LM393P

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LM393P

+BOM

IC DUAL DIFF COMP 8-DIP

  • 제조업체텍사스 인스트루먼트(주)

  • 제조업체 부품 #LM393P

  • 데이터시트 LM393P DataSheet

  • 패키지 PDIP-8

  • 재고2152

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사양

속성 가치
Package / Case Bulk,Tube
Part Status Active
Type Differential
Number of Elements 2
Output Type CMOS, MOS, Open-Drain, TTL
Voltage - Supply, Single/Dual (±) 2V ~ 36V, ±1V ~ 18V
Voltage - Input Offset (Max) 5mV @ 30V
Current - Input Bias(Max) 0.25µA @ 5V
Current - Output (Typ) 20mA
Current - Quiescent (Max) 2.5mA
Operating Temperature 0°C ~ 70°C
Mounting Type Through Hole

개요

Description

The LM393P is a dual voltage comparator integrated circuit commonly used in electronics for comparing voltage levels. It features two independent voltage comparators that can operate from a single power supply or dual supplies, making it versatile for various applications. Each comparator in the LM393P has a wide supply voltage range, typically from 2V to 36V, and can accommodate both TTL and CMOS logic levels.
The key advantage of the LM393P is its low power consumption, making it suitable for battery-operated devices. It also has low input bias current, which enhances its sensitivity and accuracy. The open-collector output allows it to drive loads connected to a different voltage level, providing flexibility in interfacing with other components.
Common applications for the LM393P include zero-crossing detectors, voltage monitoring circuits, and simple analog-to-digital converters. Its robust performance, coupled with a wide operating temperature range, makes it a reliable choice for many electronic designs. Overall, the LM393P is valued for its simplicity, efficiency, and versatile functionality in comparing voltage levels in various circuits.

Equivalent

The LM393P is a dual voltage comparator. Equivalent products include the LM393N, LM393D, and LM393AN. Other equivalents are the LM393 by various manufacturers like Texas Instruments and STMicroelectronics, as well as the MC3302, TI's TLV1702, and the MAX9025. Always check the datasheet to confirm compatibility in terms of specifications and pin configurations.

Features

The LM393P is a dual voltage comparator with the following key features:
1. Dual Comparators: It includes two independent voltage comparators in a single package, which can operate from a single supply or dual supplies.
2. Wide Supply Voltage Range: Operates from 2V to 36V for a single supply and ±1V to ±18V for dual supplies, providing flexibility for various applications.
3. Low Input Offset Voltage: Offers a low input offset voltage, enhancing accuracy in voltage comparison.
4. Low Supply Current: Consumes minimal power, approximately 0.4 mA, making it suitable for battery-operated devices.
5. Open-Collector Outputs: Allows for wired-AND connections and level shifting, adding to design versatility.
6. Wide Common-Mode and Differential Voltage Ranges: Supports inputs that range from ground to VCC-1.5V, enabling it to handle a variety of input signals.
7. Low Input Bias Current: Minimizes the current drawn from the input source.
8. Temperature Range: Functions effectively over industrial temperature ranges, typically from 0°C to +70°C.
These features make the LM393P suitable for a wide range of applications, including zero-crossing detectors, voltage level shifters, and signal processing systems.

Pinout

The LM393P is a dual differential comparator integrated circuit. It typically comes in an 8-pin dual in-line package (DIP). Here is a brief overview of its pin configuration and functions:
1. Pin 1 (Output 1): This is the output for 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 (VCC- or Ground): This is the negative supply voltage or ground.
5. Pin 5 (Non-Inverting Input 2): Non-inverting input for the second comparator.
6. Pin 6 (Inverting Input 2): Inverting input for the second comparator.
7. Pin 7 (Output 2): This is the output for the second comparator.
8. Pin 8 (VCC+): This is the positive supply voltage.
The LM393P is used for comparing voltages, where the output indicates which of the two input voltages is higher. It's commonly used in zero-crossing detectors, oscillators, and general voltage comparator applications.

Manufacturer

The LM393P is a dual voltage comparator manufactured by multiple companies, including Texas Instruments, ON Semiconductor, and STMicroelectronics, among others. These companies are all major players in the semiconductor industry:
1. Texas Instruments (TI): TI is a global technology company headquartered in Dallas, Texas. It designs and manufactures semiconductors and various integrated circuits for a wide range of applications, including analog and embedded processing products.
2. ON Semiconductor: Now known as onsemi, it is a leading supplier of semiconductor-based solutions, offering a comprehensive portfolio of energy-efficient power and signal management, logic, discrete, and custom devices.
3. STMicroelectronics: Based in Geneva, Switzerland, STMicroelectronics is one of the world's largest semiconductor companies, providing products for a variety of electronic applications, including industrial, automotive, and consumer electronics.
The LM393P is widely used in various electronic applications due to its capability to operate on a wide range of voltages and its low power consumption. The availability from multiple manufacturers makes it a versatile and reliable choice for designers in the electronics industry.

Application

The LM393P is a dual voltage comparator commonly used in various applications. It is employed in sensor interfacing to detect changes in environmental conditions, such as temperature and light. The device is also used in zero-crossing detectors for AC signal processing. It serves in analog-to-digital conversion processes and as a part of oscillator circuits. In power management systems, the LM393P is utilized for voltage level detection and battery monitoring. Additionally, it is found in motor control circuits to provide feedback and protection. Its versatility and low power consumption make it suitable for integration into consumer electronics and automotive systems.

Package

The LM393P is typically available in a Dual Inline Package (DIP), specifically an 8-pin DIP. It is an operational amplifier with two independent voltage comparators. This package type is often preferred for through-hole mounting on circuit boards.