사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| Type | General Purpose |
| NumberofElements | 2 |
| OutputType | CMOS, DTL, ECL, MOS, Open-Collector, TTL |
| Voltage-SupplySingle/Dual(±) | 2V ~ 36V, ±1V ~ 18V |
| Voltage-InputOffset(Max) | 5mV @ 30V |
| Current-InputBias(Max) | 0.25µA @ 5V |
| Current-Output(Typ) | 16mA @ 5V |
| Current-Quiescent(Max) | 2.5mA |
| OperatingTemperature | 0°C ~ 70°C |
| Package/Case | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) |
| MountingType | Surface Mount |
개요
Description
The LM393DMR2G is a dual voltage comparator integrated circuit (IC) manufactured by ON Semiconductor. It features two independent precision voltage comparators designed to operate from a single power supply over a wide range of voltages. These comparators are capable of operating with dual supplies as well. A key feature of the LM393DMR2G is its low power consumption with a typical supply current of 0.4 mA, making it suitable for battery-operated devices.
The IC can handle a wide range of input voltages, from ground to 30 volts, and has an output compatible with TTL, DTL, ECL, MOS, and CMOS logic systems. Its open-collector output structure allows it to interface with various logic levels. It is typically used in applications such as zero-crossing detectors, signal conditioning, and pulse width modulation circuits.
Packaged in a surface-mount SOIC-8 package, the LM393DMR2G is designed for compact applications. Its reliability and precision make it a popular choice for many electronic design projects requiring voltage comparison.
The IC can handle a wide range of input voltages, from ground to 30 volts, and has an output compatible with TTL, DTL, ECL, MOS, and CMOS logic systems. Its open-collector output structure allows it to interface with various logic levels. It is typically used in applications such as zero-crossing detectors, signal conditioning, and pulse width modulation circuits.
Packaged in a surface-mount SOIC-8 package, the LM393DMR2G is designed for compact applications. Its reliability and precision make it a popular choice for many electronic design projects requiring voltage comparison.
Equivalent
The LM393DMR2G is a dual voltage comparator. Equivalent products include:
1. LM393N by Texas Instruments
2. LM293 by STMicroelectronics
3. LMV393 by Texas Instruments
4. MC3302 by ON Semiconductor
5. TLC393 by Texas Instruments
These alternatives offer similar functionality and can be used in place of the LM393DMR2G, but ensure to check specific electrical and environmental parameters for compatibility in your application.
1. LM393N by Texas Instruments
2. LM293 by STMicroelectronics
3. LMV393 by Texas Instruments
4. MC3302 by ON Semiconductor
5. TLC393 by Texas Instruments
These alternatives offer similar functionality and can be used in place of the LM393DMR2G, but ensure to check specific electrical and environmental parameters for compatibility in your application.
Features
The LM393DMR2G is a dual voltage comparator integrated circuit. Some of its primary features include:
1. Dual Comparators: It contains two independent voltage comparators that can operate from a single or dual power supply.
2. Wide Supply Voltage Range: Operates from 2V to 36V (single supply) and ±1V to ±18V (dual supply).
3. Low Input Offset Voltage: Typically around 2mV, ensuring precise voltage comparison.
4. Low Input Bias Current: Approximately 25nA, which is beneficial for high-impedance circuits.
5. Open Collector Output: Enables wired AND connections and level shifting.
6. Low Power Consumption: Suitable for battery-operated devices.
7. Common Mode Input Voltage Range: Includes ground, allowing operation with zero differential input voltage.
8. Temperature Range: Operates between -40°C to 85°C, making it versatile for various environmental conditions.
9. Compact Package: Available in space-saving surface-mount packages, such as the SOIC-8.
These features make the LM393DMR2G suitable for applications requiring reliable voltage comparison, such as zero-crossing detectors, signal conditioning, and sensor interfacing.
1. Dual Comparators: It contains two independent voltage comparators that can operate from a single or dual power supply.
