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| Versatile Link The Versatile Fiber Optic Connection Technical Data HFBR-0501 Series Features * Low Cost Fiber Optic Components * Enhanced Digital Links dc-5 MBd * Extended Distance Links up to 120 m at 40 kBd * Low Current Link: 6 mA Peak Supply Current * Horizontal and Vertical Mounting * Interlocking Feature * High Noise Immunity * Easy Connectoring Simplex, Duplex, and Latching Connectors * Flame Retardant * Transmitters Incorporate a 660 nm Red LED for Easy Visibility * Compatible with Standard TTL Circuitry * Isolation in Test and Measurement Instruments * Error Free Signalling for Industrial and Manufacturing Equipment * Automotive Communications and Control Networks * Noise Immune Communication in Audio and Video Equipment Description The Versatile Link series is a complete family of fiber optic link components for applications requiring a low cost solution. The HFBR-0501 series includes transmitters, receivers, connectors and cable specified for easy design. This series of components is ideal for solving problems with voltage isolation/insulation, EMI/RFI immunity or data security. The optical link design is simplified by the logic compatible receivers and complete specifications for each component. The key optical and electrical parameters of links configured with the HFBR-0501 family are fully guaranteed from 0 to 70C. A wide variety of package configurations and connectors provide the designer with numerous mechanical solutions to meet application requirements. The transmitter and receiver components have been designed for use in high volume/low cost assembly processes such as auto insertion and wave soldering. Transmitters incorporate a 660 nm LED. Receivers include a monolithic dc coupled, digital IC receiver with open collector Schottky output transistor. An internal pullup resistor is available for use in the HFBR-25X1/2/ 4 receivers. A shield has been integrated into the receiver IC to provide additional, localized noise immunity. Internal optics have been optimized for use with 1 mm diameter plastic optical fiber. Versatile Link specifications incorporate all connector interface losses. Therefore, optical calculations for common link applications are simplified. Applications * Reduction of Lightning/Voltage Transient Susceptibility * Motor Controller Triggering * Data Communications and Local Area Networks * Electromagnetic Compatibility (EMC) for Regulated Systems: FCC, VDE, CSA, etc. * Tempest-Secure Data Processing Equipment 2 HFBR-0501 Series Part Number Guide HFBR X5XX 1 = Transmitter 2 = Receiver 5 = 600 nm Transmitter and Receiver Products 2 = Horizontal Package 3 = Vertical Package 1 = 5 MBd High Performance Link 2 = 1 MBd High Performance Link 3 = 40 kBd Low Current/Extended Distance Link 4 = 1 MBd Standard Link 6 = 155 MBd Receiver 7 = 155 MBd Transmitter 8 = 10 MBd High Performance Link Link Selection Guide (Links specified from 0 to 70C, for plastic optical fiber unless specified.) Signal Rate 40 kBd 1 MBd 1 MBd 5 Mbd Distance (m) 25C 120 20 55 30 Distance (m) 110 10 45 20 Transmitter HFBR-1523 HFBR-1524 HFBR-1522 HFBR-1521 Receiver HFBR-2523 HFBR-2524 HFBR-2522 HFBR-2521 Evaluation Kit HFBR-0501 1 MBd Versatile Link: This kit contains: HFBR-1524 Tx, HFBR-2524 Rx, polishing kit, 3 styles of plastic connectors, Bulkhead feedthrough, 5 meters of 1 mm diameter plastic cable, lapping film