LM293DGKR

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LM293DGKR

IC COMPARATOR DIFF DUAL 8VSSOP

  • Manufacturer
  • Mfr. Part #LM293DGKR
  • Package VSSOP (DGK)-8
  • Datasheet
  • In Stock7435

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Specifications

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Differential
NumberofElements 2
OutputType CMOS, MOS, Open-Drain, TTL
Voltage-SupplySingle/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/Case 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
MountingType Surface Mount

Overview

Description

The LM293DGKR is a dual voltage comparator integrated circuit (IC) produced by Texas Instruments. It features two independent, high-speed voltage comparators in a single package. Designed for low power consumption, the LM293 operates from a wide supply voltage range of 2V to 36V, making it suitable for battery-operated devices.
The IC has an open-collector output, allowing it to interface easily with various voltage levels and to sink current efficiently. Its typical response time is around 300 ns, making it suitable for fast switching applications. The LM293 also includes a hysteresis feature that helps prevent oscillations in noisy environments.
This component is commonly used in applications such as voltage level detection, signal processing, and waveform shaping. It comes in a variety of package types, including SOIC (Small Outline Integrated Circuit), making it versatile for different design needs. Overall, the LM293DGKR is a reliable choice for engineers looking for a compact, efficient comparator solution.

Features

The LM293DGKR is a dual voltage comparator designed for use in a variety of applications requiring precise voltage comparison. Key features include:
1. Dual Comparator: Contains two independent, high-speed voltage comparators.
2. Low Input Offset Voltage: Typically 2 mV, ensuring accurate voltage comparisons.
3. Wide Supply Voltage Range: Operates from a single supply voltage of 2 to 36 V, or dual supplies of ±1 to ±18 V.
4. Open-Collector Output: Allows for wired-AND configuration and enables compatibility with various voltage levels.
5. High Speed: Response time of less than 300 ns for fast switching applications.
6. Low Power Consumption: Typically consumes only 0.6 mA per comparator.
7. Temperature Range: Designed to operate from -40°C to +125°C, suitable for industrial applications.
8. Package: Available in a compact SOIC-8 form factor, facilitating easy integration into circuits.
These features make the LM293DGKR ideal for applications such as zero-crossing detectors, voltage level comparators, and waveform generators.

Package

The LM293DGKR is packaged in a 14-lead TSSOP (Thin Shrink Small Outline Package) format, which is designed for surface mounting on PCBs. This package type is compact, making it suitable for applications with space constraints.

Pinout

The LM293DGKR is a dual comparator integrated circuit with a total of 8 pins. Its pin configuration and functions are as follows:
1. Inverting Input (V-) - Pin 2: Input for the negative signal in comparator operation.
2. Non-inverting Input (V+) - Pin 3: Input for the positive signal in comparator operation.
3. Output (OUT) - Pin 1: Output signal that indicates the comparison result.
4. Output (OUT) - Pin 7: Second output signal for the second comparator.
5. Non-inverting Input (V+) - Pin 6: Positive input for the second comparator.
6. Inverting Input (V-) - Pin 5: Negative input for the second comparator.
7. V- (Ground) - Pin 4: Negative supply voltage connection.
8. V+ (Supply Voltage) - Pin 8: Positive supply voltage connection.
The LM293 is designed to operate with a wide supply voltage range and is used in various applications, including signal conditioning, analog-to-digital converters, and window comparators.

Manufacturer

The LM293DGKR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company known for designing and manufacturing a wide range of analog and embedded processing chips. Founded in 1930, TI is headquartered in Dallas, Texas, and is recognized for its innovation in various technologies, including integrated circuits (ICs) used in automotive, industrial, and consumer electronics applications. The LM293DGKR is a dual voltage comparator, widely utilized in electronic circuits for signal processing and control applications. Texas Instruments is known for its commitment to quality and performance in its semiconductor products.

Application

The LM293DGKR is a dual comparator used in various applications, including voltage level detection, zero-crossing detectors, waveform shaping, and signal conditioning. It is suitable for battery-operated devices, temperature sensors, and audio signal processing. Its low power consumption and fast response time make it ideal for consumer electronics, industrial automation, and automotive systems.

Equivalent

The LM293DGKR is a dual voltage comparator. Equivalent products include the LM2901, LM393, and TLV3702. Other options are the MCP602 and LMV7219, depending on specific requirements like supply voltage and speed. Always check datasheets for compatibility in your application.

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