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| Fiber Optics Ternary PIN Photodiode with integrated Preamplifier IC SRP00294x SRP00295x Features * InGaAs/InP PIN photodiode with preamplifier IC * Designed for SONET OC-48 / SDH STM-16 applications in fiber-optics communication systems * Sensitive receiver for 2nd and 3rd optical window (1300 nm and 1550 nm) * Suitable for bit rates up to 2.5 Gbit/s * Module with high optical sensitivity * Fast switching times * Low dark current * Excellent noise immunity * High reverse current stability from planar structure * Hermetically sealed TO46 package Data Sheet 1 2001-12-01 SRP00294x SRP00295x Pin Configuration Pin Configuration Receiver with Preamp (bottom view) 2.54 mm Pinning 2 1 3 4 3 Out- 4 VCC Pin Preamp 2 1 Out+ Figure 1 Receiver with Preamp Data Sheet 2 2001-12-01 SRP00294x SRP00295x Description Description The Infineon optical receiver module has been designed for use in optical networks and is suitable for bit rates up to max. 2.5 Gbit/s if used without any TIA. The optical receiver module uses a high-speed PIN photodetector optional coupled with a hybrid low noise transimpedance amplifier (PIN-TIA). The optical receiver photodiode can be used for 1310 nm or 1550 nm optical communications. The PIN photodiode is made of InGaAs/InP and has an active diameter of 75 m. The function of the PIN and PIN-TIA optical receiver module is to detect input optical power, to transduce the incident radiation into current (PIN) and then to convert the current into a voltage (PIN-TIA). The low input noise current density of the used transimpedance amplifiers in PIN-TIA's provides the optical receiver module, when used with appropriate filtering, with ample sensitivity for realizing minimum input power requirements. Designers of optical receivers can use the module in any application that benefits from integration of the photodiode and TIA into a TO coaxial package. Typical for such applications are receivers for digital crossconnects, digital loop carriers, add/drop-multiplexers and optical network units. Last but not least the fast switching times, low dark currents and the packaging in a compact and hermetically sealed TO46 make the optical receivers usable in many other fiber optic receiver applications. One application is the use in a Compact realization of a transceiver in one module like the so called BIDI(R) (Figure 2). Beam Splitter Glass Lens TOLaser Fiber TO-Detector Figure 2 Compact Realization of the Transceiver in One Module Data Sheet 3 2001-12-01 SRP00294x SRP00295x Technical Data Technical Data Absolute Maximum Ratings Parameter Module Operating temperature range at case Storage temperature range Soldering temperature (tmax = 10 s, 2 mm distance from bottom edge of case) Receiver Diode Reverse Voltage Forward Current Optical power into the optical port Symbol Limit Values min. max. 85 85 260 C Unit TC Tstg TS -40 -40 VR IF Pport 20 10 1 V mA mW The electro-optical characteristics described in the following table are only valid for use within the specified maximum ratings or under the recommended operating conditions. Characteristics for Pin-Preamp Receivers at TA = 25C, unless otherwise specified. Preamp Characteristics Parameter DC-Characteristics Supply Voltage Supply Current AC-Characteristics Optical Sensitivity (BER 10-9, PN23) Linear Bandwidth (-3 dB) Optical overload (avg.) Symbol min. Limit Values typ. 5 47 -22 1200 9 40 11 1600 0 13 50 3 G RL 4 Unit max. 5.5 65 V mA dBm MHz dBm 17 60 34 -27 k pa/Hz V/mW dB 2001-12-01 VCC ICC S BW 4.5 35 Pmax Transimpedance (single ended) RT Rout Output resistance Noise current density Gain (differential) Return Loss, = 1310 nm Data Sheet 21 SRP00294x SRP00295x Technical Data Some Eye Diagrams Figure 3 Popt = 5 W avg. (OC-48/STM-16) Figure 5 Popt = 10 W avg. (OC-48/STM-16) Figure 4 Popt = 100 W avg. (OC-48/STM-16) Figure 6 Popt = 500 W avg. (OC-48/STM-16) Data Sheet 5 2001-12-01 SRP00294x SRP00295x Fiber Data Fiber Data The mechanical fiber characteristics are described in the following table. Fiber Characteristics Parameter min. Mode Field Diameter Cladding Diameter Mode Field/Cladding Concentricity Error Cladding Non-circularity Mode Field Non-circularity Cut off Wavelength Jacket Diameter Bending Radius Tensile Strength Fiber Case Length 1270 0.8 30 5 0.8 1.2 N m 1 123 Limit Values typ. 50 125 127 1 2 6 nm mm % max. m Unit Data Sheet 6 2001-12-01 SRP00294x SRP00295x Package Outlines Package Outlines SRP00294x SRP00295x Dimensions in mm Figure 7 Data Sheet 7 2001-12-01 SRP00294x SRP00295x Package Outlines Flange Options Type SRP00294x SRP00295x Connector Options Model SRP00294H SRP00295H SRP00294G SRP00295G SRP00294O SRP00295O SRP00294N SRP00295N SRP00294Q SRP00295Q SRP00294P SRP00295P SRP00294W SRP00295W SRP00294Z SRP00295Z Other connectors on request Type MM FC/PC SM FC/PC MM SC/PC 0 SM SC/PC 0 MM SC 8 APC SM SC 8 APC MM without connector SM without connector Flange without with Data Sheet 8 2001-12-01 SRP00294x SRP00295x Revision History: Previous Version: Page 2001-12-01 DS0 Subjects (major changes since last revision) Document's layout has been changed: 2002-Aug. For questions on technology, delivery and prices please contact the Infineon Technologies Offices in Germany or the Infineon Technologies Companies and Representatives worldwide: see our webpage at http://www.infineon.com. Edition 2001-12-01 Published by Infineon Technologies AG, St.-Martin-Strasse 53, D-81541 Munchen, Germany (c) Infineon Technologies AG 2002. All Rights Reserved. Attention please! The information herein is given to describe certain components and shall not be considered as warranted characteristics. Terms of delivery and rights to technical change reserved. We hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits, descriptions and charts stated herein. Infineon Technologies is an approved CECC manufacturer. Information For further information on technology, delivery terms and conditions and prices please contact your nearest Infineon Technologies Office in Germany or our Infineon Technologies Representatives worldwide. Warnings Due to technical requirements components may contain dangerous substances. For information on the types in question please contact your nearest Infineon Technologies Office. Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to affect the safety or effectiveness of that device or system. Life-support devices or systems are intended to be implanted in the human body, or to support and/or maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be endangered. |
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