2. Wide Supply Voltage Range: Operates from 2V to 36V (single supply) and ±1V to ±18V (dual supply).
3. Low Input Offset Voltage: Typically around 2mV, ensuring precise voltage comparison.
4. Low Input Bias Current: Approximately 25nA, which is beneficial for high-impedance circuits.
5. Open Collector Output: Enables wired AND connections and level shifting.
6. Low Power Consumption: Suitable for battery-operated devices.
7. Common Mode Input Voltage Range: Includes ground, allowing operation with zero differential input voltage.
8. Temperature Range: Operates between -40°C to 85°C, making it versatile for various environmental conditions.
9. Compact Package: Available in space-saving surface-mount packages, such as the SOIC-8.
These features make the LM393DMR2G suitable for applications requiring reliable voltage comparison, such as zero-crossing detectors, signal conditioning, and sensor interfacing.
Pinout
The LM393DMR2G is a dual voltage comparator from ON Semiconductor. It features a total of 8 pins. The key functions of these pins are as follows:
1. VCC (Pin 8): Power supply pin for the IC.
2. GND (Pin 4): Ground pin.
3. Inputs (Pins 3, 5, 6, 7): Two pairs of inverting and non-inverting inputs for the two comparators.
- Comparator 1: Non-inverting input (Pin 3), Inverting input (Pin 2).
- Comparator 2: Non-inverting input (Pin 5), Inverting input (Pin 6).
4. Outputs (Pins 1, 7): The output pins for each comparator.
- Comparator 1: Output (Pin 1).
- Comparator 2: Output (Pin 7).
The LM393DMR2G operates by comparing the voltage levels at the non-inverting and inverting inputs and provides a digital output indicating which input is higher. It is commonly used in applications requiring low power and low offset voltage, such as voltage level detection and signal conditioning.
1. VCC (Pin 8): Power supply pin for the IC.
2. GND (Pin 4): Ground pin.
3. Inputs (Pins 3, 5, 6, 7): Two pairs of inverting and non-inverting inputs for the two comparators.
- Comparator 1: Non-inverting input (Pin 3), Inverting input (Pin 2).
- Comparator 2: Non-inverting input (Pin 5), Inverting input (Pin 6).
4. Outputs (Pins 1, 7): The output pins for each comparator.
- Comparator 1: Output (Pin 1).
- Comparator 2: Output (Pin 7).
The LM393DMR2G operates by comparing the voltage levels at the non-inverting and inverting inputs and provides a digital output indicating which input is higher. It is commonly used in applications requiring low power and low offset voltage, such as voltage level detection and signal conditioning.
Manufacturer
The LM393DMR2G is manufactured by ON Semiconductor. ON Semiconductor, now known as onsemi, is a leading supplier of semiconductor-based solutions. The company focuses on developing energy-efficient innovations and provides a wide range of products such as power and signal management, logic, discrete, and custom devices. Their products serve various markets, including automotive, industrial, cloud, medical, and more. Onsemi is recognized for its commitment to sustainability and technological advancement.
Application
The LM393DMR2G is a dual voltage comparator commonly used in various electronic applications. Key application areas include:
1. Voltage Comparisons: Used in circuits to compare two voltages and determine which is higher, often for threshold detection.
2. Zero-Crossing Detectors: Employed in AC signal processing to detect the zero-crossing point of signals.
3. Oscillators: Utilized in oscillator circuits for generating waveforms.
4. Pulse Width Modulation: Involved in PWM circuits for controlling motor speeds and LED brightness.
5. Analog-to-Digital Converters: Used as a part of ADC circuits for converting analog signals to digital.
6. Schmitt Triggers: Implemented in creating stable digital signals from noisy analog inputs.
These applications leverage the LM393DMR2G's ability to operate in a wide range of voltages with low power consumption.
1. Voltage Comparisons: Used in circuits to compare two voltages and determine which is higher, often for threshold detection.
2. Zero-Crossing Detectors: Employed in AC signal processing to detect the zero-crossing point of signals.
3. Oscillators: Utilized in oscillator circuits for generating waveforms.
4. Pulse Width Modulation: Involved in PWM circuits for controlling motor speeds and LED brightness.
5. Analog-to-Digital Converters: Used as a part of ADC circuits for converting analog signals to digital.
6. Schmitt Triggers: Implemented in creating stable digital signals from noisy analog inputs.
These applications leverage the LM393DMR2G's ability to operate in a wide range of voltages with low power consumption.
Package
The LM393DMR2G is a dual voltage comparator integrated circuit. It typically comes in an SOIC-8 (Small Outline Integrated Circuit) package, which is a surface-mount package with 8 pins. This package type is designed for compactness and is widely used in various electronic applications.
