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LM2901DR2G

Name: LM2901DR2G
Rating: 4.7 (12 reviews)

IC COMP QUAD SGL SUPPLY 14SOIC

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包 SOIC-14
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規格

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
Type	General Purpose
NumberofElements	4
OutputType	CMOS, Open-Collector, TTL
Voltage-SupplySingle/Dual(±)	3V ~ 36V, ±1.5V ~ 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 ~ 105°C
Package/Case	14-SOIC (0.154, 3.90mm Width)
MountingType	Surface Mount

概述

Description

The LM2901DR2G is a quad comparator integrated circuit (IC) designed for use in various applications requiring signal comparison. It features four independent, high-gain, and voltage-compensated comparators, making it suitable for tasks like zero-crossing detection, voltage level detection, and analog signal processing.
Key specifications include a wide supply voltage range of 2 to 36 volts, low input bias current, and a fast response time with a typical propagation delay of 300 ns. The LM2901 is characterized by a low input offset voltage, ensuring accurate comparisons between input signals.
The device is housed in a surface-mount package (SOIC-14), making it ideal for compact designs. Its open-collector output configuration allows for easy interfacing with various logic levels and pull-up resistors.
Overall, the LM2901DR2G is widely used in automotive, industrial, and consumer applications due to its reliability and performance in analog signal processing tasks.

Features

The LM2901DR2G is a quad comparator IC featuring four independent, high-gain voltage comparators. Key features include:
1. Wide Supply Voltage Range: Operates from a single supply of 2V to 36V or dual supplies of ±1V to ±18V.
2. Low Input Bias Current: Input bias current is typically 100 nA, which is beneficial for high-impedance applications.
3. High-Speed Operation: Offers a response time of less than 1 µs with a 100 mV input step and a gain bandwidth product of 1 MHz.
4. Output Compatibility: The output can drive TTL or CMOS logic levels, making it versatile for various applications.
5. Low Power Consumption: Typical supply current is around 700 µA per comparator, enhancing efficiency.
6. Hysteresis Option: Can be configured for hysteresis, improving noise immunity in applications.
7. Temperature Range: Rated for operation over a temperature range of -40°C to +125°C.
Ideal for applications in signal processing, analog-to-digital conversion, and voltage level detection.

Package

The LM2901DR2G is packaged in an SOIC-8 (Small Outline Integrated Circuit) format, which features eight pins and is suitable for surface mount applications.

Pinout

The LM2901DR2G is a quad comparator integrated circuit (IC) that features a total of 14 pins. It consists of four independent, high-gain, frequency-compensated, voltage comparators. The primary function of each comparator is to compare two input voltage levels and output a high or low signal based on the comparison.
The pin configuration includes:
1. Inverting Inputs (Pins 2, 6, 10, 14): Connect to the negative input of each comparator.
2. Non-inverting Inputs (Pins 3, 7, 11, 13): Connect to the positive input of each comparator.
3. Output Pins (Pins 1, 5, 9, 12): Provide the output signal of each comparator.
4. Supply Voltage Pins (Pins 4 and 11): Connect to the positive power supply (V+).
5. Ground Pins (Pins 8 and 7): Connect to ground.
The LM2901DR2G operates over a wide voltage range and is commonly used in applications such as signal conditioning, voltage level detection, and analog-to-digital conversion.

Manufacturer

The LM2901DR2G is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments specializes in the design and production of semiconductors and various electronic components, including analog, digital signal processing, and embedded processing products. Founded in 1930, TI is well-known for its innovation in the semiconductor industry and serves a wide range of markets, including automotive, industrial, communications, and consumer electronics. The LM2901 is a quad comparator, widely used in electronic circuits for signal comparison and processing applications. TI is recognized for its commitment to quality and technological advancement in the electronics sector.

Application

The LM2901DR2G is a quad comparator used in various applications, including signal conditioning, level detection, voltage monitoring, and analog-to-digital conversion. It's commonly employed in automotive, industrial, and consumer electronics for tasks such as temperature sensing, over-voltage protection, and threshold detection in control systems. Its low power consumption and versatility make it suitable for battery-operated devices and portable applications.

Equivalent

The LM2901DR2G is a quad comparator. Equivalent products include:
1. LM339 - Quad comparator, open-collector outputs.
2. TLV3701 - Low-power quad comparator with rail-to-rail output.
3. MAX9001 - Ultra-fast quad comparator.
4. LM393 - Dual comparator (for applications needing fewer channels).
5. LMV7211 - Low-voltage, quad comparator.
Always check specific datasheets for compatibility in terms of voltage range, speed, and package type.