HCPL-4661-520E Isolators

Data Rate:	10MBd
Supplier Device Package:	8-DIP Gull Wing
Package / Case:	8-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply:	4.5 V ~ 5.5 V
Current - DC Forward (If) (Max):	15mA
Voltage - Forward (Vf) (Typ):	1.5V
Rise / Fall Time (Typ):	24ns, 10ns
Propagation Delay tpLH / tpHL (Max):	100ns, 100ns
Series:	--
Current - Output / Channel:	50mA
Output Type:	Open Collector, Schottky Clamped
Input Type:	DC
Common Mode Transient Immunity (Min):	15kV/µs
Voltage - Isolation:	5000Vrms
Inputs - Side 1/Side 2:	2/0
Number of Channels:	2
Part Status:	Active
Packaging:	Tape & Reel (TR)

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The HCPL-4661-520E optoisolators are, technologically speaking, solid state devices composed of two independent circuits, optical and electrical, through which a signal can be transferred. "Opto" is short for "optical isolator" which refers to how two circuits are unaffected by each other but still transfers signals across them. In this particular model, the optical direction includes an infrared LED and the electrical direction includes a photodarlington. The LED in the HCPL-4661-520E converts electrical energy from the input signal to a modulated light output. The output from the LED is then detected by the photodarlington, which converts the signal back into a voltage that is used to supply power for the output. The optoisolator\'s main purpose is to serve as an electrical isolator between circuits of different voltage levels. By doing this, it reduces the effects of common-mode noise and makes sure that the input voltage is not affected by the output. The HCPL-4661-520E optoisolator is designed specifically for logic output. In logic circuits, an optoisolator can be used to electrically isolate the base control from the output module, providing both logic compatibility and voltage isolation. The lower LED current reduces power consumption, making the optoisolator more suitable for mobile or portable applications. Its fast turn-on time of 10µs (max.) and turn-off time of 1µs (max.) maximizes the speed of the logic output circuit. Thanks to its high common-mode transients immunity (up to ±2500V/µs) and its good noise denoising capabilities, the HCPL-4661-520E is widely used in medical, automotive, industrial, and other applications where noise immunity is a must. It is also suitable for high frequency operation with a maximum data rate of 30 Mbps. Finally, it is important to note that the HCPL-4661-520E has an ambient temperature range between -40 and 100°C, allowing it to work in extreme temperatures and in areas with high electromagnetic interference levels. It is a reliable and efficient optoisolator for applications requiring a logic output.

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