and grit paper, and HFBR-0501 data sheet. Application Literature Application Note 1035 (Versatile Link) Package and Handling Information The compact Versatile Link package is made of a flame retardant VALOX(R) UL 94 V-0 material (UL file # E121562) and uses the same pad layout as a standard, eight pin dual-in-line package. Vertical and horizontal mountable parts are available. These low profile Versatile Link packages are stackable and are enclosed to provide a dust resistant seal. Snap action simplex, simplex latching, duplex, and duplex latching connectors are offered with simplex or duplex cables. Package Orientation Performance and pinouts for the vertical and horizontal packages are identical. To provide additional attachment support for the vertical Versatile Link housing, the designer has the option of using a self-tapping screw through a printed circuit board into a mounting hole at the bottom of the package. For most applications this is not necessary. Package Housing Color Versatile Link components and simplex connectors are color coded to eliminate confusion VALOX(R) is a registered trademark of the General Electric Corporation. 3 when making connections. Receivers are blue and transmitters are gray, except for the HFBR-15X3 transmitter, which is black. Handling Versatile Link components are auto-insertable. When wave soldering is performed with Versatile Link components, the optical port plug should be left in to prevent contamination of the port. Do not use reflow solder processes (i.e., infrared reflow or vapor-phase reflow). Nonhalogenated water soluble fluxes (i.e., 0% chloride), not rosin based fluxes, are recommended for use with Versatile Link components. Versatile Link components are moisture sensitive devices and are shipped in a moisture sealed bag. If the components are exposed to air for an extended period of time, they may require a baking step before the soldering process. Refer to the special labeling on the shipping tube for details. CAUTION This bag contains MOISTURE-SENSITIVE DEVICES Recommended Chemicals for Cleaning/Degreasing Alcohols: methyl, isopropyl, isobutyl. Aliphatics: hexane, heptane, Other: soap solution, naphtha. Do not use partially halogenated hydrocarbons such as 1,1.1 trichloroethane, ketones such as MEK, acetone, chloroform, ethyl acetate, methylene dichloride, phenol, methylene chloride, or Nmethylpyrolldone. Also, Agilent does not recommend the use of cleaners that use halogenated hydrocarbons because of their potential environmental harm. Level 4 1. Shelf life in sealed bag: 12 months at < 40C and < 90% Relative Humidity (RH). 2. After this bag is opened, devices that will be subjected to wave soldering, or equivalent processing (solder temperature < 260C for 10 sec) must be: a) Mounted within 72 hours at factory conditions of 30 C/60% RH. b) Stored at 20% RH. 3. Devices require baking, before mounting, if: a) Desiccant changes to PINK. b) If 2a or 2b are not met. 4. If baking is required, devices may be baked outside of tube for 20 hours at 75C. Bag Seal Date: ______________________________________________________ (If blank, see barcode label) Note: LEVEL defined by EIA JEDEC Standard J-STD-020 Mechanical Dimensions Horizontal Modules Vertical Modules 2.0 (0.080) 6.8 (0.270) 10.2 (0.400) 18.8 (0.740) 5.1 (0.200) 4.2 (0.165) 7.6 (0.30) 0.64 (0.025) 7.71 7.6 (0.305) (0.30) 18.8 0.740 7.62 (0.300) 3.81 (0.150) MAX. 