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LM2903AVQDRQ1

Name: LM2903AVQDRQ1
Rating: 4.7 (12 reviews)

IC DUAL DIFF COMPARATOR 8-SOIC

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製造商。部分 #LM2903AVQDRQ1
包 SOIC (D)-8
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規格

Package	Tape & Reel (TR),Cut Tape (CT)
Series	Automotive, AEC-Q100
ProductStatus	Active
Type	Differential
NumberofElements	2
OutputType	CMOS, MOS, Open-Collector, TTL
Voltage-SupplySingle/Dual(±)	2V ~ 36V, ±1V ~ 18V
Voltage-InputOffset(Max)	2mV @ 5V
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

概述

Description

The LM2903AVQDRQ1 is a dual comparator integrated circuit (IC) designed for automotive applications. It includes two independent, high-speed voltage comparators capable of operating from a single supply voltage ranging from 2 to 36 volts. Key features include a low input offset voltage, high common-mode input voltage range, and a low supply current, making it suitable for battery-operated devices.
This IC is notable for its wide temperature range, ensuring reliable performance in various automotive environments. The LM2903AVQDRQ1 also offers a quick response time and is designed to drive TTL-compatible outputs, which enhances its versatility in various applications including signal conditioning, voltage level detection, and analog-to-digital conversion.
The "Q1" designation indicates it meets automotive standards, ensuring robustness in challenging conditions. Overall, the LM2903AVQDRQ1 is a reliable choice for automotive and industrial electronic designs requiring efficient and accurate voltage comparison.

Features

The LM2903AVQDRQ1 is a dual comparator designed for automotive applications. Key features include:
1. Dual Comparator: Contains two independent, high-speed comparators.
2. Voltage Range: Operates over a wide supply voltage range of 2 to 36 volts.
3. Low Input Offset Voltage: Provides precise voltage comparison with a typical offset voltage of 2 mV.
4. High Speed: Fast response time, with a typical propagation delay of 100 ns.
5. Open-Collector Output: Allows for wired-AND configurations and interfacing with various supply voltages.
6. Temperature Range: Designed for automotive applications, it operates from -40°C to +125°C.
7. Low Power Consumption: Suitable for battery-operated devices with minimal power draw.
8. Latch-Up Protection: Enhanced reliability in harsh environments.
9. RoHS Compliant: Meets environmental regulations for hazardous substances.
These features make the LM2903AVQDRQ1 ideal for automotive sensing and control applications.

Package

The LM2903AVQDRQ1 is offered in a VQFN (Very Thin Quad Flat No-leads) package type, specifically a 14-pin VQFN package. This type provides a compact design with good thermal performance, suitable for automotive applications.

Pinout

The LM2903AVQDRQ1 is a dual comparator with a pin count of 8. It is designed for low-voltage applications and operates with a wide supply voltage range. The primary function of the LM2903 is to compare two input voltages and output a digital signal indicating which input is higher.
The pin configuration is as follows:
1. Output A - Output of the first comparator.
2. Inverting Input A - Inverting input for the first comparator.
3. Non-Inverting Input A - Non-inverting input for the first comparator.
4. GND - Ground connection.
5. Non-Inverting Input B - Non-inverting input for the second comparator.
6. Inverting Input B - Inverting input for the second comparator.
7. Output B - Output of the second comparator.
8. VCC - Positive supply voltage.
This device is suitable for various applications, including signal conditioning, level shifting, and voltage level detection.

Manufacturer

The LM2903AVQDRQ1 is manufactured by Texas Instruments (TI), a prominent global semiconductor company. Texas Instruments designs and produces a wide range of analog and embedded processing chips. Founded in 1930, the company is known for its innovations in the fields of electronics, particularly in analog circuits, digital signal processing, and microcontrollers. TI serves various sectors, including automotive, industrial, communications, and consumer electronics, providing solutions that enhance performance and efficiency in electronic systems. The LM2903AVQDRQ1 is a dual voltage comparator, commonly used in applications requiring signal conditioning and processing.

Application

The LM2903AVQDRQ1 is a dual voltage comparator used in various application areas, including automotive systems, industrial automation, and consumer electronics. It is commonly employed for voltage level detection, over-voltage protection, zero-crossing detection, and in signal conditioning circuits. Its low power consumption and wide operating voltage range make it suitable for battery-powered devices and systems requiring reliable performance under varying conditions.

Equivalent

The LM2903AVQDRQ1 is a dual comparator. Equivalent products include:
1. LM393
2. LTC6752
3. TLV3702
4. MCP6562
5. MAX9018
Ensure to check specifications such as input voltage range, supply voltage, and speed for compatibility.