LM2901M

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LM2901M

+BOM

IC COMPARATOR 4 GEN PUR 14SOP

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Specifications

Attribute Value
PartStatus Obsolete
BaseProductNumber LM2901
Type Standard (General Purpose)
NumberofElements 4
OutputType DTL, MOS, Open-Collector, TTL
Voltage-Supply,Single/Dual(±) 2V ~ 36V, ±1V ~ 18V
Voltage-InputOffset(Max) 7mV @ 5V
Current-InputBias(Max) 0.25µA @ 5V
Current-Output(Typ) 18mA @ 5V
Current-Quiescent(Max) 2.5mA
OperatingTemperature -40°C ~ 85°C
Package 14-SOIC (0.154", 3.90mm Width)
MountingType Surface Mount
SupplierDevicePackage 14-SOP
Packaging Tube

Overview

Description

The LM2901M is a quad differential comparator integrated circuit. It contains four independent voltage comparators designed specifically for applications in consumer, automotive, and industrial electronics. The device operates over a wide range of supply voltages, from single 2V to dual ±18V systems, making it versatile for various power supply configurations.
Key features of the LM2901M include low input bias current, low offset voltage, and high gain. It can operate with single or split power supplies and is capable of sensing signals near ground, which is advantageous in low-voltage applications. The comparators have an open-collector output stage, allowing for wired-AND configurations and level shifting with external pull-up resistors.
The LM2901M is commonly used in applications such as zero-crossing detectors, voltage-level sensing, and pulse-width modulation. Its compact SOIC-14 package makes it suitable for space-constrained designs. Overall, the LM2901M is valued for its versatility, reliability, and ease of use in a wide array of electronic applications.

Equivalent

The LM2901M is a quad comparator IC. Equivalent products include the LM339 LM339N, LM2901, LM3302, and LM393These comparators are typically interchangeable in circuits, provided that the electrical characteristics and packaging meet the requirements of your application. Always verify the specifications and pin configurations to ensure compatibility.

Features

The LM2901M is a quad differential comparator integrated circuit. Key features include:
1. Quad Comparators: Contains four independent voltage comparators.
2. Wide Supply Voltage Range: Operates from 2V to 36V for single supply and ±1V to ±18V for dual supplies.
3. Low Supply Current: Low power consumption, which enhances efficiency.
4. Open-Collector Output: Allows for wired-AND connections and can interface with various logic families.
5. Wide Input Common-Mode Voltage Range: Includes ground, making it versatile for different applications.
6. Low Input Bias Current: Typically around 25nA, suitable for precision applications.
7. Low Input Offset Voltage: Ensures accurate performance with typical values around 2mV.
8. Temperature Range: Supports a broad operating temperature range for industrial applications.
9. Output Compatible with TTL, MOS, and CMOS Logic: Provides flexibility in interfacing with different digital logic families.
These features make the LM2901M suitable for a variety of applications, including signal processing, voltage level detection, and other comparator-based applications.

Pinout

The LM2901M is a quad voltage comparator integrated circuit. It typically comes in an SOIC-14 (Small Outline Integrated Circuit) package, meaning it has 14 pins. The key functions of the LM2901M include comparing input voltage levels and providing a digital output based on those comparisons. Here is a brief overview of its pin configuration and functions:
1. Pins 1, 2, 3, 5, 6, 7, 8, 10, 11, 12, 13: These pins are used for the inverting and non-inverting inputs of the four comparators. Each comparator has one inverting (-) and one non-inverting (+) input.
2. Pins 4 and 11: These are the ground (GND) and positive supply voltage (VCC) pins, respectively. Ground is connected to a common reference point, while VCC supplies power to the IC.
3. Pins 1, 2, 3, and 4 (outputs): Each comparator provides an open-collector digital output, which can be connected to other digital logic circuits or used to drive loads based on the comparison result.
In summary, the LM2901M is designed for use in applications that require multiple voltage comparisons, such as in sensor interfacing, analog-to-digital conversion, and threshold detection systems.

Manufacturer

The LM2901M is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which are used in a wide array of electronics. TI is renowned for its contributions to the development of analog and embedded processing products. The company's products are essential components in devices across various industries, including automotive, consumer electronics, communications, and industrial applications. TI is recognized for its innovation and has a strong presence in both the design and production of semiconductor technologies.

Application

The LM2901M is a quad voltage comparator commonly used in applications requiring signal comparison. It is employed in operational amplifier circuits for tasks such as zero-crossing detectors, pulse-width modulation, and analog-to-digital conversion. The device is suitable for battery-operated devices due to its low power consumption. It is also used in sensor interfacing, threshold detectors, and waveform generators. Additionally, the LM2901M finds applications in industrial and automotive systems for voltage level monitoring and as a part of control systems due to its wide common-mode voltage range and capability to operate over a broad temperature range.

Package

The LM2901M is a quad comparator IC available in a surface-mount SOIC-14 (Small Outline Integrated Circuit) package.

Frequently Asked Questions


Q: Can the LM2901M operate with a single 5V supply?
A: Yes, it operates from a single supply as low as 2V up to 36V, making 5V operation fully supported.


Q: What output types does the LM2901M support?
A: It features an open-collector output, compatible with DTL, MOS, and TTL logic families.


Q: What is the typical input offset voltage at 5V?
A: The maximum input offset voltage is 7mV at 5V, ensuring reliable low-voltage comparison.


Q: Is this component suitable for automotive temperature environments?
A: The operating temperature range is -40°C to 85°C, making it ideal for industrial and some automotive applications.


Q: What is the typical quiescent current consumption?
A: The maximum quiescent current is 2.5mA, offering low power consumption for 4 comparators.


Q: Can it sink up to 18mA per output channel?
A: Yes, the typical output sink current is 18mA at 5V, suitable for driving loads or logic inputs.


Q: What is the maximum input bias current spec?
A: The maximum input bias current is 0.25μA at 5V, minimizing input loading.


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