3.56 (0.140) MIN. 0.51 (0.020) 1.27 (0.050) 2.5 (0.100) 0.64 (0.025) DIA. 2.8 (0.109) 1.85 (0.073) 4 Versatile Link Printed Board Layout Dimensions Horizontal Module Vertical Module 7.62 (0.300) 2.54 (0.100) 1.01 (0.040) DIA. 4 TOP VIEW 3 2 1 7.62 (0.300) 5 6 1.85 MIN. (0.073) PCB EDGE DIMENSIONS IN MILLIMETERS (INCHES). Interlocked (Stacked) Assemblies (refer to Figure 1) Horizontal packages may be stacked by placing units with pins facing upward. Initially engage the interlocking mechanism by sliding the L bracket body from above into the L slot body of the lower package. Use a straight edge, such as a ruler, to bring all stacked units into uniform alignment. This technique prevents potential harm that could occur to fingers and hands of assemblers from the package pins. Stacked horizontal packages can be disengaged if necessary. Repeated stacking and unstacking causes no damage to individual units. To stack vertical packages, hold one unit in each hand, with the pins facing away and the optical ports on the bottom. Slide the L bracket unit into the L slot unit. The straight edge used for horizontal package alignment is not needed. Stacking Horizontal Modules Stacking Vertical Modules Figure 1. Interlocked (Stacked) Horizontal or Vertical Packages. 5 5 MBd Link (HFBR-15X1/25X1) System Performance 0 to 70C unless otherwise specified. Parameter High Data Rate Performance Link Distance 5 MBd (Standard Cable) Link Distance (Improved Cable) Propagation Delay Pulse Width Distortion tPLH-tPHL Symbol Min. Typ. Max. Units Conditions Ref. -9 , PRBS:27-1 dc 5 MBd BER 10 19 m IFdc = 60 mA Fig. 3 27 48 m IFdc = 60 mA, 25C Note 3 22 m IFdc = 60 mA Fig. 4 27 53 m IFdc = 60 mA, 25C Note 3 tPLH 80 140 ns RL = 560 , CL = 30 pF Fig. 5, 8 tPHL 50 140 ns fiber length = 0.5 m Notes 1, 2 -21.6 PR -9.5 dBm tD 30 ns PR = -15 dBm Fig. 5, 7 RL = 560 , CL = 30 pF Notes: 1. The propagation delay for one metre of cable is typically 5 ns. 2. Typical propagation delay is measured at PR = -15 dBm. 3. Estimated typical link life expectancy at 40C exceeds 10 years at 60 mA. Figure 2. Typical 5 MBd Interface Circuit. 100 100 I F - FORWARD CURRENT (mA) 50 40 30 20 OVERDRIVE UNDERDRIVE I F - FORWARD CURRENT (mA) 50 40 30 20 OVERDRIVE UNDERDRIVE 10 0C-70C 25C 0 10 20 30 40 50 10 0C-70C 25C 0 10 20 30 40 50 60 5 5 - CABLE LENGTH - METRES - CABLE LENGTH - METRES Figure 3. Guaranteed System Performance with Standard Cable (HFBR-15X1/25X1). Figure 4. Guaranteed System Performance with Improved Cable (HFBR-15X1/25X1). 6 Figure 5. 5 MBd Propagation Delay Test Circuit. Figure 6. Propagation Delay Test Waveforms. 500 tD - PULSE WIDTH DISTORTION - ns 500 70C 400 HFBR-15X2/25X2 HFBR-15X4/25X4 tp - PROPAGATION DELAY - ns 400 HFBR-15X2/25X2 HFBR-15X4/25X4 300 tpLH 25C 0C 300 200 200 HFBR-15X1/25X1 100 tpHL 0 -25 -20 -15 -10 -5 0 tpLH 100 HFBR-15X1/25X1 70C 25C 0C -5 0 0 -25 -20 -15 -10 PR - INPUT OPTICAL POWER - dBm PR - INPUT OPTICAL POWER - dBm Figure 7. Typical Link Pulse Width Distortion vs. Optical Power. Figure 8. Typical Link Propagation Delay vs. Optical Power. 7 HFBR-15X1 Transmitter 8 DO NOT CONNECT ANODE CATHODE N.C. N.C. 1 2 3 4 5 DO NOT CONNECT Pin # 1 2 3 4 5 8 Function Anode Cathode Open Open Do not connect Do not connect Note: Pins 5 and 8 are for mounting and retaining purposes only. Do not electrically connect these pins. Absolute Maximum Ratings Parameter Storage Temperature Operating Temperature Lead Soldering Cycle Forward Input Current Reverse Input Voltage Symbol TS TA Temp. Time IFPK IFdc VBR Min. -40 -40 Max. +85 +85 260 10 1000 80 5 Units C C C sec mA V Reference Note 1 Note 2, 3 Notes: 1. 