Specifications
| Attribute | Value |
| Package / Case | Tube |
| Part Status | Obsolete |
| Type | General Purpose |
| Number of Elements | 2 |
| Output Type | CMOS, DTL, ECL, MOS, Open-Collector, TTL |
| Voltage - Supply, Single/Dual (±) | 2V ~ 36V, ±1V ~ 18V |
| Voltage - Input Offset (Max) | 2mV @ 30V |
| Current - Input Bias(Max) | 0.1µA @ 5V |
| Current - Output (Typ) | 18mA @ 5V |
| Current - Quiescent (Max) | 2.5mA |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Through Hole |
Overview
Description
The LM393AN is a dual voltage comparator integrated circuit commonly used in electronic applications. It features two independent voltage comparators that can operate from a single power supply or split power supply. The LM393AN is designed to compare two voltages and output a digital signal indicating which voltage is higher. It is housed in an 8-pin dual in-line package (DIP).
Key features of the LM393AN include low input offset voltage, low power consumption, and wide supply voltage range, typically from 2V to 36V. It also has an open collector output, which allows multiple comparators to be connected in a wired-AND configuration.
The LM393AN is used in a variety of applications such as level shifters, zero-crossing detectors, and voltage sensing circuits. Its reliability and versatility make it a popular choice for both hobbyists and professionals working on analog signal processing tasks.
Key features of the LM393AN include low input offset voltage, low power consumption, and wide supply voltage range, typically from 2V to 36V. It also has an open collector output, which allows multiple comparators to be connected in a wired-AND configuration.
The LM393AN is used in a variety of applications such as level shifters, zero-crossing detectors, and voltage sensing circuits. Its reliability and versatility make it a popular choice for both hobbyists and professionals working on analog signal processing tasks.
Equivalent
The LM393AN is a dual voltage comparator. Equivalent products include the LM393 LM393N, LM2903, LM2903N, and LM358(though LM358 is technically an op-amp, it can often be used for similar applications). Other manufacturers offer similar comparators like the TI TLC393, ON Semiconductor's MC3303, and STMicroelectronics' TS393. Be sure to check the datasheets for compatibility and any specific requirements for your application.
Features
The LM393AN is a dual voltage comparator that features low power consumption, wide supply voltage range, and open-collector outputs. Key features include:
1. Dual Comparators: Two independent voltage comparators in one package.
2. Wide Supply Voltage Range: Operates from 2V to 36V, making it versatile for various applications.
3. Low Power Consumption: Suitable for battery-powered devices.
4. Open-Collector Outputs: Allows for wired-AND logic and level shifting.
5. Low Input Offset Voltage: Enhances precision in voltage comparison.
6. Low Input Bias Current: Minimizes errors in input signal processing.
7. Wide Common-Mode Range: Input common-mode voltage range includes ground, ideal for single-supply applications.
8. Fast Response Time: Ensures quick switching in comparison applications.
9. Temperature Range: Typically operates from 0°C to +70°C for commercial grade.
These features make the LM393AN suitable for tasks like zero-crossing detectors, voltage level shifting, and simple analog-to-digital conversions in various electronic devices.
1. Dual Comparators: Two independent voltage comparators in one package.
2. Wide Supply Voltage Range: Operates from 2V to 36V, making it versatile for various applications.
3. Low Power Consumption: Suitable for battery-powered devices.
4. Open-Collector Outputs: Allows for wired-AND logic and level shifting.
5. Low Input Offset Voltage: Enhances precision in voltage comparison.
6. Low Input Bias Current: Minimizes errors in input signal processing.
7. Wide Common-Mode Range: Input common-mode voltage range includes ground, ideal for single-supply applications.
8. Fast Response Time: Ensures quick switching in comparison applications.
9. Temperature Range: Typically operates from 0°C to +70°C for commercial grade.
These features make the LM393AN suitable for tasks like zero-crossing detectors, voltage level shifting, and simple analog-to-digital conversions in various electronic devices.
Pinout
The LM393AN is a dual voltage comparator IC with 8 pins. Its primary function is to compare two voltages and provide a digital output indicating which voltage is higher. Here is a concise description of the pin functions:
1. Pin 1 (Output 1): Output for comparator 1.
2. Pin 2 (Input Inverting 1): Inverting input for comparator 1.
3. Pin 3 (Input Non-Inverting 1): Non-inverting input for comparator 1.
4. Pin 4 (VCC- or GND): Ground or negative power supply.
5. Pin 5 (Input Non-Inverting 2): Non-inverting input for comparator 2.
6. Pin 6 (Input Inverting 2): Inverting input for comparator 2.
7. Pin 7 (Output 2): Output for comparator 2.
8. Pin 8 (VCC+): Positive power supply.
The LM393AN can operate over a wide range of voltages and is used in various applications like voltage level detection and zero-crossing detectors.
