Спецификации
| Атрибут | Ценность |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| 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 | -25°C ~ 85°C |
| Mounting Type | Surface Mount |
Обзор
Description
The LM293DR is a dual voltage comparator integrated circuit commonly used in electronic applications. Manufactured by Texas Instruments, it features two independent voltage comparators, each designed to operate from a single power supply over a wide range of voltages. It can also function with dual power supplies and is known for its low power consumption and high gain.
Key characteristics include a wide supply voltage range from 2V to 36V and a typical input offset voltage of 5mV. The device is capable of driving most TTL, DTL, and MOS logic families. Housed in a SOIC-8 package, it is suitable for surface-mount applications, making it versatile for compact designs. The LM293DR operates efficiently in a temperature range of -40°C to 125°C, which makes it suitable for various industrial environments.
It is typically used in applications such as signal conditioning, waveform generators, and voltage level shifting. Its robust performance and reliability make it a popular choice for designers in need of an efficient, dual comparator solution.
Key characteristics include a wide supply voltage range from 2V to 36V and a typical input offset voltage of 5mV. The device is capable of driving most TTL, DTL, and MOS logic families. Housed in a SOIC-8 package, it is suitable for surface-mount applications, making it versatile for compact designs. The LM293DR operates efficiently in a temperature range of -40°C to 125°C, which makes it suitable for various industrial environments.
It is typically used in applications such as signal conditioning, waveform generators, and voltage level shifting. Its robust performance and reliability make it a popular choice for designers in need of an efficient, dual comparator solution.
Equivalent
The LM293DR is a dual voltage comparator. Equivalent products include:
1. LM393DR by Texas Instruments
2. LM393 by ON Semiconductor
3. LM393N by STMicroelectronics
4. MC3302 by ON Semiconductor
5. TLV1702 by Texas Instruments
These components offer similar functionality and are often used interchangeably in electronic circuits, though variations in specifications and package types should be considered.
1. LM393DR by Texas Instruments
2. LM393 by ON Semiconductor
3. LM393N by STMicroelectronics
4. MC3302 by ON Semiconductor
5. TLV1702 by Texas Instruments
These components offer similar functionality and are often used interchangeably in electronic circuits, though variations in specifications and package types should be considered.
Features
The LM293DR is a dual differential comparator integrated circuit. Its key features include:
1. Wide Supply Voltage Range: Operates from 2V to 36V, accommodating various applications.
2. Low Input Offset Voltage: Typically around 2mV, ensuring precision in signal comparison.
3. Low Input Bias Current: Around 25nA, reducing the impact on high-impedance sources.
4. Low Output Saturation Voltage: Typically 200mV at 4mA, facilitating better interfacing with logic circuits.
5. Wide Input Common-Mode Voltage Range: Includes ground, suitable for single-supply operations.
6. Low Power Consumption: Minimal power use makes it suitable for battery-powered devices.
7. Operating Temperature Range: -40°C to 85°C, ensuring reliability in diverse environments.
8. Fast Response Time: Capable of quick comparisons, useful in high-speed applications.
9. Dual Comparators: Contains two independent voltage comparators in a single package.
10. Standard SOIC-8 Package: Facilitates easy integration into circuit designs.
The LM293DR is ideal for applications such as zero-crossing detectors, voltage level translators, and general-purpose voltage comparison tasks.
1. Wide Supply Voltage Range: Operates from 2V to 36V, accommodating various applications.
2. Low Input Offset Voltage: Typically around 2mV, ensuring precision in signal comparison.
3. Low Input Bias Current: Around 25nA, reducing the impact on high-impedance sources.
4. Low Output Saturation Voltage: Typically 200mV at 4mA, facilitating better interfacing with logic circuits.
5. Wide Input Common-Mode Voltage Range: Includes ground, suitable for single-supply operations.
6. Low Power Consumption: Minimal power use makes it suitable for battery-powered devices.
7. Operating Temperature Range: -40°C to 85°C, ensuring reliability in diverse environments.
8. Fast Response Time: Capable of quick comparisons, useful in high-speed applications.
9. Dual Comparators: Contains two independent voltage comparators in a single package.
10. Standard SOIC-8 Package: Facilitates easy integration into circuit designs.
The LM293DR is ideal for applications such as zero-crossing detectors, voltage level translators, and general-purpose voltage comparison tasks.
Pinout
The LM293DR is a dual voltage comparator integrated circuit. It comes in an 8-pin SOIC package. Here is a brief overview of the pin functions:
1. Pin 1 (OUT A): Output of comparator A.
2. Pin 2 (IN- A): Inverting input of comparator A.
3. Pin 3 (IN+ A): Non-inverting input of comparator A.
4. Pin 4 (GND): Ground connection.
5. Pin 5 (IN+ B): Non-inverting input of comparator B.
6. Pin 6 (IN- B): Inverting input of comparator B.
7. Pin 7 (OUT B): Output of comparator B.
8. Pin 8 (VCC): Supply voltage.
The LM293DR is used to compare two input voltages and provides a digital output based on which input is higher. It can operate with a single or dual power supply and is widely used in applications such as signal processing and analog-to-digital conversion.
1. Pin 1 (OUT A): Output of comparator A.
2. Pin 2 (IN- A): Inverting input of comparator A.
3. Pin 3 (IN+ A): Non-inverting input of comparator A.
4. Pin 4 (GND): Ground connection.
5. Pin 5 (IN+ B): Non-inverting input of comparator B.
6. Pin 6 (IN- B): Inverting input of comparator B.
7. Pin 7 (OUT B): Output of comparator B.
8. Pin 8 (VCC): Supply voltage.
The LM293DR is used to compare two input voltages and provides a digital output based on which input is higher. It can operate with a single or dual power supply and is widely used in applications such as signal processing and analog-to-digital conversion.
Manufacturer
The LM293DR is manufactured by Texas Instruments (TI), a global technology company headquartered in Dallas, Texas. Texas Instruments is known for designing and manufacturing semiconductors and various integrated circuits, which are used in a wide range of electronic applications. The company is a major player in the semiconductor industry and provides products and solutions to sectors such as industrial, automotive, personal electronics, communications equipment, and enterprise systems. Texas Instruments is recognized for its innovation and commitment to advancing technology, serving both large-scale manufacturers and individual innovators with a diverse portfolio of electronic components.
Application
The LM293DR is a dual differential comparator used in various applications. Key areas include voltage comparison, zero-crossing detectors, and signal processing. It is often employed in analog-to-digital converters (ADCs) for comparison functions and in power management systems for battery chargers and voltage monitoring. Additionally, it is used in industrial and automotive systems for overvoltage and undervoltage protection, as well as in sensor signal conditioning and control systems. The device is suitable for applications requiring accurate, low-power voltage comparison, and its small size makes it ideal for compact circuits.
Package
The LM293DR is an integrated circuit available in a SOIC-8 (Small Outline Integrated Circuit) package type. This surface-mount package is commonly used for dual operational amplifiers.