1.6 mm below seating plane. 2. Recommended operating range between 10 and 750 mA. 3. 1 s pulse, 20 s period. All HFBR-15XX LED transmitters are classified as IEC 825-1 Accessible Emission Limit (AEL) Class 1 based upon the current proposed draft scheduled to go into effect on January 1, 1997. AEL Class 1 LED devices are considered eye safe. Contact your local Agilent sales representative for more information. 8 Transmitter Electrical/Optical Characteristics 0C to 70C unless otherwise specified. Parameter Transmitter Output Optical Power Output Optical Power Temperature Coefficient Peak Emission Wavelength Forward Voltage Forward Voltage Temperature Coefficient Effective Diameter Numerical Aperture Reverse Input Breakdown Voltage Diode Capacitance Rise Time Fall Time Symbol PT PT /T PK VF VF/T D NA VBR CO tr tf 1.45 Min. Typ.[5] -16.5 -14.3 -0.85 660 1.67 -1.37 1 0.5 11.0 86 80 40 2.02 Max. -7.6 -8.0 Units dBm dBm %/C nm V IFdc = 60 mA mV/C mm V pF ns ns IFdc = 10 A, TA = 25C VF = 0, f = MHz 10% to 90%, IF = 60 mA Conditions IFdc = 60 mA IFdc = 60 mA, 25C Ref. Notes 1, 2 Fig. 9 5.0 Note 3 Notes: 1. Measured at the end of 0.5 m standard fiber optic cable with large area detector. 2. Optical power, P (dBm) = 10 Log [P(W)/1000 W]. 3. Rise and fall times are measured with a voltage pulse driving the transmitter and a series connected 50 load. A wide bandwidth optical to electrical waveform analyzer, terminated to a 50 input of a wide bandwidth oscilloscope, is used for this response time measurement. 1.8 PT - NORMALIZED OUTPUT POWER - dB 5 VF - FORWARD VOLTAGE - V 0 1.7 0C 1.6 25C -5 -10 1.5 70C -15 1.4 2 10 100 IFdc - TRANSMITTER DRIVE CURRENT (mA) -20 2 10 100 IFdc - TRANSMITTER DRIVE CURRENT (mA) Figure 9. Typical Forward Voltage vs. Drive Current. Figure 10. Normalized Typical Output Power vs. Drive Current. 9 HFBR-25X1 Receiver DO NOT CONNECT 5 1000 4 3 2 1 RL VCC GROUND VO DO NOT CONNECT 8 Pin # 1 2 3 4 5 8 Function VO Ground VCC RL Do not connect Do not connect Note: Pins 5 and 8 are for mounting and retaining purposes only. Do not electrically connect these pins. Absolute Maximum Ratings Parameter Storage Temperature Operating Temperature Lead Soldering Cycle Symbol TS TA Temp. Time VCC IOAV POD VO VP N -0.5 Min. -40 -40 Max. +85 +85 260 10 7 25 40 18 VCC 5 Units C C C sec V mA mW V V Reference Note 1 Note 2 Supply Voltage Output Collector Current Output Collector Power Dissipation Output Voltage Pull-up Voltage Fan Out (TTL) -0.5 -5 Notes: 1. 1.6 mm below seating plane. 2. It is essential that a bypass capacitor 0.01 F be connected from pin 2 to pin 3 of the receiver. Total lead length between both ends of the capacitor and the pins should not exceed 20 mm. Receiver Electrical/Optical Characteristics 0C to 70C, 4.75 V VCC 5.25 V unless otherwise specified Parameter Symbol Min. Typ. Max. Input Optical Power P R(L) -21.6 -9.5 Level for Logic "0" -21.6 -8.7 Input Optical Power Level for Logic "1" High Level Output Current Low Level Output Current High Level Supply Current Low Level Supply Current Effective Diameter Numerical Aperture Internal Pull-up Resistor PR(H) IOH VOL ICCH ICCL D NA RL 5 0.4 3.5 6.2 1 0.5 1000 -43 250 0.5 6.3 10 Units dBm dBm A V mA mA mm Conditions VOL = 0.5 V IOL = 8 mA VOL = 0.5 V IOL = 8 mA, 25C VOL = 5.25 V IOH 250 A VO = 18 V, PR = 0 IOL = 8 mA, PR = PR(L)MIN VCC = 5.25 V, PR = 0 VCC = 5.25 V PR = -12.5 dBm Ref. Notes 1, 2, 4 Note 1 Note 3 Note 3 Note 3 Note 3 680 1700 Notes: 1. Optical flux, P (dBm) = 10 Log [P (W)/1000 W]. 