仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| 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 | -25°C ~ 85°C |
| Package/Case | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) |
| MountingType | Surface Mount |
概要
Description
The LM293DMR2G is a dual voltage comparator integrated circuit, designed for use in applications requiring precise voltage monitoring and comparison. It is part of the LM293 series, which is known for its low power consumption and wide operating voltage range. The device contains two independent voltage comparators that can operate from a single power supply or dual supplies, accommodating a range of 2 to 36 volts. This flexibility makes it suitable for various electronic applications, including signal processing and control systems.
The LM293DMR2G features low input offset voltage, low bias current, and high gain, ensuring accurate and reliable performance. It is capable of driving TTL, DTL, and MOS logic levels, which broadens its application scope. The device typically comes in a small, surface-mount package, making it suitable for compact circuit designs. It is widely used in consumer electronics, automotive systems, and industrial applications where precise voltage comparisons are crucial. Its robustness and efficiency make it a preferred choice for engineers and designers requiring versatile and reliable voltage comparator solutions.
The LM293DMR2G features low input offset voltage, low bias current, and high gain, ensuring accurate and reliable performance. It is capable of driving TTL, DTL, and MOS logic levels, which broadens its application scope. The device typically comes in a small, surface-mount package, making it suitable for compact circuit designs. It is widely used in consumer electronics, automotive systems, and industrial applications where precise voltage comparisons are crucial. Its robustness and efficiency make it a preferred choice for engineers and designers requiring versatile and reliable voltage comparator solutions.
Equivalent
The LM293DMR2G is a dual differential comparator. Equivalent products include:
1. LM393 series by Texas Instruments or other manufacturers
2. LM2903 series, which also offers similar functionality
3. NXP's NCV2903 series for automotive applications
4. STMicroelectronics' LM193/LM293 series
These alternatives typically have similar pin configurations and electrical characteristics, making them suitable replacements in most applications. Always verify with the specific datasheets to ensure compatibility with your design.
1. LM393 series by Texas Instruments or other manufacturers
2. LM2903 series, which also offers similar functionality
3. NXP's NCV2903 series for automotive applications
4. STMicroelectronics' LM193/LM293 series
These alternatives typically have similar pin configurations and electrical characteristics, making them suitable replacements in most applications. Always verify with the specific datasheets to ensure compatibility with your design.
Features
The LM293DMR2G is a dual voltage comparator integrated circuit (IC) designed for general-purpose voltage comparison tasks. Key features include:
1. Dual Comparator: Contains two independent voltage comparators within a single package, enabling simultaneous multiple signal comparisons.
2. Wide Supply Voltage Range: Operates over a broad range of supply voltages from 2V to 36V, making it versatile for various applications.
3. Low Input Offset Voltage: Features a low input offset voltage, which ensures precision in voltage comparison.
4. Low Power Consumption: Designed for low power use, making it suitable for battery-operated devices.
5. Open-Collector Output: The outputs are open-collector, allowing for easy interfacing with other digital or analog circuits.
6. Temperature Stability: Provides reliable performance across a wide temperature range, typically from -40°C to +85°C.
7. Small Package: Available in a compact package, such as SOIC-8, saving space on circuit boards.
These features make the LM293DMR2G ideal for a range of applications, including signal processing, voltage sensing, and level detection.
1. Dual Comparator: Contains two independent voltage comparators within a single package, enabling simultaneous multiple signal comparisons.
2. Wide Supply Voltage Range: Operates over a broad range of supply voltages from 2V to 36V, making it versatile for various applications.
3. Low Input Offset Voltage: Features a low input offset voltage, which ensures precision in voltage comparison.
4. Low Power Consumption: Designed for low power use, making it suitable for battery-operated devices.
5. Open-Collector Output: The outputs are open-collector, allowing for easy interfacing with other digital or analog circuits.
6. Temperature Stability: Provides reliable performance across a wide temperature range, typically from -40°C to +85°C.
7. Small Package: Available in a compact package, such as SOIC-8, saving space on circuit boards.
These features make the LM293DMR2G ideal for a range of applications, including signal processing, voltage sensing, and level detection.
Pinout
The LM293DMR2G is a dual differential comparator IC. It is part of the LM293 series, which includes voltage comparators designed for a wide range of applications. The package for the LM293DMR2G typically has 8 pins. Here is a brief description of the pin functions:
1. VCC (Pin 8): Supply voltage pin. It powers the IC.
2. GND (Pin 4): Ground pin. Provides the reference voltage point.
3. Non-inverting Inputs (Pins 3 and 5): Inputs for the comparators where the voltage is compared against the inverting inputs.
4. Inverting Inputs (Pins 2 and 6): Inputs for the comparators that receive the reference voltage for comparison.
5. Outputs (Pins 1 and 7): Outputs of the comparators. They provide the result of the comparison between non-inverting and inverting inputs.
This IC is useful for comparing analog signals and is commonly used in applications like zero-crossing detectors, level shifters, and signal conditioning.
1. VCC (Pin 8): Supply voltage pin. It powers the IC.
2. GND (Pin 4): Ground pin. Provides the reference voltage point.
3. Non-inverting Inputs (Pins 3 and 5): Inputs for the comparators where the voltage is compared against the inverting inputs.
4. Inverting Inputs (Pins 2 and 6): Inputs for the comparators that receive the reference voltage for comparison.
5. Outputs (Pins 1 and 7): Outputs of the comparators. They provide the result of the comparison between non-inverting and inverting inputs.
This IC is useful for comparing analog signals and is commonly used in applications like zero-crossing detectors, level shifters, and signal conditioning.
Manufacturer
The LM293DMR2G is manufactured by ON Semiconductor. ON Semiconductor is a leading provider of semiconductor solutions, offering a comprehensive portfolio of energy-efficient power and signal management, logic, standard, and custom devices. The company serves a variety of markets, including automotive, industrial, cloud power, and the Internet of Things (IoT), among others. Known for its focus on energy-efficient solutions, ON Semiconductor plays a significant role in advancing electronics technology.
Application
The LM293DMR2G is a dual comparator IC commonly used in various applications. Key areas include voltage level detection, where it compares input voltages to reference levels, and zero-crossing detectors in AC signal processing. It's also employed in pulse width modulation (PWM) signal generation, battery charger circuits, and as a basic operational amplifier. Additionally, the LM293DMR2G is used in automotive applications for sensor interfacing and in industrial systems for monitoring and control tasks. Its wide operating temperature range makes it suitable for harsh environments.
Package
The LM293DMR2G is a dual voltage comparator IC from ON Semiconductor, typically packaged in a SOIC-8 (Small Outline Integrated Circuit) package. This package type is suitable for surface-mount technology, allowing for compact and efficient circuit designs.
