Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR) |
| ProductStatus | Active |
| Type | General Purpose |
| NumberofElements | 2 |
| OutputType | Open Collector |
| Voltage-SupplySingle/Dual(±) | 2V ~ 36V, ±1V ~ 18V |
| Voltage-InputOffset(Max) | 7mV @ 5V |
| Current-InputBias(Max) | 0.25µA @ 5V |
| Current-Quiescent(Max) | 1mA |
| OperatingTemperature | 0°C ~ 70°C |
| Package/Case | 8-TSSOP (0.173, 4.40mm Width) |
| MountingType | Surface Mount |
Tổng quan
Description
The LM393PWR is a dual voltage comparator integrated circuit, commonly used in electronic applications for comparing two voltages and providing a digital output based on which voltage is higher. Manufactured by Texas Instruments, it is part of the LM393 series and comes in a TSSOP (Thin Shrink Small Outline Package) for space-efficient designs. The device operates over a wide supply voltage range from 2V to 36V, making it versatile for various applications.
Key features of the LM393PWR include low power consumption, a typical response time of 1.3 µs, and the ability to operate with single or dual supplies. The open-collector outputs can drive loads up to 50V, which is particularly useful in interfacing with logic levels of different systems.
The LM393PWR is widely utilized in battery-operated devices, alarm systems, and various sensor applications due to its reliability and low cost. Its robust performance in ambient temperature ranges makes it ideal for industrial and consumer electronics.
Key features of the LM393PWR include low power consumption, a typical response time of 1.3 µs, and the ability to operate with single or dual supplies. The open-collector outputs can drive loads up to 50V, which is particularly useful in interfacing with logic levels of different systems.
The LM393PWR is widely utilized in battery-operated devices, alarm systems, and various sensor applications due to its reliability and low cost. Its robust performance in ambient temperature ranges makes it ideal for industrial and consumer electronics.
Equivalent
The LM393PWR is a dual voltage comparator. Equivalent products include:
1. TI LM393 series, such as LM393N, LM393P.
2. ON Semiconductor LM393 series.
3. NXP LM393 series.
4. STMicroelectronics LM393 series.
5. Fairchild/ON Semiconductor KA393 series.
6. Analog Devices ADCMP393.
These parts generally have similar functionality and pin configurations but verify the datasheet for specific applications.
1. TI LM393 series, such as LM393N, LM393P.
2. ON Semiconductor LM393 series.
3. NXP LM393 series.
4. STMicroelectronics LM393 series.
5. Fairchild/ON Semiconductor KA393 series.
6. Analog Devices ADCMP393.
These parts generally have similar functionality and pin configurations but verify the datasheet for specific applications.
Features
The LM393PWR is a dual voltage comparator integrated circuit. Key features include:
1. Supply Voltage Range: Operates over a wide range from 2V to 36V, making it suitable for various applications.
2. Low Input Offset Voltage: Ensures accurate voltage comparison with minimal deviation.
3. Low Supply Current: Offers low power consumption, crucial for battery-operated devices.
4. Open Collector Output: Allows for wired-AND connections and compatibility with various logic levels.
5. Wide Temperature Range: Typically operates between -40°C to +85°C, suitable for industrial and automotive environments.
6. High Input Impedance: Minimizes loading on the input signal source.
7. Differential Input Voltage Range: Can accept input voltage differences as large as the supply voltage.
8. Fast Response Time: Suitable for applications requiring quick signal comparison.
9. Compact Package: Available in small packages like SOIC-8, making it ideal for space-constrained designs.
These features make the LM393PWR suitable for applications like zero-crossing detectors, voltage level shifters, and other precision voltage comparison tasks.
1. Supply Voltage Range: Operates over a wide range from 2V to 36V, making it suitable for various applications.
2. Low Input Offset Voltage: Ensures accurate voltage comparison with minimal deviation.
3. Low Supply Current: Offers low power consumption, crucial for battery-operated devices.
4. Open Collector Output: Allows for wired-AND connections and compatibility with various logic levels.
5. Wide Temperature Range: Typically operates between -40°C to +85°C, suitable for industrial and automotive environments.