1. Pin 1 (Output 1): Output for comparator 1.
2. Pin 2 (Input Inverting 1): Inverting input for comparator 1.
3. Pin 3 (Input Non-Inverting 1): Non-inverting input for comparator 1.
4. Pin 4 (VCC- or GND): Ground or negative power supply.
5. Pin 5 (Input Non-Inverting 2): Non-inverting input for comparator 2.
6. Pin 6 (Input Inverting 2): Inverting input for comparator 2.
7. Pin 7 (Output 2): Output for comparator 2.
8. Pin 8 (VCC+): Positive power supply.
The LM393AN can operate over a wide range of voltages and is used in various applications like voltage level detection and zero-crossing detectors.
Manufacturer
The LM393AN is a dual voltage comparator, and multiple companies manufacture this component, including Texas Instruments, ON Semiconductor, and STMicroelectronics. These companies are all well-established in the semiconductor industry.
1. Texas Instruments (TI): Based in Dallas, Texas, TI is one of the largest semiconductor manufacturers globally. It produces a diverse range of products, including analog chips and embedded processors, and is known for its innovation and reliability.
2. ON Semiconductor: Now known as onsemi, this company is headquartered in Phoenix, Arizona. It focuses on energy-efficient electronics, providing solutions for automotive, industrial, cloud, and IoT applications.
3. STMicroelectronics: A multinational corporation with headquarters in Geneva, Switzerland, STMicroelectronics is a leading integrated device manufacturer. It serves a wide range of industries, including automotive, industrial, personal electronics, and communications.
Each of these companies specializes in designing and manufacturing semiconductor products, contributing to various technological advancements across multiple sectors.
1. Texas Instruments (TI): Based in Dallas, Texas, TI is one of the largest semiconductor manufacturers globally. It produces a diverse range of products, including analog chips and embedded processors, and is known for its innovation and reliability.
2. ON Semiconductor: Now known as onsemi, this company is headquartered in Phoenix, Arizona. It focuses on energy-efficient electronics, providing solutions for automotive, industrial, cloud, and IoT applications.
3. STMicroelectronics: A multinational corporation with headquarters in Geneva, Switzerland, STMicroelectronics is a leading integrated device manufacturer. It serves a wide range of industries, including automotive, industrial, personal electronics, and communications.
Each of these companies specializes in designing and manufacturing semiconductor products, contributing to various technological advancements across multiple sectors.
Application
The LM393AN is a dual voltage comparator commonly used in various electronic applications. Its application areas include:
1. Voltage Level Detection: Used to compare two voltages and output a digital signal based on the comparison.
2. Zero-Crossing Detectors: Essential in AC signal processing to identify zero voltage crossing points.
3. Oscillator Circuits: Employed in creating square wave generators.
4. Pulse Width Modulation (PWM): Utilized in controlling power delivery to devices.
5. Analog-to-Digital Conversion: Functions as part of ADC circuits by comparing input voltage against reference levels.
6. Sensor Interface: Converts analog signals from sensors to digital outputs.
7. Battery Management Systems: Monitors and manages battery charge and discharge cycles.
These features make the LM393AN versatile for a wide range of electronic designs.
1. Voltage Level Detection: Used to compare two voltages and output a digital signal based on the comparison.
2. Zero-Crossing Detectors: Essential in AC signal processing to identify zero voltage crossing points.
3. Oscillator Circuits: Employed in creating square wave generators.
4. Pulse Width Modulation (PWM): Utilized in controlling power delivery to devices.
5. Analog-to-Digital Conversion: Functions as part of ADC circuits by comparing input voltage against reference levels.
6. Sensor Interface: Converts analog signals from sensors to digital outputs.
7. Battery Management Systems: Monitors and manages battery charge and discharge cycles.
These features make the LM393AN versatile for a wide range of electronic designs.
Package
The LM393AN is a dual voltage comparator integrated circuit typically available in a standard 8-pin Dual In-line Package (DIP). This packaging is suitable for through-hole mounting on printed circuit boards.
