LM239PWR

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LM239PWR

IC QUAD DIFF COMPARATOR 14-TSSOP

  • Fabricant
  • Mfr. Partie #LM239PWR
  • Paquet TSSOP (PW)-14
  • Fiche de données
  • En stock6897

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Spécifications

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Differential
NumberofElements 4
OutputType CMOS, MOS, Open-Collector, TTL
Voltage-SupplySingle/Dual(±) 2V ~ 30V, ±1V ~ 15V
Voltage-InputOffset(Max) 5mV @ 30V
Current-InputBias(Max) 0.25µA @ 5V
Current-Output(Typ) 20mA
Current-Quiescent(Max) 2mA
OperatingTemperature -25°C ~ 85°C
Package/Case 14-TSSOP (0.173, 4.40mm Width)
MountingType Surface Mount

Vue d'ensemble

Description

The LM239PWR is a quad comparator integrated circuit (IC) designed for high-speed and precision applications. It features four independent voltage comparators, each capable of operating from a single power supply, making it versatile for various electronic circuits. The LM239PWR has a wide operating voltage range, typically from 2 to 36 volts, and is known for its low power consumption and high speed, with a propagation delay of about 300 ns.
Key features include a high input impedance, low offset voltage, and the ability to handle both single-ended and differential inputs. Its open-collector output configuration allows for easy interfacing with other logic families. The device is commonly used in applications such as voltage level detection, signal processing, and analog-to-digital conversion.
The "PWR" suffix indicates the package type, which is typically a surface-mount package (SOIC-14) suitable for automated assembly. Overall, the LM239PWR is widely used in industrial, automotive, and consumer electronics for its reliability and performance.

Features

The LM239PWR is a quad comparator integrated circuit from Texas Instruments, designed for high-speed applications. Key features include:
1. Quad Configuration: Contains four independent voltage comparators in a single package, allowing for multiple comparisons in one IC.

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: Typical response time is 300 ns, making it suitable for fast signal processing.
4. Low Input Offset Voltage: Input offset voltage is typically 2 mV, enhancing precision in comparisons.
5. Open-Collector Output: Allows for wired-AND logic configurations and easy interfacing with various logic levels.
6. Temperature Range: Operating temperature range from -40°C to 125°C, suitable for industrial applications.
7. Low Power Consumption: Consumes only 1.5 mA per comparator, making it efficient for battery-operated devices.
These features make the LM239PWR ideal for applications in signal conditioning, data acquisition, and threshold detection.

Package

The LM239PWR is offered in a TSSOP-14 (Thin Shrink Small Outline Package) package type.

Pinout

The LM239PWR is a quad comparator integrated circuit with a pin count of 14. It features four independent, high-speed voltage comparators. Each comparator has an open-collector output, which allows for wired-AND logic configurations.
Pin Functions:
1. Pin 1 (Output 1) - Output of the first comparator.
2. Pin 2 (Inverting Input 1) - Inverting input for the first comparator.
3. Pin 3 (Non-Inverting Input 1) - Non-inverting input for the first comparator.
4. Pin 4 (V- or Ground) - Negative power supply or ground.
5. Pin 5 (Inverting Input 2) - Inverting input for the second comparator.
6. Pin 6 (Non-Inverting Input 2) - Non-inverting input for the second comparator.
7. Pin 7 (Output 2) - Output of the second comparator.
8. Pin 8 (Output 3) - Output of the third comparator.
9. Pin 9 (Non-Inverting Input 3) - Non-inverting input for the third comparator.
10. Pin 10 (Inverting Input 3) - Inverting input for the third comparator.
11. Pin 11 (Inverting Input 4) - Inverting input for the fourth comparator.
12. Pin 12 (Non-Inverting Input 4) - Non-inverting input for the fourth comparator.
13. Pin 13 (Output 4) - Output of the fourth comparator.
14. Pin 14 (V+) - Positive power supply.
This configuration makes it suitable for various applications including voltage level detection and signal conditioning.

Manufacturer

The LM239PWR is manufactured by Texas Instruments (TI), a leading American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits. Founded in 1930, TI is known for its innovations in analog and digital signal processing, including operational amplifiers, microcontrollers, and embedded processors. The company serves a wide range of industries, including automotive, telecommunications, industrial, and consumer electronics. TI is recognized for its commitment to research and development, providing reliable, high-performance products used in numerous applications worldwide.

Application

The LM239PWR is a quad comparator used in various applications including voltage level detection, signal conditioning, and analog-to-digital converters. It is ideal for zero-crossing detectors, pulse-width modulation, and over-voltage or under-voltage protection circuits. Additionally, it finds use in oscillators, waveform shaping, and as a comparator in control systems. Its low power consumption makes it suitable for battery-operated devices.

Equivalent

The LM239PWR is a quad comparator. Equivalent products include the LM393 (dual comparator), LM339 (quad comparator with open-collector output), and the TLC3702 (quad comparator with low power consumption). Other alternatives are the MCP6561 (single comparator) and the MAX comparators like MAX9014 (high-speed). Always check specific electrical characteristics and pin configurations for compatibility.

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