HCPL-2601#520

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Number of Channels:	1
Inputs - Side 1/Side 2:	1/0
Voltage - Isolation:	5000Vrms
Common Mode Transient Immunity (Min):	10kV/µs
Input Type:	DC
Output Type:	Open Collector, Schottky Clamped
Current - Output / Channel:	50mA
Data Rate:	10MBd
Propagation Delay tpLH / tpHL (Max):	100ns, 100ns
Rise / Fall Time (Typ):	24ns, 10ns
Voltage - Forward (Vf) (Typ):	1.5V
Current - DC Forward (If) (Max):	20mA
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	8-SMD, Gull Wing
Supplier Device Package:	8-DIP Gull Wing

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IntroductionThe HCPL-2601#520 is a surface mount optical isolator in the Optoisolators - Logic Output series of components. It is designed to provide a secure and isolated logic control between two devices. The component is made of gallium sulfide (GaAs) and has an open collector output, high isolation voltage and low-power operation. The device operates with a peak forward current of 20mA and its output is compatible with most TTL and CMOS logic levels.FeaturesThe HCPL-2601#520 features the following:• High isolation voltage with an isolation voltage rating of 5kVrms for 1 minute.• Low current consumption of 5uA max.• Low on-state output voltage of 0.4V max. • Low on-state output saturation voltage of 0.3V max • Low input/output propagation delay of 2.5ns max.• Low output noise (<50mVp-p, 20nS/100mS)• Low crosstalk voltage between channels (<50mV)• High-temperature rating of +105°C (for storage)• Small package size of 4.7 x 5.1 x 0.86mmApplication FieldsThe small size and high isolation voltage of the HCPL-2601#520 makes it an ideal choice for applications in the industrial, functional safety, patient safety and HVAC markets. Its low propagation delay makes it useful for applications requiring high speed data transmission. The low-power consumption and high-temperature rating make it suitable for telecommunication and smart grid equipment in harsh environmental conditions.The HCPL-2601#520 is perfect for use as signal isolators and noise filters in high voltage protection circuits, digital and analog signal conditioners, digital Isolators, DC-DC converters, servo-systems, engineering controls and other applications requiring high-voltage isolation.Working PrincipleThe HCPL-2601#520 optoisolator works by using a light-emitting diode (LED) to transmit optical signals across an electrical-optical boundary, in which the electrical signals of one device are converted into light signals. As the light passes through a light barrier, it is converted back into electrical signals by a photo detector which, in turn, triggers the output port of the isolator.The LED is driven by the input current, typically 5mA. The current passes through the LED, producing a light signal whose intensity is determined by the current. The light passes through the plastic enclosure of the isolator onto the photodiode, which in turn the driver transistor into conduction and turns off the transistor. This turns on the output port. The output port remains on until the input current is removed or turned off. The optoisolator also passes a limited amount of high-voltage insulation through the light barrier and isolates the input port from the output port. This ensures that the output port does not have any electrical contact with the input port, providing high levels of isolation to protect both circuit elements from damage.ConclusionThe HCPL-2601#520 is a high-quality optoisolator that offers superior levels of isolation, low current consumption, and small package size. The isolator is designed to provide a secure and isolated logic control between two devices, making it ideal for use in patient safety, functional safety, high-voltage protection, digital and analog signal conditioners, and telecommunications applications. The optoisolator works by using LED light signals, which are converted to electrical signals by the photodiode, triggering the output port. This allows the input and output ports to be isolated, ensuring that the output does not have any contact with the input port.

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