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LM293DR2G

Name: LM293DR2G
Rating: 4.7 (12 reviews)

IC COMP DUAL OFFSET LV 8SOIC

Производитель
Мфр. Часть #LM293DR2G
Пакет SOIC-8
Лист данных
В наличии6557

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Спецификации

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

Обзор

Description

The LM293DR2G is a dual comparator integrated circuit (IC) designed by Texas Instruments. It features two independent, high-speed voltage comparators with open-collector outputs, making it suitable for various applications, including signal conditioning, level shifting, and analog-to-digital conversion.
Key specifications include a wide supply voltage range from 2V to 36V, low input offset voltage (typically 2 mV), and a high common-mode input voltage range, which allows it to operate effectively in diverse signal environments. The LM293DR2G is housed in a small, surface-mount package (SOP-8), facilitating easy integration into compact designs.
Its open-collector output allows for wired-AND configurations, enhancing its versatility in circuit design. The LM293 is also noted for low supply current, making it energy-efficient for battery-powered applications. Overall, the LM293DR2G is a reliable choice for designers needing dual comparators in a compact form factor.

Features

The LM293DR2G is a dual comparator integrated circuit designed for various applications in signal processing and voltage comparison. Key features include:
1. Dual Comparator: Contains two independent, high-speed voltage comparators.
2. Wide Supply Voltage Range: Operates within 2V to 36V single supply or dual supply configurations.
3. Low Input Offset Voltage: Typically around 2mV, enhancing precision in applications.
4. High Speed: Response time of approximately 300ns, suitable for fast switching applications.
5. Open-Collector Output: Allows for wire-AND logic in multi-output configurations.
6. Temperature Range: Operates over a wide temperature range from -40°C to +125°C.
7. Low Power Consumption: Ideal for battery-operated devices, with low quiescent current.
8. Latch-Up Immunity: Resistant to latch-up, ensuring reliability in various environments.
These features make the LM293DR2G suitable for applications like voltage level detection, oscillator circuits, and signal conditioning.

Package

The LM293DR2G is packaged in a SOIC-8 (Small Outline Integrated Circuit) format. This surface-mount package has 8 pins and is designed for efficient use of space on printed circuit boards.

Pinout

The LM293DR2G is a dual comparator IC with a total of 8 pins. Here’s a brief overview of its pin configuration and functions:
1. Pin 1 (Output 1): Output of the first comparator.
2. Pin 2 (Inverting Input 1): Inverting input for the first comparator.
3. Pin 3 (Non-Inverting Input 1): Non-inverting input for the first comparator.
4. Pin 4 (V- or Ground): Negative power supply or ground.
5. Pin 5 (Non-Inverting Input 2): Non-inverting input for the second comparator.
6. Pin 6 (Inverting Input 2): Inverting input for the second comparator.
7. Pin 7 (Output 2): Output of the second comparator.
8. Pin 8 (V+ or Positive Supply): Positive power supply.
The LM293DR2G operates with a wide supply voltage range and is commonly used in applications requiring voltage level comparisons, such as thresholds and signal conditioning.

Manufacturer

The LM293DR2G is manufactured by Texas Instruments (TI), a prominent semiconductor company. Texas Instruments is based in the United States and specializes in designing and manufacturing a wide range of analog, embedded processing, and digital signal processing (DSP) solutions. The company is well-known for its contributions to the electronics industry, providing components for various applications, including automotive, industrial, communication, and consumer electronics. TI is recognized for its innovation in technology and has a strong focus on research and development to enhance its product offerings and maintain a competitive edge in the market.

Application

The LM293DR2G is a dual comparator used in various application areas, including voltage level detection, signal conditioning, pulse width modulation, and waveform shaping. It's commonly utilized in battery-powered devices, automotive systems, and industrial controls for its low power consumption and fast response time. Additionally, it can be implemented in temperature sensors, over-voltage protection circuits, and logic level conversion.

Equivalent

The LM293DR2G is a dual comparator. Equivalent products include the LM393, LM239, and MCP6002. These alternatives also feature dual comparator configurations, but may vary in specifications like voltage range, propagation delay, and power supply requirements. Always check datasheets for specific characteristics to ensure compatibility for your application.

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