Specifications
| Attribute | Value |
| 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 | -25°C ~ 85°C |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
| MountingType | Surface Mount |
Overview
Description
The LM293DR2G is a dual voltage comparator integrated circuit designed for general-purpose applications. Manufactured by ON Semiconductor, this device is used to compare two input voltages and determine which is higher, providing a digital output to indicate the result. The LM293DR2G operates over a wide voltage range, typically from 2V to 36V, making it suitable for various applications such as signal processing, data acquisition systems, and industrial control systems.
It features low input offset voltage, low power consumption, and the ability to function with single or dual power supplies. Its open-collector output configuration allows for easy interfacing with other digital components and systems. The LM293DR2G is designed to operate reliably over a broad temperature range, generally from -40°C to 85°C, making it suitable for both commercial and industrial environments.
Packaged in a compact SOIC-8 form factor, it is ideal for space-constrained circuit designs. The LM293DR2G ensures stable and accurate performance, serving as a versatile component for designers needing robust voltage comparison capabilities.
It features low input offset voltage, low power consumption, and the ability to function with single or dual power supplies. Its open-collector output configuration allows for easy interfacing with other digital components and systems. The LM293DR2G is designed to operate reliably over a broad temperature range, generally from -40°C to 85°C, making it suitable for both commercial and industrial environments.
Packaged in a compact SOIC-8 form factor, it is ideal for space-constrained circuit designs. The LM293DR2G ensures stable and accurate performance, serving as a versatile component for designers needing robust voltage comparison capabilities.
Equivalent
The LM293DR2G chip is a dual low-voltage comparator. Equivalent products include:
1. LM393 from Texas Instruments
2. LM393N from ON Semiconductor
3. LMV393 from Texas Instruments
4. MC33072 from ON Semiconductor
5. TLC372 from Texas Instruments
These equivalents generally match the basic functionality, but it's essential to check the datasheets for specific parameter compatibility and performance details relative to your application.
1. LM393 from Texas Instruments
2. LM393N from ON Semiconductor
3. LMV393 from Texas Instruments
4. MC33072 from ON Semiconductor
5. TLC372 from Texas Instruments
These equivalents generally match the basic functionality, but it's essential to check the datasheets for specific parameter compatibility and performance details relative to your application.
Features
The LM293DR2G is a versatile dual voltage comparator IC designed for general-purpose applications. Key features include:
1. Dual Comparator: Contains two independent voltage comparators.
2. Wide Supply Voltage Range: Operates from 2V to 36V, or ±1V to ±18V for dual supplies.
3. Low Input Offset Voltage: Typically around 2mV, ensuring precision.
4. Low Input Bias Current: Approximately 25nA, minimizing power consumption.
5. Fast Response Time: Delivers quick reaction times suitable for high-speed operations.
6. Open-Collector Outputs: Allows for wired-OR connections and level shifting.
7. Wide Temperature Range: Operates effectively between -25°C and 85°C.
8. Low Power Consumption: Ideal for battery-operated devices due to minimal power usage.
9. Standard Packaging: Available in SOIC-8 package, ensuring compatibility with existing designs.
10. RoHS Compliant: Environmentally friendly with lead-free manufacturing.
These features make the LM293DR2G suitable for applications like zero-crossing detectors, logic level shifters, and general voltage comparison tasks.
1. Dual Comparator: Contains two independent voltage comparators.
2. Wide Supply Voltage Range: Operates from 2V to 36V, or ±1V to ±18V for dual supplies.
3. Low Input Offset Voltage: Typically around 2mV, ensuring precision.
4. Low Input Bias Current: Approximately 25nA, minimizing power consumption.
5. Fast Response Time: Delivers quick reaction times suitable for high-speed operations.
6. Open-Collector Outputs: Allows for wired-OR connections and level shifting.
7. Wide Temperature Range: Operates effectively between -25°C and 85°C.
8. Low Power Consumption: Ideal for battery-operated devices due to minimal power usage.
9. Standard Packaging: Available in SOIC-8 package, ensuring compatibility with existing designs.
10. RoHS Compliant: Environmentally friendly with lead-free manufacturing.
These features make the LM293DR2G suitable for applications like zero-crossing detectors, logic level shifters, and general voltage comparison tasks.
Pinout
The LM293DR2G is a dual comparator integrated circuit from ON Semiconductor. It features a total of 8 pins. Here is a brief description of its pin functions:
1. Pin 1 (OUTPUT A): Output of comparator A.
2. Pin 2 (INPUT A–): Inverting input of comparator A.
3. Pin 3 (INPUT A+): Non-inverting input of comparator A.
4. Pin 4 (GND): Ground or negative supply voltage.
5. Pin 5 (INPUT B+): Non-inverting input of comparator B.
6. Pin 6 (INPUT B–): Inverting input of comparator B.
7. Pin 7 (OUTPUT B): Output of comparator B.
8. Pin 8 (VCC): Positive supply voltage.
The LM293DR2G is commonly used in applications requiring a low power, dual comparator. It operates over a wide range of supply voltages, making it versatile for various electronic projects.
1. Pin 1 (OUTPUT A): Output of comparator A.
2. Pin 2 (INPUT A–): Inverting input of comparator A.
3. Pin 3 (INPUT A+): Non-inverting input of comparator A.
4. Pin 4 (GND): Ground or negative supply voltage.
5. Pin 5 (INPUT B+): Non-inverting input of comparator B.
6. Pin 6 (INPUT B–): Inverting input of comparator B.
7. Pin 7 (OUTPUT B): Output of comparator B.
8. Pin 8 (VCC): Positive supply voltage.
The LM293DR2G is commonly used in applications requiring a low power, dual comparator. It operates over a wide range of supply voltages, making it versatile for various electronic projects.
Manufacturer
The LM293DR2G is manufactured by ON Semiconductor. ON Semiconductor is a semiconductor supplier company that specializes in designing, manufacturing, and marketing a broad range of semiconductor components used in diverse electronic systems. Their products include power and signal management, logic, discrete, and custom devices for various applications, such as automotive, communications, computing, consumer electronics, industrial, LED lighting, medical, military/aerospace, and power supply. The company is known for providing high-performance, energy-efficient, and environmentally sustainable solutions.
Application
The LM293DR2G is a dual comparator IC commonly used in various electronic applications. Key application areas include:
1. Voltage Comparators: It compares voltages and outputs a digital signal indicating which input is higher.
2. Zero-Crossing Detectors: Used in waveform analysis and AC signal processing.
3. Analog-to-Digital Converters (ADC): Acts as a part of ADC systems to convert analog signals to digital.
4. Oscillators: Forms part of oscillator circuits for generating waveforms.
5. Level Shifters: Changes voltage levels in mixed-signal circuits.
6. Pulse Width Modulation (PWM): Useful in motor control and signal modulation.
These applications exploit its ability to operate in a wide voltage range and at low power.
1. Voltage Comparators: It compares voltages and outputs a digital signal indicating which input is higher.
2. Zero-Crossing Detectors: Used in waveform analysis and AC signal processing.
3. Analog-to-Digital Converters (ADC): Acts as a part of ADC systems to convert analog signals to digital.
4. Oscillators: Forms part of oscillator circuits for generating waveforms.
5. Level Shifters: Changes voltage levels in mixed-signal circuits.
6. Pulse Width Modulation (PWM): Useful in motor control and signal modulation.
These applications exploit its ability to operate in a wide voltage range and at low power.
Package
The LM293DR2G is a dual voltage comparator integrated circuit that comes in a SOIC-8 (Small Outline Integrated Circuit) package. This surface-mount package type is compact, making it suitable for applications where space is limited.
