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LM2901PT

Name: LM2901PT
Rating: 4.7 (12 reviews)

IC COMPARATOR 4 GEN PUR 14TSSOP

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規格

Part Status	Obsolete
Base Product Number	LM2901
Type	Standard (General Purpose)
Number of Elements	4
Output Type	CMOS, MOS, Open-Collector, TTL
Voltage - Supply, Single/Dual (±)	2V ~ 36V, ±1V ~ 18V
Voltage - Input Offset (Max)	7mV @ 5V
Current - Input Bias (Max)	0.25µA @ 5V
Current - Output (Typ)	16nA @ 5V
Current - Quiescent (Max)	2mA
Operating Temperature	-40°C ~ 125°C
Package	14-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
Packaging	Tape & Reel (TR)

概述

Description

The LM2901PT is a quad comparator integrated circuit (IC) designed to compare voltages and produce a digital output based on the comparison. It features four independent, high-gain, and internally compensated voltage comparators. This IC operates on a wide supply voltage range (typically from 3V to 32V) and can handle input voltages from 0V to Vcc, making it versatile for various applications.
The LM2901PT is known for its low power consumption and high-speed performance, with a response time of around 200 ns. It is often used in applications such as zero-cross detection, level shifting, and analog signal processing. The IC's open-collector output allows it to interface with various logic levels, adding to its flexibility.
In terms of packaging, the LM2901PT is available in a 14-pin plastic dual in-line package (DIP), facilitating easy integration into circuit designs. Overall, the LM2901PT is a reliable choice for engineers needing a compact, efficient solution for voltage comparison in electronic systems.

Features

The LM2901PT is a quad comparator integrated circuit featuring four independent voltage comparators. Key features include:
1. Low Input Offset Voltage: Typically 2 mV, ensuring high accuracy in signal comparison.
2. Wide Supply Voltage Range: Operates from a single supply of 2 to 36 V or dual supplies of ±1 to ±18 V.
3. High Speed: Offers a fast response time with a typical propagation delay of 1.3 μs.
4. Open-Collector Output: Allows for wired-AND configurations, which enhances flexibility in circuit design.
5. Low Power Consumption: Consumes minimal power, making it suitable for battery-operated devices.
6. Wide Temperature Range: Rated for operation from -40°C to +125°C, ensuring reliability in various environments.
7. Compatible with TTL Logic Levels: Works well with TTL and CMOS logic circuits.
The LM2901PT is ideal for applications such as voltage level detection, analog signal processing, and general-purpose signal comparison tasks.

Package

The LM2901PT is available in a plastic Dual In-Line Package (DIP) with 14 pins. It is designed for surface mounting and typically comes in a TSSOP (Thin Shrink Small Outline Package) format as well.

Pinout

The LM2901PT is a quad comparator IC with a total of 14 pins. Its primary function is to compare two voltage levels and output a high or low signal based on the comparison result. The key features of the pinout are:
1. Pin 1: Output 1
2. Pin 2: Inverting Input 1 (-)
3. Pin 3: Non-inverting Input 1 (+)
4. Pin 4: V- (Ground)
5. Pin 5: Offset Null
6. Pin 6: Output 2
7. Pin 7: Inverting Input 2 (-)
8. Pin 8: Non-inverting Input 2 (+)
9. Pin 9: V+ (Supply Voltage)
10. Pin 10: Output 3
11. Pin 11: Inverting Input 3 (-)
12. Pin 12: Non-inverting Input 3 (+)
13. Pin 13: Output 4
14. Pin 14: Inverting Input 4 (-)
The LM2901PT operates with a wide supply voltage range and offers low power consumption, making it suitable for various analog applications.

Manufacturer

The LM2901PT is manufactured by Texas Instruments (TI), a global semiconductor company. Texas Instruments is known for designing and manufacturing a wide range of electronic components and integrated circuits, including analog, digital signal processing, and embedded processing solutions. Founded in 1930 and based in Dallas, Texas, TI serves various industries, including automotive, industrial, communications, and consumer electronics. The LM2901PT is a quad comparator, widely used in applications requiring signal comparison and processing. TI is recognized for its innovation and extensive portfolio of products that enable advancements in technology across multiple sectors.

Application

The LM2901PT is a quad comparator used in various applications such as voltage level detection, signal conditioning, zero-crossing detectors, and analog-to-digital conversion. It is commonly utilized in automotive systems, industrial automation, and consumer electronics for tasks like overvoltage protection, signal filtering, and waveform shaping. Its low power consumption and wide supply voltage range make it suitable for battery-operated devices as well.

Equivalent

The LM2901PT is a quad comparator. Equivalent products include the LM339 (quad comparator), LM393 (dual comparator), and LM comparators from other manufacturers like the MCP6541 (quad comparator) and TLV3701 (single comparator). Always check specific datasheets for pin configurations and electrical characteristics before substitution.