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SFH551

Avago
Part Number SFH551
Manufacturer Avago
Description Receiver
Published Nov 4, 2014
Detailed Description SFH551/1-1 and SFH551/1-1V Receiver with Digital Output Stage for Polymer Optical Fiber Applications Data Sheet Descrip...
Datasheet PDF File SFH551 PDF File

SFH551
SFH551

Overview
SFH551/1-1 and SFH551/1-1V Receiver with Digital Output Stage for Polymer Optical Fiber Applications Data Sheet Description The SFH551/1-1 receiver is a transimpedance amplifier with an integrated photodiode and TTL open-collector output stage.
The active area of this detector combined with the molded microlens gives an efficient coupling from the end of the polymer optical fiber.
This receiver enables data rates up to 5 MBd and works with the Avago SFH757 transmitter diode.
The SFH551/1-1 is fully DC coupled and therefore no line code is needed.
The internal Schmitt trigger ensures stable output states over the whole dynamic range.
If light with intensity above the threshold level is coupled into the SFH551/1-1, the electrical output will be logical “low” and vice versa.
With noisefree Vcc and GND, an undefined output signal is not possible.
Nevertheless, the SFH551/1-1 must not be used without shielding from ambient light.
If ambient light could reach the threshold level, the SFH551/1-1V component should be chosen.
The plastic connector housing of the SFH V-series shields the ambient light perfectly.
SFH series components are optimized for easy coupling.
No fiber stripping is required; just insert the cut fiber into the selected SFH component.
Features  Bipolar IC with open-collector output  Digital output, full TTL compatible  Sensitive in visible and near IR range  Transfer rate ≤ 5MBd  Low switching threshold  2.
2mm aperture holds standard 980/1000/2200μm plastic fibers  No fiber stripping required  Molded microlens for efficient coupling Plastic Direct Fiber Connector housing (V-housing)  Locking screw attached to the connector  Interference-free transmission by the light-tight housing  Transmitter and receiver can be positioned flexibly  No cross talk  Auto insertable and wave solderable  Supplied in tubes Ordering Information Applications  Household electronics  Power electronics  Optical networks Application Literature A...


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