LM2903YDT

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LM2903YDT

IC VOLT COMPARATOR DUAL 8-SOIC

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Spécifications

Package Tape & Reel (TR),Cut Tape (CT)
Series Automotive, AEC-Q100
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 @ 5V
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

Vue d'ensemble

Description

The LM2903YDT is a dual comparator integrated circuit designed for use in a variety of applications, including signal conditioning, data acquisition, and voltage level detection. It features two independent voltage comparators with high input impedance and low output impedance, making it suitable for interfacing with various signal sources.
Key specifications include a wide supply voltage range (typically 2 to 36 V), low input offset voltage, and fast response times. The output can be configured in open-collector mode, allowing for versatility in output signaling, which can be used for driving LEDs or interfacing with other digital circuits.
The LM2903YDT is housed in a surface-mount package (SOIC), which is ideal for compact designs. Its robustness and ease of use make it a popular choice for both hobbyists and professionals in electronic circuit design. Overall, the LM2903YDT is a reliable component for implementing comparator functions in numerous electronic applications.

Features

The LM2903YDT is a dual comparator integrated circuit designed for a variety of applications. Key features include:
1. Dual Comparator: Contains two independent, high-gain voltage comparators.
2. Wide Supply Voltage Range: Operates with a supply voltage from 2V to 36V, suitable for various power supply configurations.
3. Low Input Offset Voltage: Typically 2 mV, ensuring accurate comparisons.
4. High Speed: Fast response time with a typical propagation delay of 250 ns, making it suitable for fast signal processing.
5. Output Stage: Open-collector outputs allow for wired-AND connections, enhancing versatility in digital logic applications.
6. Temperature Range: Operates over a wide temperature range of -40°C to +125°C, suitable for industrial applications.
7. Low Power Consumption: Consumes minimal power, enhancing efficiency in battery-operated devices.
The LM2903YDT is ideal for applications such as voltage level detection, waveform shaping, and timing circuits.

Package

The LM2903YDT is packaged in a TSSOP (Thin Shrink Small Outline Package) with 8 pins.

Pinout

The LM2903YDT is a dual comparator integrated circuit from Texas Instruments, featuring a total of 8 pins. The primary function of the LM2903 is to compare two voltage levels and output a digital signal indicating which is higher. It operates with a wide supply voltage range, making it suitable for various applications, including voltage level detection, zero-crossing detection, and waveform shaping.
Pin Configuration:
1. Pin 1 (Output A) - Output for the first comparator.
2. Pin 2 (Inverting Input A) - Inverting input for the first comparator.
3. Pin 3 (Non-Inverting Input A) - Non-inverting input for the first comparator.
4. Pin 4 (V- / GND) - Negative supply voltage or ground.
5. Pin 5 (Non-Inverting Input B) - Non-inverting input for the second comparator.
6. Pin 6 (Inverting Input B) - Inverting input for the second comparator.
7. Pin 7 (Output B) - Output for the second comparator.
8. Pin 8 (V+ / Vcc) - Positive supply voltage.
The LM2903 is widely used in electronic circuits requiring high-speed and low-power comparisons.

Manufacturer

The LM2903YDT is manufactured by Texas Instruments (TI), an American technology company that designs and produces semiconductors and various integrated circuits. Founded in 1930, Texas Instruments is a leader in the analog and digital signal processing sectors and is known for its innovations in microcontrollers, processors, and other electronic components. The company primarily serves industries such as telecommunications, automotive, industrial, and consumer electronics, providing solutions that enable smarter and more efficient electronic devices. TI's commitment to research and development has established it as a key player in the global semiconductor market.

Application

The LM2903YDT is a dual comparator used in various applications, including voltage level detection, zero-crossing detection, oscillator circuits, and signal conditioning. It is commonly employed in automotive, industrial, and consumer electronics for tasks such as temperature monitoring, battery management systems, and analog signal processing. Its low power consumption and wide supply voltage range make it suitable for portable and low-power applications.

Equivalent

The LM2903YDT is a dual comparator. Equivalent products include the LM393, LM2901, MCP6002, and the TLC3702. These alternatives may vary in specifications such as supply voltage, output type, and speed, so it’s important to verify specific requirements when selecting a substitute.

Expédition

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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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