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EL8173IS
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EL8173IS

Product Overview

  • Category: Optocoupler
  • Use: Isolation and signal transmission between two electrical circuits
  • Characteristics: High-speed, high-gain, low-power consumption
  • Package: SOP-4
  • Essence: Phototransistor output optocoupler
  • Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

  • Isolation Voltage: 3750 Vrms
  • Collector-Emitter Voltage: 80 V
  • Emitter-Collector Voltage: 7 V
  • Collector Current: 50 mA
  • Power Dissipation: 150 mW
  • Operating Temperature: -55°C to +110°C

Detailed Pin Configuration

The EL8173IS optocoupler has the following pin configuration:

  1. Anode (A)
  2. Cathode (K)
  3. Collector (C)
  4. Emitter (E)

Functional Features

  • High-speed response time: Allows for fast signal transmission between circuits.
  • High gain: Provides amplification of weak input signals.
  • Low power consumption: Energy-efficient operation.
  • Phototransistor output: Enables current flow based on light intensity.

Advantages and Disadvantages

Advantages: - Fast response time enhances system performance. - High gain amplifies weak signals accurately. - Low power consumption reduces energy costs. - Phototransistor output provides reliable isolation.

Disadvantages: - Limited maximum collector-emitter voltage. - Sensitive to ambient light conditions. - Requires careful handling due to its small package size.

Working Principles

The EL8173IS optocoupler consists of an infrared LED and a phototransistor. When a current is applied to the LED, it emits infrared light. This light is then detected by the phototransistor, causing it to conduct current. The optocoupler provides electrical isolation between the input and output circuits while allowing signal transmission through light.

Detailed Application Field Plans

The EL8173IS optocoupler finds applications in various fields, including:

  1. Industrial automation: Isolation and signal transmission in control systems.
  2. Telecommunications: Signal transmission between different modules.
  3. Medical equipment: Isolation of sensitive circuits for patient safety.
  4. Automotive electronics: Isolation and protection of control circuits.
  5. Power supply systems: Isolation and feedback control.

Detailed and Complete Alternative Models

Some alternative models to the EL8173IS optocoupler include:

  1. PC817: Photocoupler with similar specifications and package.
  2. TLP621: Optocoupler with higher collector-emitter voltage rating.
  3. SFH617A-2: High-speed optocoupler with lower power consumption.

These alternative models offer similar functionality and can be used as substitutes based on specific requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de EL8173IS en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of EL8173IS in technical solutions:

  1. Question: What is EL8173IS?
    Answer: EL8173IS is a high-speed, single-channel optocoupler designed for use in various technical applications.

  2. Question: What is the maximum data rate supported by EL8173IS?
    Answer: The maximum data rate supported by EL8173IS is typically 15 Mbps.

  3. Question: Can EL8173IS be used for voltage isolation?
    Answer: Yes, EL8173IS provides galvanic isolation between input and output, making it suitable for voltage isolation applications.

  4. Question: What is the typical input current required for EL8173IS?
    Answer: The typical input current required for EL8173IS is around 5 mA.

  5. Question: Is EL8173IS compatible with TTL and CMOS logic levels?
    Answer: Yes, EL8173IS is compatible with both TTL and CMOS logic levels, making it versatile for different digital systems.

  6. Question: Can EL8173IS be used in noisy environments?
    Answer: Yes, EL8173IS has a high common-mode rejection ratio (CMRR), which helps in reducing the impact of noise in the system.

  7. Question: What is the operating temperature range of EL8173IS?
    Answer: The operating temperature range of EL8173IS is typically -40°C to +85°C.

  8. Question: Does EL8173IS require an external power supply?
    Answer: No, EL8173IS does not require an external power supply as it is powered directly from the input side.

  9. Question: Can EL8173IS be used for driving relays or other high-power devices?
    Answer: EL8173IS is not designed for driving high-power devices directly. It is primarily used for signal isolation and level shifting.

  10. Question: Are there any recommended application circuits available for EL8173IS?
    Answer: Yes, the datasheet of EL8173IS provides several recommended application circuits that can be used as a reference for different technical solutions.

Please note that these answers are general and may vary depending on specific requirements and use cases.