2. Measured at the end of the fiber optic cable with large area detector. 3. RL is open. 4. Pulsed LED operation at IF > 80 mA will cause increased link tPLH propagation delay time. This extended t PLH time contributes to increased pulse width distortion of the receiver output signal. 10 1 MBd Link (High Performance HFBR-15X2/25X2, Standard HFBR-15X4/25X4) System Performance Under recommended operating conditions unless otherwise specified. Parameter High Data Rate Performance Link Distance 1 MBd (Standard Cable) Link Distance (Improved Cable) Propagation Delay Pulse Width Distortion tPLH-tPHL tPLH tPHL tD Symbol Min. Typ. Max. Units Conditions dc 1 MBd BER 10-9 , PRBS:27-1 39 m IFdc = 60 mA 47 70 m IFdc = 60 mA, 25C 45 56 m m ns ns ns Ref. 78 180 250 100 140 80 Fig. 14 Notes 1, 3, 4 IFdc = 60 mA Fig. 15 IFdc = 60 mA, 25C Notes 1, 3, 4 RL = 560 , CL = 30 pF Fig. 16, 18 I = 0.5 metre Notes 2, 4 PR = -24 dBm PR = -24 dBm Fig. 16, 17 RL = 560 , CL = 30 pF Note 4 Standard 1 MBd Parameter Data Rate Link Distance (Standard Cable) Link Distance (Improved Cable) Propagation Delay Pulse Width Distortion tPLH-tPHL Symbol Min. Typ. Max. Units Conditions dc 1 MBd BER 10-9, PRBS:27-1 8 m IFdc = 60 mA 17 43 m IFdc = 60 mA, 25C 10 19 tPLH tPHL tD m m ns ns ns Ref. 48 180 250 100 140 80 Fig. 12 Notes 1, 3, 4 IFdc = 60 mA Fig. 13 IFdc = 60 mA, 25C Notes 1, 3, 4 RL = 560 , CL = 30 pF Fig. 16, 18 I = 0.5 metre Notes 2, 4 PR = -20 dBm PR = -20 dBm Fig. 16, 17 RL = 560 , CL = 30 pF Note 4 Notes: 1. For IFPK > 80 mA, the duty factor must be such as to keep IFdc 80 mA. In addition, for IFPK > 80 mA, the following rules for pulse width apply: IFPK 160 mA: Pulse width 1 ms IFPK > 160 mA: Pulse width 1 S, period 20 S. 2. The propagation delay for one meter of cable is typically 5 ns. 3. Estimated typical link life expectancy at 40C exceeds 10 years at 60 mA. 4. Pulsed LED operation at IFPK > 80 mA will cause increased link tPLH propagation delay time. This extended t PLH time contributes to increased pulse width distortion of the receiver output signal. 11 Figure 11. Required 1 MBd Interface Circuit. The HFBR-25X2 receiver can not be overdriven when using the required interface circuit shown in Figure 11. 100 90 80 I F - FORWARD CURRENT (mA) I F - FORWARD CURRENT (mA) 100 90 80 70 60 50 40 HFBR-15X4/25X4 30 0C-70C 25C 0 10 20 30 70 60 50 40 HFBR-15X4/25X4 30 0C-70C 25C 0 5 10 15 20 25 20 20 - CABLE LENGTH - METRES - CABLE LENGTH - METRES Figure 12. Guaranteed System Performance for the HFBR-15X4/25X4 Link with Standard Cable. Figure 13. Guaranteed System Performance for the HFBR-15X4/25X4 Link with Improved Cable. 100 100 IF - FORWARD CURRENT (mA) 50 40 30 20 UNDERDRIVE 10 0C-70C 25C IF - FORWARD CURRENT (mA) 50 40 30 20 UNDERDRIVE 10 0C-70C 25C 0 10 20 30 40 50 60 5 0 10 20 30 5 40 50 - CABLE LENGTH - METRES - CABLE LENGTH - METRES Figure 14. Guaranteed System Performance for the HFBR-15X2/25X2 Link with Standard Cable. Figure 15. Guaranteed System Performance for the HFBR-15X2/25X2 Link with Improved Cable. 12 Figure 16. 1 MBd Propagation Delay Test Circuit. 