HCPL-663K

Data Rate:	10MBd
Supplier Device Package:	20-LCCC
Package / Case:	20-CLCC
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C
Voltage - Supply:	4.5 V ~ 5.5 V
Current - DC Forward (If) (Max):	20mA
Voltage - Forward (Vf) (Typ):	1.5V
Rise / Fall Time (Typ):	35ns, 35ns
Propagation Delay tpLH / tpHL (Max):	100ns, 100ns
Series:	--
Current - Output / Channel:	25mA
Output Type:	Open Collector, Schottky Clamped
Input Type:	DC
Common Mode Transient Immunity (Min):	1kV/µs
Voltage - Isolation:	1500VDC
Inputs - Side 1/Side 2:	2/0
Number of Channels:	2
Part Status:	Active
Packaging:	Tube

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Optoisolators - Logic OutputOptoisolators, also known as optocouplers, are devices used to isolate two electrical circuits. They can provide electrical isolation between input and output signals, thus preventing high-voltage spikes from affecting the control circuits. In this article, we will discuss the application field and working principle of the HCPL-663K optoisolator.HCPL-663K is an optocoupler using the Gallium Arsenide Infrared Emitting Diode (GaAIrED) input and the open-collector Schottky TTL output. It has an ultra-small optically coupled package, a low propagation delay, a low diode forward voltage, and an excellent common-mode transient immunity.The HCPL-663K optoisolator is often used for transferring data signal, controlling, and protecting logic power circuits. It is also often used to ensure signal integrity in automotive and industrial control systems that need to remotely control a system from a long distance. The device helps protect any sensitive logic circuits from heavy noise, disruptions or power surges before they are able to cause any damage. It has a wide range of applications in consumer electronics, computer peripherals, industrial control systems, motor drive control, security systems, and more.The HCPL-663K optoisolator typically works by connecting the GaAIrED input of the device to the driving circuit and its output to the receiving circuit. When the LED is on, the Schottky output will be connected to 0V. When the LED is off, the Schottky output will remain isolated.The high-gain current transfer ratio of the HCPL-663K optoisolator allows it to safely transfer digital signals with very low power consumption. This ensures that the device is capable of operating in multiplexed systems. The GaAIrED-Schottky Optoisolator also features a low input-to-output capacitance, which eliminates the need for additional series resistor. This allows it to easily interface with different digital logic families.In summary, the HCPL-663K optoisolator is an ideal device for instantaneous galvanic isolation between different digital logic levels. It is suitable for a wide range of applications such as data transfer, signal protection, and remote control. This optocoupler offers high current transfer ratio and low input-to-output capacitance, without needing any additional series resistors. It provides excellent common-mode transient immunity to mitigate noise and transient spikes.

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