Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Obsolete |
| Type | General Purpose |
| NumberofElements | 2 |
| Voltage-SupplySingle/Dual(±) | 2V ~ 36V, ±1V ~ 18V |
| Voltage-InputOffset(Max) | 5mV @ 5V |
| Current-InputBias(Max) | 0.25µA @ 5V |
| Current-Output(Typ) | 18mA @ 5V |
| Current-Quiescent(Max) | 2.5mA |
| OperatingTemperature | 0°C ~ 70°C |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
| MountingType | Surface Mount |
Overview
Description
The LM393MX is a dual voltage comparator integrated circuit designed for use in various electronic applications. It is part of the LM393 series and comes in a surface-mount package. The primary function of the LM393MX is to compare two input voltage levels and provide a digital output to indicate which input is higher. This component features low input offset voltage and low power consumption, making it suitable for battery-powered devices.
Key specifications of the LM393MX include a wide power supply range from 2V to 36V, low supply current, and an open-collector output which allows for wired-OR configurations. This IC is commonly used in level detection, signal conditioning, and waveform generation applications.
The LM393MX operates over a broad temperature range, typically from -40°C to 85°C, ensuring reliability in various environments. Its versatility and robustness make it a popular choice in consumer electronics, automotive, and industrial control systems.
Key specifications of the LM393MX include a wide power supply range from 2V to 36V, low supply current, and an open-collector output which allows for wired-OR configurations. This IC is commonly used in level detection, signal conditioning, and waveform generation applications.
The LM393MX operates over a broad temperature range, typically from -40°C to 85°C, ensuring reliability in various environments. Its versatility and robustness make it a popular choice in consumer electronics, automotive, and industrial control systems.
Equivalent
The LM393MX is a dual voltage comparator. Its equivalent products include the LM393LM339 LM2903, and LM393N. These alternatives provide similar functionality with dual comparator configurations and are often used in low-power and wide voltage range applications. When selecting an equivalent, consider package type, voltage range, and specific application requirements to ensure compatibility.
Features
The LM393MX is a dual voltage comparator that offers several key features. It operates with a wide supply voltage range from 2V to 36V, making it versatile for various applications. The device is known for its low power consumption, which is advantageous in power-sensitive applications. It provides a common-mode input voltage range that includes ground and has an output compatible with a wide range of logic families. The LM393MX features low input offset voltage and low input bias current, which ensure accurate and reliable performance. It offers open-collector outputs, allowing for wired-AND configurations with multiple comparators. The device is capable of driving loads up to 50mA, and it typically exhibits fast response times suitable for high-speed applications. Its small SOIC-8 package makes it suitable for space-constrained designs. These features make the LM393MX ideal for applications in level shifting, signal conditioning, and data acquisition systems.
Pinout
The LM393MX is a dual differential comparator integrated circuit. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief description of its pin functions:
1. VCC (Pin 8): Power supply voltage.
2. GND (Pin 4): Ground.
3. INverting Input1 (Pin 2): Inverting input for comparator 1.
4. Non-INverting Input1 (Pin 3): Non-inverting input for comparator 1.
5. OUTput1 (Pin 1): Output of comparator 1.
6. INverting Input2 (Pin 6): Inverting input for comparator 2.
7. Non-INverting Input2 (Pin 5): Non-inverting input for comparator 2.
8. OUTput2 (Pin 7): Output of comparator 2.
The LM393MX is designed to operate from a wide range of power supply voltages and can compare two voltages and provide a digital output indicating which is higher. It is commonly used in applications like voltage comparisons, zero-crossing detectors, and in circuits requiring a differential input and single-ended output.
1. VCC (Pin 8): Power supply voltage.
2. GND (Pin 4): Ground.
3. INverting Input1 (Pin 2): Inverting input for comparator 1.
4. Non-INverting Input1 (Pin 3): Non-inverting input for comparator 1.
5. OUTput1 (Pin 1): Output of comparator 1.
6. INverting Input2 (Pin 6): Inverting input for comparator 2.
7. Non-INverting Input2 (Pin 5): Non-inverting input for comparator 2.
8. OUTput2 (Pin 7): Output of comparator 2.
The LM393MX is designed to operate from a wide range of power supply voltages and can compare two voltages and provide a digital output indicating which is higher. It is commonly used in applications like voltage comparisons, zero-crossing detectors, and in circuits requiring a differential input and single-ended output.
Manufacturer
The LM393MX is a dual voltage comparator manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is a leading company in the electronics industry, well-known for its broad array of products that serve sectors such as automotive, industrial, personal electronics, communications, and enterprise systems. TI’s products are used in a variety of applications, including data converters, amplifiers, embedded processors, and other analog and digital semiconductor technologies. The firm is recognized for its innovation and contributions to the development and advancement of electronic devices globally.
Application
The LM393MX is a dual comparator IC commonly used in various applications where voltage comparison is needed. Typical application areas include:
1. Voltage Comparators: Used in circuits requiring voltage level monitoring and threshold detection.
2. Zero-Crossing Detectors: For identifying when an AC waveform crosses zero voltage.
3. Oscillators: Forms part of relaxation oscillators for generating precise waveforms.
4. Analog-to-Digital Converters (ADCs): Interfaces analog signals to digital systems by comparing voltages.
5. Sensor Interface: Processes signals from sensors by comparing sensed voltage to reference levels.
6. Overvoltage Protection: Monitors and protects circuits from overvoltage conditions.
7. Pulse Width Modulation (PWM): Controls signal modulation by comparing input signals.
These applications benefit from its low power consumption and wide supply voltage range.
1. Voltage Comparators: Used in circuits requiring voltage level monitoring and threshold detection.
2. Zero-Crossing Detectors: For identifying when an AC waveform crosses zero voltage.
3. Oscillators: Forms part of relaxation oscillators for generating precise waveforms.
4. Analog-to-Digital Converters (ADCs): Interfaces analog signals to digital systems by comparing voltages.
5. Sensor Interface: Processes signals from sensors by comparing sensed voltage to reference levels.
6. Overvoltage Protection: Monitors and protects circuits from overvoltage conditions.
7. Pulse Width Modulation (PWM): Controls signal modulation by comparing input signals.
These applications benefit from its low power consumption and wide supply voltage range.
Package
The LM393MX is a dual voltage comparator packaged in an SOIC-8 (Small Outline Integrated Circuit) form. The "MX" suffix indicates the SOIC package, which typically has a gull-wing lead configuration and is commonly used for surface mounting on printed circuit boards.