ACPL-C797-500E

Product Overview

Category

ACPL-C797-500E belongs to the category of optocouplers or optoisolators.

Use

Optocouplers are electronic components used to transfer electrical signals between two isolated circuits. They provide electrical isolation and protect sensitive components from high voltages, noise, and other disturbances.

Characteristics

• Optocouplers consist of an LED (light-emitting diode) and a phototransistor or photodiode.
• They can transmit signals across an isolation barrier without any direct electrical connection.
• Optocouplers offer high voltage isolation, typically ranging from hundreds to thousands of volts.
• They have fast response times and can operate at high frequencies.
• These devices are compact in size and consume low power.
• Optocouplers are resistant to electromagnetic interference (EMI).

Package

The ACPL-C797-500E optocoupler is available in a small outline package (SOP) with 8 pins.

Essence

The essence of ACPL-C797-500E lies in its ability to provide galvanic isolation between input and output circuits, ensuring signal integrity and protection against voltage spikes and noise.

Packaging/Quantity

The ACPL-C797-500E optocoupler is typically packaged in reels containing 2500 units.

Specifications

• Isolation Voltage: 5000 Vrms
• Forward Current: 5 mA
• Collector-Emitter Voltage: 70 V
• Rise Time: 18 ns
• Fall Time: 15 ns
• Operating Temperature Range: -40°C to +100°C

Detailed Pin Configuration

1. Anode (LED+)
2. Cathode (LED-)
3. No Connection
4. Emitter (Phototransistor)
5. Collector (Phototransistor)
6. Base (Phototransistor)
7. No Connection
8. Collector (Phototransistor)

Functional Features

• High-speed response and switching capability.
• Wide operating temperature range for various applications.
• Low input current requirement.
• High isolation voltage ensures safety and protection.
• Compact size allows for space-efficient designs.

Advantages and Disadvantages

Advantages

• Provides electrical isolation between circuits, protecting sensitive components.
• Enables signal transmission without direct electrical connection.
• Resistant to electromagnetic interference.
• Compact and low power consumption.

Disadvantages

• Limited maximum collector-emitter voltage.
• Requires careful consideration of LED forward current to avoid damage.
• May introduce small delays due to rise and fall times.

Working Principles

ACPL-C797-500E operates based on the principle of optoelectronics. When a current is applied to the LED (Anode and Cathode), it emits light. This light is then detected by the phototransistor, which generates an output current proportional to the intensity of the received light. The input and output circuits are electrically isolated, allowing for safe signal transfer.

Detailed Application Field Plans

ACPL-C797-500E finds applications in various fields, including:

1. Industrial automation: Isolation of control signals in motor drives, power supplies, and PLCs.
2. Medical equipment: Isolation of patient monitoring systems, ECG machines, and medical imaging devices.
3. Telecommunications: Isolation of data communication lines, modems, and network equipment.
4. Automotive electronics: Isolation of automotive control systems, battery management, and electric vehicle charging stations.
5. Power electronics: Isolation of high-voltage power supplies, inverters, and solar energy systems.

Detailed and Complete Alternative Models

1. ACPL-C790-000E
2. ACPL-C784-000E
3. ACPL-C785-000E
4. ACPL-C788-000E
5. ACPL-C790-500E

These alternative models offer similar functionality and characteristics to the ACPL-C797-500E optocoupler.

In conclusion, the ACPL-C797-500E optocoupler is a versatile component that provides electrical isolation and signal transfer between two circuits. Its compact size, high voltage isolation, and resistance to EMI make it suitable for various applications in industries such as automation, medical equipment, telecommunications, automotive electronics, and power electronics.