LM2903VQDRQ1

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LM2903VQDRQ1

IC COMPARATOR 2 DIFF 8SOIC

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Spécifications

Part Status Active
Type Standard (General Purpose)
Number of Elements 2
Output Type Open-Collector, Rail-to-Rail
Voltage - Supply, Single/Dual (±) 2V ~ 36V, ±1V ~ 18V
Voltage - Input Offset (Max) 7mV @ 5V
Current - Input Bias (Max) 0.25µA @ 5V
Current - Output (Typ) 20mA
Current - Quiescent (Max) 2.5mA
Operating Temperature -40°C ~ 125°C
Package / Case 8-SOIC (0.154", 3.90mm Width)
Mounting Type Surface Mount
Supplier Device Package 8-SOIC
Base Product Number LM2903
Grade Automotive
Qualification AEC-Q100

Vue d'ensemble

Description

The LM2903VQDRQ1 is a dual comparator integrated circuit designed for automotive applications. It features two independent, high-speed voltage comparators that can operate with a wide supply voltage range from 2.7V to 36V, making it versatile for various electronic systems. The device is built to withstand harsh conditions typical in automotive environments, including temperature ranges from -40°C to 125°C.
Key features include low input offset voltage, low power consumption, and fast response times, which are critical for applications such as signal processing, voltage level detection, and system monitoring. The LM2903VQDRQ1 is available in a VQFN package, which offers a compact footprint suitable for space-constrained designs. Its robust performance and reliability make it ideal for use in automotive systems like battery management, motor control, and sensing applications. Overall, the LM2903VQDRQ1 is a reliable choice for engineers designing automotive electronics requiring efficient and accurate voltage comparison.

Features

The LM2903VQDRQ1 is a dual comparator designed for various applications, including automotive and industrial systems. Key features include:
1. Dual Comparator: Contains two independent, high-gain, and voltage-compensated comparators.
2. Wide Supply Voltage Range: Operates from 2V to 36V, allowing flexibility in power supply design.
3. Low Input Offset Voltage: Typically 2mV, ensuring accurate comparisons.
4. Open-Collector Output: Supports wired-AND logic, enabling easy interfacing with other components.
5. High Speed: Response time of less than 200 ns for quick signal processing.
6. Low Power Consumption: Draws minimal current, suitable for battery-powered applications.
7. Temperature Range: Rated for operation from -40°C to 125°C, making it suitable for harsh environments.
8. Automotive Qualified: Designed to meet AEC-Q100 standards, ensuring reliability in automotive applications.
These features make the LM2903VQDRQ1 suitable for various applications, including voltage level detection, window comparators, and more.

Package

The LM2903VQDRQ1 is packaged in a VQFN (Very Thin Quad Flat No-lead) package. This package type is designed for surface mounting and provides a compact footprint suitable for integrated circuit applications.

Pinout

The LM2903VQDRQ1 is a dual comparator integrated circuit with a total of 8 pins.
Pin count and functions:
1. Pin 1 (Inverting Input A) - Inputs the signal to be compared against reference voltage for comparator A.
2. Pin 2 (Non-inverting Input A) - Reference voltage input for comparator A.
3. Pin 3 (Output A) - Outputs the comparison result for comparator A.
4. Pin 4 (Ground) - Connects to the ground (0V) of the circuit.
5. Pin 5 (Non-inverting Input B) - Inputs the reference voltage for comparator B.
6. Pin 6 (Inverting Input B) - Inputs the signal to be compared against reference voltage for comparator B.
7. Pin 7 (Output B) - Outputs the comparison result for comparator B.
8. Pin 8 (Vcc) - Power supply pin, typically connected to a positive voltage.
The LM2903 is designed for low-voltage operation and is suitable for various applications, including signal processing, level detection, and more.

Manufacturer

The LM2903VQDRQ1 is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company headquartered in Dallas, Texas. It specializes in producing a wide range of analog and digital semiconductor solutions, including integrated circuits (ICs), microcontrollers, processors, and sensing technologies. TI serves various industries such as automotive, industrial, communications, and consumer electronics, focusing on innovation and high-performance products. The company is well-known for its commitment to quality, reliability, and customer support in the electronics market.

Application

The LM2903VQDRQ1 is a dual comparator used in various applications, including automotive systems, industrial automation, and consumer electronics. It is ideal for voltage level detection, signal conditioning, and waveform shaping. Common uses include temperature monitoring, over-voltage protection, and as part of feedback loops in power supplies. Its robustness and low power consumption make it suitable for battery-operated devices and energy-efficient designs.

Equivalent

The LM2903VQDRQ1 is a dual comparator. Equivalent products include the LM393 (dual comparator), MCP6541 (single comparator), and the TLV3701 (single comparator). Other alternatives may include the LMV7219 and MAX9030 series for similar applications, though specifications may vary. Always check the datasheets for compatibility with your requirements.

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FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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