The ACPL-M49T is a high-speed, low-power single-channel optocoupler utilizing an LED input and a photodiode-transistor output. Manufactured by Avago Technologies, it offers reinforced insulation, making it suitable for isolating sensitive circuits in a variety of industrial and consumer applications. Its high common-mode transient immunity (CMTI) makes it particularly useful in noisy environments.

Applications

• Isolated digital interfaces
• Microprocessor system interfaces
• PLC (Programmable Logic Controller) inputs
• Switching power supplies
• Industrial control systems
• Data communication

Features

• High speed: 10 MBd data rate
• Low power consumption
• Reinforced insulation
• High common-mode transient immunity (CMTI): typically > 25 kV/μs
• Wide supply voltage range: 3.3 V to 5 V
• Operating temperature range: -40°C to +105°C
• Safety approvals: UL, CSA, IEC/EN/DIN EN 60747-5-5
• Compact SO-8 package

Benefits

• Provides electrical isolation to protect sensitive circuitry from high voltages and ground loops.
• Enables high-speed data transmission with a 10 MBd data rate.
• Reduces power consumption, making it suitable for battery-powered applications.
• Ensures reliable performance in noisy environments with high common-mode transient immunity.
• Offers flexibility in design with a wide supply voltage range.
• Operates reliably in harsh environments with a wide operating temperature range.
• Meets stringent safety requirements with UL, CSA, and IEC/EN/DIN EN 60747-5-5 approvals.
• Saves board space due to its compact SO-8 package.

The ACPL-M49T utilizes a highly efficient LED to transmit signals across the isolation barrier. The photodiode-transistor output provides a logic-compatible signal, simplifying interfacing with digital systems. The reinforced insulation ensures a high level of safety in high-voltage applications. The optocoupler's low power consumption makes it suitable for battery-powered devices, while its high-speed data rate enables fast and reliable data transmission. The device's compact SO-8 package allows for easy integration into space-constrained designs. With its combination of high performance, reliability, and safety features, the ACPL-M49T is an excellent choice for a wide range of isolation applications.