APS1551SX

Data Rate:	50Mbps
Supplier Device Package:	6-SO, 5 Lead
Package / Case:	6-SOIC (0.173", 4.40mm Width), 5 Leads
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 105°C
Voltage - Supply:	4.5 V ~ 5.5 V
Current - DC Forward (If) (Max):	25mA
Voltage - Forward (Vf) (Typ):	1.6V
Rise / Fall Time (Typ):	4ns, 5ns
Propagation Delay tpLH / tpHL (Max):	30ns, 30ns
Series:	--
Current - Output / Channel:	10mA
Output Type:	Push-Pull, Totem Pole
Input Type:	DC
Common Mode Transient Immunity (Min):	15kV/µs
Voltage - Isolation:	3750Vrms
Inputs - Side 1/Side 2:	1/0
Number of Channels:	1
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to APS1551SX

The APS1551SX Series is a 4-bit optoisolator logic output device that enables isolation up to 5000Vrms between input and output. It is primarily designed for protection of data interface lines, automation and power systems as well as industrial, telecom and instrumentation applications. It is an all-in-one solution that provides a high speed/current response with a wide potential range of 5.5V-24V. The device offers a simple build-up within the limited space available in a PCB. It also combines a surge suppression protection that helps protect the connected systems from electrical transients caused by electrical disturbances.

Features

The APS1551SX features a wide potential range of 5.5V up to 24V and isolation up to 5000Vrms. The device features a 4 bit optoisolator logic output and can support a wide range of operation temperatures from -30 to +85°C. The device is compact, with a profile of only 4mm, and is constructed with a Perimiter seal that protects against solids, liquids, and gases. It also features an integrated surge protection against electrical disturbances.

Application Fields of APS1551SX

The APS1551SX is ideal for inter-module communication and protection of data interface lines in industrial, automotive, telecom and instrumentation applications. It can also be used to provide isolation between input and output of automation systems and power systems. Its surge protection helps protect against electrical transients caused by electrical disturbances.

Working Principle of APS1551SX

The APS1551SX is an optoisolator which is based on the principle of optoelectronics. An optoelectronic device generates an electrical signal when it is exposed to a light source. The APS1551SX uses an LED as a light source, which is driven by an input voltage. The light generated by the LED is then directed to a photodiode. The photodiode absorbs the light emitted by the LED and generates an output voltage. This output voltage is then converted into a logic level signal by the device’s internal circuitry. The device offers a high speed response, with a switching frequency up to 2MHz. It is also able to support a wide range of operating temperatures from -30 to +85°C. The device also integrates a surge suppression protection which helps protect against voltage transients caused by electrical disturbances. This surge suppression is achieved by clamping the voltage spikes to a safe level and limiting the current flow. The APS1551SX is a low cost, low power solution for isolation needs. It is easy to integrate and requires minimal external components and space.

Conclusion

The APS1551SX is a 4-bit optoisolator logic output device that provides up to 5000Vrms of isolation to ensure protection of data interface lines in various industrial, automotive, telecom and instrumentation applications. It is a low cost, low power solution that requires minimal external components and space. It is ideal for inter-module communication and provides high speed and current response with a wide potential range of 5.5V to 24V. The device also integrates a surge suppression protection that helps protect the connected systems from electrical transients caused by electrical disturbances.

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