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LM293P
+BOMIC COMPARATOR 2 DIFF 8DIP
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ManufacturerTexas Instruments
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Mfr. Part #LM293P
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In Stock7457
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Specifications
| Attribute | Value |
| PartStatus | Active |
| BaseProductNumber | LM293 |
| Type | Standard (General Purpose) |
| NumberofElements | 2 |
| OutputType | Open-Collector, Open-Drain, Rail-to-Rail |
| Voltage-Supply,Single/Dual(±) | 2V ~ 36V, ±1V ~ 18V |
| Voltage-InputOffset(Max) | 5mV @ 30V |
| Current-InputBias(Max) | 0.25µA @ 5V |
| Current-Output(Typ) | 20mA |
| Current-Quiescent(Max) | 2.5mA |
| OperatingTemperature | -25°C ~ 85°C |
| Package | 8-DIP (0.300", 7.62mm) |
| MountingType | Through Hole |
| SupplierDevicePackage | 8-PDIP |
| Packaging | Bulk, Tube |
Overview
Description
The LM293P is a dual voltage comparator integrated circuit (IC) designed for applications requiring high-speed signal processing and precise voltage comparisons. It features two independent, high-gain voltage comparators that can operate with a wide supply voltage range, typically from 4V to 36V. With a low input offset voltage and fast response time, the LM293P is ideal for use in analog signal conditioning, level detection, and comparator circuits.
This IC can handle both single-supply and dual-supply configurations, making it versatile for various designs. The output is typically open-collector, allowing for easy interfacing with different voltage levels. Common applications include battery level monitoring, temperature sensing, and over-voltage protection.
The LM293P is available in various package types, including DIP and SOIC, making it convenient for prototyping and integration into PCB designs. Its robust performance and reliability make it a popular choice in both consumer electronics and industrial applications.
This IC can handle both single-supply and dual-supply configurations, making it versatile for various designs. The output is typically open-collector, allowing for easy interfacing with different voltage levels. Common applications include battery level monitoring, temperature sensing, and over-voltage protection.
The LM293P is available in various package types, including DIP and SOIC, making it convenient for prototyping and integration into PCB designs. Its robust performance and reliability make it a popular choice in both consumer electronics and industrial applications.
Equivalent
The LM293P is a dual voltage comparator. Equivalent products include the LM339 (quad comparator), TLC3702 (dual CMOS comparator), MCP6541 (single comparator), and LM393(dual comparator with similar functionality). For specific applications, consider the LTC6752 or the MAX9020 for low-power scenarios. Always check the datasheets for detailed specs to ensure compatibility.
Features
The LM293P is a dual voltage comparator that features:
1. Dual Comparator: Contains two independent comparators with open-collector outputs.
2. Wide Supply Voltage Range: Operates from 2V to 36V for versatile applications.
3. Low Input Offset Voltage: Typically 2 mV, ensuring high accuracy in voltage comparison.
4. High Voltage Gain: Offers a large gain, enhancing sensitivity.
5. Open-Collector Output: Allows for wired-AND logic configuration and facilitates interfacing with different voltage levels.
6. Low Power Consumption: Consumes minimal current, making it suitable for battery-powered devices.
7. Wide Temperature Range: Designed to operate from -40°C to +125°C, suitable for harsh environments.
8. Compatible with TTL Logic: Outputs can directly interface with TTL as well as CMOS logic levels.
9. Short-Circuit Protection: Ensures reliability in fault conditions.
These features make the LM293P ideal for various applications, including voltage level detection, signal conditioning, and comparator circuits in electronic systems.
1. Dual Comparator: Contains two independent comparators with open-collector outputs.
2. Wide Supply Voltage Range: Operates from 2V to 36V for versatile applications.
3. Low Input Offset Voltage: Typically 2 mV, ensuring high accuracy in voltage comparison.
4. High Voltage Gain: Offers a large gain, enhancing sensitivity.
5. Open-Collector Output: Allows for wired-AND logic configuration and facilitates interfacing with different voltage levels.