500 tD - PULSE WIDTH DISTORTION - ns 500 70C 400 HFBR-15X2/25X2 HFBR-15X4/25X4 tp - PROPAGATION DELAY - ns 400 HFBR-15X2/25X2 HFBR-15X4/25X4 300 tpLH 25C 0C 300 200 200 HFBR-15X1/25X1 100 tpHL 0 -25 -20 -15 -10 -5 0 tpLH 100 HFBR-15X1/25X1 70C 25C 0C -5 0 0 -25 -20 -15 -10 PR - INPUT OPTICAL POWER - dBm PR - INPUT OPTICAL POWER - dBm Figure 17. Pulse Width Distortion vs. Optical Power. Figure 18. Typical Link Propagation Delay vs. Optical Power. Figure 19. Propagation Delay Test Waveforms. 13 HFBR-15X2/15X4 Transmitters 8 DO NOT CONNECT ANODE CATHODE N.C. N.C. 1 2 3 4 5 DO NOT CONNECT Pin # 1 2 3 4 5 8 Function Anode Cathode Open Open Do not connect Do not connect Absolute Maximum Ratings Parameter Storage Temperature Operating Temperature Lead Soldering Cycle Forward Input Current Reverse Input Voltage Symbol TS TA Temp. Time IFPK IFdc VBR Min. -40 -40 Note: Pins 5 and 8 are for mounting and retaining purposes only. Do not electrically connect these pins. Max. +85 +85 260 10 1000 80 5 Units C C C sec mA V Reference Note 1 Note 2, 3 Notes: 1. 1.6 mm below seating plane. 2. Recommended operating range between 10 and 750 mA. 3. 1 s pulse, 20 s period. All HFBR-15XX LED transmitters are classified as IEC 825-1 Accessible Emission Limit (AEL) Class 1 based upon the current proposed draft scheduled to go into effect on January 1, 1997. AEL Class 1 LED devices are considered eye safe. Contact your Agilent sales representative for more information. Transmitter Electrical/Optical Characteristics 0C to 70C unless otherwise specified. For forward voltage and output power vs. drive current graphs. Parameter Symbol Min. Typ. Max. Transmitter HFBR-15X2 PT -13.6 -4.5 Output -11.2 -5.1 Optical HFBR-15X4 PT -17.8 -4.5 Power -15.5 -5.1 Output Optical Power PT/T -0.85 Temperature Coefficient Peak Emission Wavelength PK 660 Forward Voltage VF 1.45 1.67 2.02 Forward Voltage VF/T -1.37 Temperature Coefficient Effective Diameter DT 1 Numerical Aperture NA 0.5 Reverse Input Breakdown VBR 5.0 11.0 Voltage Diode Capacitance CO 86 Rise Time tr 80 Fall Time tf 40 Units dBm dBm %/C nm V mV/C mm V pF ns ns IFdc = 10 A, TA = 25C VF = 0, f = 1 MHz 10% to 90%, IF = 60 mA Conditions IFdc = 60 mA IFdc = 60 mA, 25C IFdc = 60 mA IFdc = 60 mA, 25C Ref. IFdc = 60 mA Fig. 11 Note 1 Note: 1. Rise and fall times are measured with a voltage pulse driving the transmitter and a series connected 50 load. A wide bandwidth optical to electrical waveform analyzer, terminated to a 50 input of a wide bandwidth oscilloscope, is used for this response time measurement. 14 HFBR-25X2/25X4 Receivers DO NOT CONNECT 5 1000 4 3 2 1 RL VCC GROUND VO DO NOT CONNECT 8 Pin # 1 2 3 4 5 8 Function VO Ground VCC RL Do not connect Do not connect Absolute Maximum Ratings Parameter Storage Temperature Operating Temperature Lead Soldering Cycle Symbol TS TA Temp. Time VCC IOAV P OD VO VP N -0.5 Min. -40 -40 Note: Pins 5 and 8 are for mounting and retaining purposes only. Do not electrically connect these pins. Supply Voltage Output Collector Current Output Collector Power Dissipation Output Voltage Pull-up Voltage Fan Out (TTL) -0.5 -5 Max. +85 +85 260 10 7 25 40 18 VCC 5 Units C C C sec V mA mW V V Reference Note 1 Note 2 Notes: 1. 1.6 mm below seating plane. 