ACPL-W611-060E

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Optoisolators - Logic Output represent devices that provide electrical isolation between two circuits using light transmission. They are considered a vital safety feature that controls, among other parameters, the electric charge or system voltage. The ACPL-W611-060E module belongs to this flow of devices and integrates an optocoupler, an transistor output isolator with a logic voltage output. The physical characteristics of the ACPL-W611-060E are compact, it has an 8 Pin SOIC package and a 9.65 mm pitch.

Its application fields are multiple, from incorporating DC/DC converters, to provide isolated interfaces to the controls systems in home appliances or industrial machinery. In medical instruments, they provide protection to control circuitries providing diagnostics information. The ACPL-W611-060E works properly in a broad range of temperatures, from -40°C to +105°C.

The ACPL-W611-060E provides 6V input and a maximum output current of 10mA. The optocoupler’s current transfer ratio (CTR) reaches 50%. The logic low of the output stage is referenced to -3V and the logic high can go up to 6.6V, although it is recommendable to keep it below 5V. This module is a good choice for systems handling high voltages since its insulation is higher than 2.5 kV rms.

The working principle of the ACPL-W611-060E is relatively simple. It integrates an infrared LED and an photodetector side by side in the same package, they are optically linked so when the LED component is powered, a beam of light crosses the gap between both components activating an electric current in the receiver. The output stage is a transistor working in saturation of cut-off mode depending on the current flow in the receiver.

With its small size and easy integration within multiple systems, the ACPL-W611-060E is the optimal choice for when electrical isolation and logic output signals are needed. The output part can handle high speeds, up to 1 MBs, and its insulation is strong enough to handle up to 2.5 kV rms safety, making it suitable for multiple fields from industrial to home appliances, to medical instruments.

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