ACPL-214-560E

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ACPL-214-560E is a 6-pin optoisolator which combines the ultra-small, RoHS compliant SMT packages with high creepage distance (7mm) and multiple output configurations. This product meets UL and IEC safety requirements, including full insulation and isolation from the external circuit to ensure system reliability and accuracy.

The ACPL-214-560E has a transistor output and integrates a photovoltaic die and a output transistor. The device works by optical coupling between its input and output and isolates the input from the output. The output transistor has an internal current limit to provide protection against accidental overcurrent.

Working Principle

The ACPL-214-560E consists of two parts, the input opto-coupler and the output transistor. The internal opto-coupler consists of a LED emitting infrared light which is optically coupled to a light sensitive photovoltaic switch at the output. When the LED is lit, it produces an input signal that causes the photovoltaic switch to turn "on" the output. That is, the output transistor turns on and the voltage at the collector is equal to the supply voltage. When the LED is not lit, the output transistor turns off and the collector of the transistor is at zero volts.

The working voltage of the output transistor is typically between 4.5V and 15V. The internal current limit of the transistor is typically 1A. The device has a bandwidth of ±50kHz.

Detection of Light

The ACPL-214-560E is used to detect light in applications such as optical switches. The device can be used to detect multiple wavelengths of light. The device has an internal filter which allows it to discriminate different colors of light. The device can also reject light of different frequencies.

Energy Efficiency

The ACPL-214-560E is designed to provide high energy efficiency. It is rated to consume less than 20mW of power. This allows the device to be used in energy-constrained applications such as battery powered applications.

Applications

The ACPL-214-560E is most commonly used in a range of applications such as optical switches, data communication, and control relays. It is also used for isolating power circuits, protecting signal circuits from transients, and providing variable speed control. The device can also be used for isolation of logic circuits and encoding of digital signals.

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