6. Low Power Consumption: Consumes minimal current, making it suitable for battery-powered devices.
7. Wide Temperature Range: Designed to operate from -40°C to +125°C, suitable for harsh environments.
8. Compatible with TTL Logic: Outputs can directly interface with TTL as well as CMOS logic levels.
9. Short-Circuit Protection: Ensures reliability in fault conditions.
These features make the LM293P ideal for various applications, including voltage level detection, signal conditioning, and comparator circuits in electronic systems.
Pinout
The LM293P is a quad comparator IC with a total of 14 pins. Here is the pin configuration and their functions:
1. Offset Null (Pins 1 & 5): Used for offset voltage adjustment.
2. Inverting Input (Pins 2, 6, 10, 12): Inputs for the four comparators.
3. Non-Inverting Input (Pins 3, 7, 11, 13): Inputs for the four comparators.
4. Output (Pins 4, 8, 9, 14): Outputs for the four comparators.
5. Supply Voltage (Pin 7): Positive supply voltage (usually +15V).
6. Ground (Pin 4): Negative supply voltage or ground.
The LM293P operates with a wide supply voltage range and is commonly used in various applications including voltage level detection, signal conditioning, and comparator circuits.
1. Offset Null (Pins 1 & 5): Used for offset voltage adjustment.
2. Inverting Input (Pins 2, 6, 10, 12): Inputs for the four comparators.
3. Non-Inverting Input (Pins 3, 7, 11, 13): Inputs for the four comparators.
4. Output (Pins 4, 8, 9, 14): Outputs for the four comparators.
5. Supply Voltage (Pin 7): Positive supply voltage (usually +15V).
6. Ground (Pin 4): Negative supply voltage or ground.
The LM293P operates with a wide supply voltage range and is commonly used in various applications including voltage level detection, signal conditioning, and comparator circuits.
Manufacturer
The LM293P is manufactured by Texas Instruments (TI), a prominent semiconductor company. Founded in 1930 and headquartered in Dallas, Texas, Texas Instruments designs and produces a wide range of electronics and semiconductor products, including analog circuits, digital signal processors, and microcontrollers.
TI is known for its innovation in the field of analog and embedded processing, catering to various markets such as automotive, industrial, communications, and consumer electronics. The LM293P specifically is a dual voltage comparator that is commonly used in various electronic applications for comparing voltages and providing output signals under specific conditions. The company's extensive portfolio and commitment to quality make it a leading player in the semiconductor industry.
TI is known for its innovation in the field of analog and embedded processing, catering to various markets such as automotive, industrial, communications, and consumer electronics. The LM293P specifically is a dual voltage comparator that is commonly used in various electronic applications for comparing voltages and providing output signals under specific conditions. The company's extensive portfolio and commitment to quality make it a leading player in the semiconductor industry.
Application
The LM293P is a dual comparator integrated circuit commonly used in various applications, including:
1. Voltage Level Detection: Monitoring voltage levels for over-voltage or under-voltage conditions.
2. Oscillators: Generating square wave signals in timer circuits.
3. Analog Signal Processing: Comparing analog signals for signal conditioning.
4. Temperature Sensing: Interfacing with thermistors to detect temperature thresholds.
5. Zero-Crossing Detectors: Detecting when an AC signal crosses zero volts.
6. Hysteresis Circuits: Implementing Schmitt triggers for cleaner switching in noisy environments.
These features make the LM293P versatile for various electronic applications.
1. Voltage Level Detection: Monitoring voltage levels for over-voltage or under-voltage conditions.
2. Oscillators: Generating square wave signals in timer circuits.
3. Analog Signal Processing: Comparing analog signals for signal conditioning.
4. Temperature Sensing: Interfacing with thermistors to detect temperature thresholds.
5. Zero-Crossing Detectors: Detecting when an AC signal crosses zero volts.
6. Hysteresis Circuits: Implementing Schmitt triggers for cleaner switching in noisy environments.
These features make the LM293P versatile for various electronic applications.
Package
The LM293P is available in a 14-pin Dual In-Line Package (DIP) format. This package type is commonly used for integrated circuits, allowing for easy mounting on printed circuit boards.