2. It is essential that a bypass capacitor 0.01 F be connected from pin 2 to pin 3 of the receiver. Total lead length between both ends of the capacitor and the pins should not exceed 20 mm. Receiver Electrical/Optical Characteristics 0C to 70C, 4.75 V VCC 5.25 V unless otherwise specified. Parameter Symbol Receiver HFBR-2522 PR(L) Optical Input Power Level HFBR-2524 Logic 0 Optical Input Power Level Logic 1 High Level Output Current Low Level Output Voltage High Level Supply Current Low Level Supply Current Effective Diameter Numerical Aperture Internal Pull-up Resistor PR(H) IOH VOL ICCH ICCL D NA RL 5 0.4 3.5 6.2 1 0.5 1000 Min. -24 -20 -43 250 0.5 6.3 10 dBm A V mA mA mm 1700 VOH = 5.25 V IOH = 250 A VO = 18 V, PR = 0 IOL = 8 mA PR = PR(L)MIN VCC = 5.25 V, PR = 0 VCC = 5.25 V, PR = -12.5 dBm Typ. Max. Units dBm Conditions VOL = 0 V IOL = 8 mA Ref. Notes 1, 2, 3 Note 4 Note 5 Note 5 Note 5 Note 5 680 Notes: 1. Measured at the end of the fiber optic cable with large area detector. 2. Pulsed LED operation at IF > 80 mA will cause increased link tPLH propagation delay time. This extended t PLH time contributes to increased pulse width distortion of the receiver output signal. 3. The LED drive circuit of Figure 11 is required for 1 MBd operation of the HFBR-25X2/25X4. 4. Optical flux, P (dBm) = 10 Log [P(W)/1000 W]. 5. RL is open. 15 40 kBd Link System Performance Under recommended operating conditions unless otherwise specified. Parameter Data Rate Link Distance (Standard Cable) Link Distance (Improved Cable) Propagation Delay Pulse Width Distortion tPLH-tPHL Symbol Min. dc 13 94 15 111 Typ. 41 138 45 154 4 2.5 7 Max. 40 Units kBd m m m m s s s Conditions BER 10-9, PRBS: 2 7 - 1 IFdc = 2 mA IFdc = 60 mA IFdc = 2 mA IFdc = 60 mA RL = 3.3 k, CL = 30 pF PR = -25 dBm, 1 m fiber -39 PR - 14 dBm RL = 3.3 k, CL = 30 pF Ref. Fig. 21 Note 1 Fig. 22 Note 1 Fig. 22, 25 Note 2 Fig. 23, 24 tPLH tPHL tD Notes: 1. Estimated typical link life expectancy at 40C exceeds 10 years at 60 mA. 2. The propagation delay for one metre of cable is typically 5 ns. Figure 20. Typical 40 kBd Interface Circuit. 120 100 80 60 120 100 80 60 I F - FORWARD CURRENT (mA) 40 20 10 6 4 2 1 HFBR-15X3/25X3 0C-70C 25C 0 10 20 30 40 50 60 70 80 90 100 I F - FORWARD CURRENT (mA) 40 20 10 6 4 0C-70C 25C 0 10 20 30 40 50 60 70 80 90 100 110 - CABLE LENGTH - METRES HFBR-15X3/25X3 2 - CABLE LENGTH - METRES Figure 21. Guaranteed System Performance with Standard Cable. Figure 22. Guaranteed System Performance with Improved Cable. 16 Figure 23. 40 kBd Propagation Delay Test Circuit. 6 8 7 t P - PROPAGATION DELAY - s t D - PULSE WIDTH DISTORTION - s 5 6 t PLH 5 4 3 2 t PHL 1 0 -40 4 3 2 1 0 -40 -34 -28 -22 -16 -10 -34 -28 -22 -16 -10 P R - INPUT OPTICAL POWER, dBm PR - INPUT OPTICAL POWER, dBm Figure 24. Typical Link Pulse Width Distortion vs. Optical Power. Figure 25. Typical Link Propagation Delay vs. Optical Power. Figure 26. Propagation Delay Test Waveforms. 17 HFBR-15X3 Transmitter 8 DO NOT CONNECT ANODE CATHODE N.C. N.C. 1 2 3 4 5 DO NOT CONNECT Pin # 1 2 3 4 5 8 Function Anode Cathode Open Open Do not connect Do not connect Note: Pins 5 and 8 are for mounting and retaining purposes only. Do not electrically connect these pins. Absolute Maximum Ratings Parameter Storage Temperature Operating Temperature Lead Soldering Cycle Forward Input Current Reverse Input Voltage Symbol TS TA Temp. Time IFPK IFdc VBR Min. -40 -40 Max. +85 +85 260 10 1000 80 5 Units C C C sec mA V Reference Note 1 Note 2, 3 Notes: 1. 1.6 mm below seating plane. 2. Recommended operating range between 10 and 750 mA. 3. 