SOIC

Производитель
Мфр. Часть #LM2903VDR2G
Пакет 8-SOIC
Лист данных
В наличии7329

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Спецификации

Package	Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus	Active
Type	General Purpose
NumberofElements	2
OutputType	CMOS, DTL, ECL, MOS, Open-Collector, TTL
Voltage-SupplySingle/Dual(±)	2V ~ 36V, ±1V ~ 18V
Voltage-InputOffset(Max)	7mV @ 30V
Current-InputBias(Max)	0.25µA @ 5V
Current-Output(Typ)	16mA @ 5V
Current-Quiescent(Max)	2.5mA
OperatingTemperature	-40°C ~ 125°C
Package/Case	8-SOIC (0.154, 3.90mm Width)
MountingType	Surface Mount

Обзор

Description

The LM2903VDR2G is a dual comparator integrated circuit (IC) designed for applications requiring precise voltage comparison. It features two independent, high-gain, voltage comparators that can operate on a single power supply or dual power supplies. The device is characterized by a wide supply voltage range from 2 to 36 volts, making it suitable for various electronic projects.
Key specifications include a typical input offset voltage of 2 mV, a common-mode input voltage range that extends below ground, and low power consumption. It has an open-collector output, allowing for easy interfacing with different logic levels. The LM2903VDR2G is commonly used in applications such as voltage level detection, signal conditioning, and comparator-based circuits.
Packaged in a small surface-mount (SOIC-8) form, it is ideal for space-constrained designs. Its robust performance and versatility make it a popular choice for both hobbyists and professionals in the electronics field.

Features

The LM2903VDR2G is a dual comparator IC featuring the following key specifications:
1. Dual Comparator: Contains two independent, high-gain comparators.
2. Wide Voltage Range: Operates from a single supply voltage of 2.0V to 36V, or dual supplies of ±1V to ±18V.
3. Output Configuration: Open-collector outputs allow for wired-AND configurations.
4. Low Power Consumption: Consumes minimal power, making it suitable for battery-operated devices.
5. High Speed: Typical response time is 1.3µs (at a 100mV input step).
6. Input Common Mode Range: Includes a wide common-mode voltage range, extending from the negative supply to 1.5V less than the positive supply.
7. Temperature Range: Designed to operate in a temperature range of -40°C to +85°C.
8. Package: Available in various packages, including SOIC-8 surface mount.
These features make the LM2903VDR2G suitable for a variety of applications, including voltage level detection, zero-crossing detection, and signal conditioning.

Package

The LM2903VDR2G is packaged in a SOIC-8 (Small Outline Integrated Circuit) format. This surface-mount package features eight pins and is designed for space-efficient applications in electronic circuits.

Pinout

The LM2903VDR2G is a dual comparator integrated circuit from Texas Instruments. It features an 8-pin package (SOIC-8). The primary function of the LM2903 is to compare two voltage levels and output a digital signal based on which input is higher.
Pin Configuration:
1. Inverting Input (V-) – Pin 2 (Comparator A)
2. Non-Inverting Input (V+) – Pin 3 (Comparator A)
3. Output (OUT) – Pin 1 (Comparator A)
4. Inverting Input (V-) – Pin 6 (Comparator B)
5. Non-Inverting Input (V+) – Pin 5 (Comparator B)
6. Output (OUT) – Pin 7 (Comparator B)
7. Supply Voltage (VCC) – Pin 8 (+V)
8. No Connection (NC) – Pin 4 (not used)
The LM2903 operates in a wide voltage range (up to 36V) and is designed for a variety of applications, including signal conditioning and voltage level detection.

Manufacturer

The LM2903VDR2G is manufactured by Texas Instruments (TI), a leading American technology company. Founded in 1930 and headquartered in Dallas, Texas, TI specializes in designing and manufacturing semiconductors and various integrated circuits. The company serves a wide range of industries, including automotive, industrial, communications, and consumer electronics, providing products such as analog ICs, embedded processors, and digital signal processors. Texas Instruments is well-known for its innovation and contributions to the semiconductor industry, particularly in analog and mixed-signal technologies. The LM2903VDR2G is a dual comparator, used in various applications for signal processing and conditioning.

Application

The LM2903VDR2G is a dual comparator used in various applications, including voltage level detection, zero-crossing detection, analog signal processing, and over-voltage or under-voltage protection circuits. It's commonly utilized in automotive, industrial, and consumer electronics for tasks like signal conditioning, comparator circuits, and as part of control systems. Its low power consumption and wide supply voltage range make it suitable for battery-operated devices as well.

Equivalent

The LM2903VDR2G is a dual comparator. Equivalent products include the LM393, LM2901, and TLV3702. Other alternatives are the MCP6541 and MCP6542, which are also dual comparators but may have different specifications. Always check the datasheets for specific parameters like supply voltage, output type, and response time to ensure compatibility for your application.

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