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AFBR-5205PZ Datasheet(PDF) 2 Page - AVAGO TECHNOLOGIES LIMITED |
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AFBR-5205PZ Datasheet(HTML) 2 Page - AVAGO TECHNOLOGIES LIMITED |
2 / 19 page 2 Figure 1. SC block diagram. Receiver Sections The receiver sections of the AFBR-5205Z series utilize InGaAs PIN photodiodes coupled to a custom silicon tran- simpedance preamplifier IC. These are packaged in the optical subassembly portion of the receiver. These PIN/preamplifier combinations are coupled to a custom quantizer IC which provides the final pulse shaping for the logic output and the Signal Detect function. The data output is differential. The signal detect output is single-ended. Both data and signal detect outputs are PECL compatible, ECL referenced (shifted) to a +5 volt power supply. Package The overall package concept for the Avago transceivers consists of three basic elements; the two optical sub- assemblies, an electrical subassembly, and the housing as illustrated in the block diagrams in Figure 1 and Figure 1a. The package outline drawing and pin out are shown in Figures 2, 2a, and 3. The details of this package outline and pin out are compliant with the multisource definition of the 1x9 SIP. The low profile of the Avago transceiver design complies with the maximum height allowed for the duplex SC connector over the entire length of the package. Figures 2b and 2c show the outline drawings for options that include mezzanine height and extended and flush shields respectively. The optical subassemblies utilize a high volume assembly process together with low cost lens elements which result in a cost effective building block. The electrical subassembly consists of a high volume multilayer printed circuit board on which the IC chips and various surface-mounted passive circuit elements are attached. The package includes internal shields for the electrical and optical subassemblies to insure low EMI emissions and high immunity to external EMI fields. The outer housing including the duplex SC connector or the duplex ST ports is molded of filled non-conductive plastic to provide mechanical strength and electrical isolation. The solder posts of the Avago design are isolated from the circuit design of the transceiver and do not require connection to a ground plane on the circuit board. The transceiver is attached to a printed circuit board with the nine signal pins and the two solder posts which exit the bottom of the housing. The two solder posts provide the primary mechanical strength to withstand the loads imposed on the transceiver by mating with the duplex or simplex SC or ST connectored fiber cables. Note: The “T” in the product numbers indicates a transceiver with a duplex ST connector receptacle. Product numbers without a “T” indicate transceivers with a duplex SC connector receptacle. Application Information The Applications Engineering group in the Avago Optical Communication Division is available to assist you with the technical understanding and design trade-offs associated with these transceivers. You can contact them through your Avago sales representative. DATA OUT SIGNAL DETECT OUT DATA IN ELECTRICAL SUBASSEMBLY QUANTIZER IC DRIVER IC TOP VIEW PIN PHOTODIODE DUPLEX SC RECEPTACLE OPTICAL SUBASSEMBLIES LED PREAMP IC DIFFERENTIAL SINGLE-ENDED DIFFERENTIAL |
Similar Part No. - AFBR-5205PZ |
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Similar Description - AFBR-5205PZ |
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