1 s pulse, 20 s period. All HFBR-15XX LED transmitters are classified as IEC 825-1 Accessible Emission Limit (AEL) Class 1 based upon the current proposed draft scheduled to go into effect on January 1, 1997. AEL Class 1 LED devices are considered eye safe. Contact your Agilent sales representative for more information. Transmitter Electrical/Optical Characteristics 0C to 70C unless otherwise specified. For forward voltage and output power vs. drive current graphs. Parameter Symbol Min. Typ. Max. Transmitter Output PT -11.2 -5.1 Optical Power -13.6 -4.5 -35.5 Output Optical Power PT/T -0.85 Temperature Coefficient Peak Emission PK 660 Wavelength Forward Voltage VF 1.45 1.67 2.02 Forward Voltage VF/T -1.37 Temperature Coefficient Effective Diameter D 1 Numerical Aperture NA 0.5 Reverse Input Breakdown VBR 5.0 11.0 Voltage Diode Capacitance CO 86 Rise Time tr 80 Fall Time tf 40 Units dBm Conditions Ref. IFdc = 60 mA, 25C Notes 3, 4 IFdc = 60 mA IFdc = 2 mA, 0-70C Fig. 9, 10 %/C nm V mV/C mm V pF ns IFdc = 10 A, TA = 25C VF = 0, f = 1 MHz 10% to 90%, IF = 60 mA IFdc = 60 mA Fig. 18 Note 1 Note: 1. Rise and fall times are measured with a voltage pulse driving the transmitter and a series connected 50 load. A wide bandwidth optical to electrical waveform analyzer, terminated to a 50 input of a wide bandwidth oscilloscope, is used for this response time measurement. 18 HFBR-25X3 Receiver DO NOT CONNECT 5 4 3 2 1 DO NOT CONNECT 8 VCC OPEN GROUND VO Pin # 1 2 3 4 5 8 Function VO Ground Open VCC Do not connect Do not connect Note: Pins 5 and 8 are for mounting and retaining purposes only. Do not electrically connect these pins. Absolute Maximum Ratings Parameter Storage Temperature Operating Temperature Lead Soldering Cycle Symbol TS TA Temp. Time VCC IO POD VO -0.5 -1 -0.5 Min. -40 -40 Max. +85 +85 260 10 7 5 25 7 Units C C C sec V mA mW V Reference Note 1 Note 2 Supply Voltage Average Output Collector Current Output Collector Power Dissipation Output Voltage Notes: 1. 1.6 mm below seating plane. 2. It is essential that a bypass capacitor 0.01 F be connected from pin 2 to pin 3 of the receiver. Receiver Electrical/Optical Characteristics 0C to 70C, 4.5 V VCC 5.5 V unless otherwise specified. Parameter Input Optical Power Level Logic 0 Input Optical Power Level Logic 1 High Level Output Voltage Low Level Output Voltage High Level Supply Current Low Level Supply Current Effective Diameter Numerical Aperture Symbol PR(L) Min. -39 -39 Typ. Max. -13.7 -13.3 -53 2.4 0.4 1.2 2.9 1 0.5 1.9 3.7 Units dBm Conditions VO = VOL, IOL = 3.2 mA VO = VOL , IOH = 8 mA, 25C VOH = 5.5 V IOH = 40 A IO = -40 A, PR = 0 W IOL = 3.2 mA PR = PR(L)MIN VCC = 5.5 V, PR = 0 W VCC = 5.5 V, PR = PRL (MIN) Ref. Notes 1, 2, 3 Note 3 PR(H) VOH VOL ICCH ICCL D NA dBm V V mA mA mm Note 4 Note 4 Notes: 1. Measured at the end of the fiber optic cable with large area detector. 2. Optical flux, P (dBm) = 10 Log P(W)/1000 W. 3. Because of the very high sensitivity of the HFBR-25X3, the digital output may switch in response to ambient light levels when a cable is not occupying the receiver optical port. The designer should take care to filter out signals from this source if they pose a hazard to the system. 4. Including current in 3.3 k pull-up resistor. www.semiconductor.agilent.com Data subject to change. Copyright (c) 2001 Agilent Technologies, Inc. June 12, 2001 Obsoletes 5968-1712E 5988-1765EN |
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