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HCPL-2611-000E Application Field and Working Principle

Optoisolators - Logic Output comprise a wide range of components used for galvanic isolating logic signals. There are lots of components available to fit various applications and improve performance. HCPL-2611-000E is one of them.

Application Field of HCPL-2611-000E

HCPL-2611-000E is a common logic output 6-pin device that provides digital isolation between two circuits. It features very small size, low power consumption, high speed and high isolation voltage. It is suitable for a variety of digital isolation applications, such as digital signaling, medical instrumentation, signal isolation for digital isolated systems, and protection from electrical overstress and transients.

More specifically, HCPL-2611-000E can be applied for the isolation of pulse generators, IDC connectors, voltage circuits, and industrial systems, such as PLCs, A/D and D/A conversion, digital multimedia, xDSL/ADSL, and Telecom.

Working Principle of HCPL-2611-000E

HCPL-2611-000E features an optically coupled logic isolator consisting of a GaAlAs LED and integrated photo detector. It operates on a 6-pin small outline package (SOP). The device has a high isolation voltage of 5000 VRMS tested by AC applied between input and output pins for a duration of one minute, and an isolation resistance of greater than 10G Ohms.

Specifically, the optoisolator consists of an LED transmits its light to a photo detector, which changes the optical signal into electrical signal at its output. In a single logic isolator, the LED part is always connected to the isolation circuit output, while the photodetector part is connected to the input circuit.

The typical operating voltage of HCPL-2611-000E is 5V, and its maximum operating current is 90mA. Its propagation delay time is typically 0.3µs. Besides, the minimum current transfer ratio (CTR) is 36% minimum at IF = 5 mA, and its typical rise/fall time is 0.4µs.

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