6. High Input Impedance: Minimizes loading on the input signal source.
7. Differential Input Voltage Range: Can accept input voltage differences as large as the supply voltage.
8. Fast Response Time: Suitable for applications requiring quick signal comparison.
9. Compact Package: Available in small packages like SOIC-8, making it ideal for space-constrained designs.
These features make the LM393PWR suitable for applications like zero-crossing detectors, voltage level shifters, and other precision voltage comparison tasks.
Pinout
The LM393PWR is a dual voltage comparator integrated circuit, typically housed in an 8-pin SOIC package. Here's a brief overview of its pin configuration and functions:
1. VCC (Pin 8): This is the power supply pin where the positive voltage is applied.
2. GND (Pin 4): This is the ground pin and is connected to the 0V reference of the circuit.
3. IN1- (Pin 2): Inverting input for comparator 1.
4. IN1+ (Pin 3): Non-inverting input for comparator 1.
5. OUT1 (Pin 1): Output for comparator 1.
6. IN2- (Pin 6): Inverting input for comparator 2.
7. IN2+ (Pin 5): Non-inverting input for comparator 2.
8. OUT2 (Pin 7): Output for comparator 2.
The LM393PWR is used for comparing input voltages and providing a digital output based on the comparison, making it suitable for applications like sensor interfacing, zero-crossing detectors, and more.
1. VCC (Pin 8): This is the power supply pin where the positive voltage is applied.
2. GND (Pin 4): This is the ground pin and is connected to the 0V reference of the circuit.
3. IN1- (Pin 2): Inverting input for comparator 1.
4. IN1+ (Pin 3): Non-inverting input for comparator 1.
5. OUT1 (Pin 1): Output for comparator 1.
6. IN2- (Pin 6): Inverting input for comparator 2.
7. IN2+ (Pin 5): Non-inverting input for comparator 2.
8. OUT2 (Pin 7): Output for comparator 2.
The LM393PWR is used for comparing input voltages and providing a digital output based on the comparison, making it suitable for applications like sensor interfacing, zero-crossing detectors, and more.
Manufacturer
The LM393PWR is manufactured by Texas Instruments, an American technology company that designs and manufactures semiconductors and various integrated circuits. Texas Instruments is known for producing a wide range of electronic components, including microcontrollers, digital signal processors, and analog semiconductors. The company primarily serves industries such as consumer electronics, automotive, industrial, and communications equipment.
Application
The LM393PWR is a dual voltage comparator used in various applications, including:
1. Zero-Crossing Detectors: Identify when a signal changes polarity.
2. Voltage Level Shifters: Convert voltage levels for different parts of a circuit.
3. Oscillators: Generate clock signals for timing applications.
4. Pulse Width Modulators: Control power delivery in motor drivers.
5. Battery Chargers: Monitor and regulate charging processes.
6. Window Comparators: Detect if a signal is within a specific range.
7. Signal Conditioning: Improve the quality of a signal before processing.
It's commonly used in consumer electronics, automotive electronics, and industrial systems for its low power consumption and wide operating voltage range.
1. Zero-Crossing Detectors: Identify when a signal changes polarity.
2. Voltage Level Shifters: Convert voltage levels for different parts of a circuit.
3. Oscillators: Generate clock signals for timing applications.
4. Pulse Width Modulators: Control power delivery in motor drivers.
5. Battery Chargers: Monitor and regulate charging processes.
6. Window Comparators: Detect if a signal is within a specific range.
7. Signal Conditioning: Improve the quality of a signal before processing.
It's commonly used in consumer electronics, automotive electronics, and industrial systems for its low power consumption and wide operating voltage range.
Package
The LM393PWR is an IC from Texas Instruments and comes in a TSSOP-8 package. TSSOP (Thin Shrink Small Outline Package) is a smaller footprint package that is commonly used for surface mount applications. The "PWR" suffix typically indicates that the component is delivered in a reel for automated assembly lines.
