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LM2903DR2G

Name: LM2903DR2G
Rating: 4.7 (12 reviews)

IC COMP DUAL OFFSET LV 8SOIC

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製造商。部分 #LM2903DR2G
包 SOIC-8
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規格

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 ~ 105°C
Package/Case	8-SOIC (0.154, 3.90mm Width)
MountingType	Surface Mount

概述

Description

The LM2903DR2G is a dual comparator integrated circuit from Texas Instruments, designed to operate over a wide voltage range. It features two independent voltage comparators that can compare two input voltages and provide a digital output indicating which input is greater. The device operates with a single supply voltage from 2 to 36 V or dual supplies of ±1 V to ±18 V, making it versatile for various applications.
Key features include low input offset voltage, high speed, and high noise immunity, making it suitable for applications such as analog signal processing, voltage level detection, and waveform generation. The LM2903DR2G is available in a compact SOIC-8 package, facilitating easy integration into circuit designs. Its robust performance and reliability make it popular in consumer electronics, automotive applications, and industrial control systems. The device is compatible with TTL and CMOS logic, allowing easy interfacing with microcontrollers and other digital devices.

Features

The LM2903DR2G is a dual voltage comparator designed for various applications. Key features include:
1. Dual Comparator: Contains two independent, high-gain voltage comparators.
2. Wide Voltage Range: Operates from a single supply voltage of 2V to 36V or dual supplies of ±1V to ±18V.
3. Low Input Current: Typical input bias current is around 25 nA, minimizing loading effects on the input signal.
4. High Speed: Response time is typically 300 ns with a 5 mV overdrive.
5. Low Power Consumption: Consumes minimal power, making it suitable for battery-operated devices.
6. Temperature Range: Operates over a temperature range of -40°C to +125°C.
7. TTL-Compatible Outputs: Outputs are compatible with TTL logic levels.
8. No Latch-Up: Designed to prevent latch-up under normal conditions.
These features make the LM2903DR2G ideal for applications such as analog-to-digital converters, voltage level detection, and other signal processing tasks.

Package

The LM2903DR2G is packaged in a SOIC-8 (Small Outline Integrated Circuit) form factor. This surface-mount package features eight pins and is designed for compact and efficient circuit designs.

Pinout

The LM2903DR2G is a dual comparator integrated circuit (IC) with a pin count of 8. It features two independent, high-speed voltage comparators.
Pin Functions:
1. Pin 1 (Non-Inverting Input, Comparator 1): Connects to the non-inverting input of the first comparator.
2. Pin 2 (Inverting Input, Comparator 1): Connects to the inverting input of the first comparator.
3. Pin 3 (Output, Comparator 1): Provides the output of the first comparator.
4. Pin 4 (Ground): Connects to the ground of the circuit.
5. Pin 5 (Output, Comparator 2): Provides the output of the second comparator.
6. Pin 6 (Inverting Input, Comparator 2): Connects to the inverting input of the second comparator.
7. Pin 7 (Non-Inverting Input, Comparator 2): Connects to the non-inverting input of the second comparator.
8. Pin 8 (Vcc): Connects to the positive power supply.
The LM2903DR2G operates over a wide voltage range and is commonly used in various applications requiring voltage level detection.

Manufacturer

The LM2903DR2G is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits, including operational amplifiers, analog signal processing, and digital signal processing solutions. Founded in 1930, the company has evolved into a major player in the electronics industry, providing products used in a wide range of applications, including automotive, industrial, communications, and consumer electronics. TI is well-known for its innovative technologies and commitment to quality, making it a trusted supplier for engineers and manufacturers worldwide.

Application

The LM2903DR2G is a dual comparator primarily used in applications such as voltage level detection, zero-crossing detection, analog signal processing, and oscillators. It is suitable for automotive, consumer electronics, and industrial control systems where precise voltage comparisons are needed. Its low power consumption and wide supply voltage range make it ideal for battery-operated devices and low-voltage applications.

Equivalent

The LM2903DR2G is a dual comparator. Equivalent products include:
1. LM393 (dual comparator)
2. MCP6562 (dual comparator)
3. TLV3702 (dual comparator with lower supply voltage)
4. LMV7219 (dual comparator, rail-to-rail output)
Verify specifications such as supply voltage, output type, and package to ensure compatibility with your application.