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| LED/PHOTO IC Transmitter/receiver photo IC for optical link L8628, S8627-01A For MOST automotive network, 50 Mbps band POF communications L8628 and S8627-01A are transmitter and receiver photo ICs developed for MOST (Media Oriented System Transport) networks used in vehicles to communicate multimedia information. The transmitter photo IC L8628 consists of a red LED, driver IC and current regulator chip incorporated into a clear plastic package and can be set to an operating mode that reduces the optical output level by half. The receiver photo IC S8627-01A is a monolithic photo IC fabricated by the PiN-BiP process and features a wide dynamic range. It also has a low power consumption "sleeping mode" and an optical wakeup mode triggered by input of light. Both the transmitter and receiver photo IC input and output digital signals through a TTL interface. Features Applications l l l L8628 DC to 50 Mbps data communications TTL input Optical output 50 % cut mode S8627-01A l Only for vehicle networks (MOST) l 4 M to 50 Mbps data communications l Monolithic structure immune from external noise l TTL output l Wide dynamic range l Sleeping mode with optical wakeup s Absolute maximum ratings (Ta= 25 C) Parameter Supply voltage Operating temperature Storage temperature Soldering Symbol Vcc Topr Tstg Tsol Specifications of these products are subject to change without prior notice to keep up with changes in the MOST standard. L8628, S8627-01A -0.5 to +7.0 -40 to +95 -40 to +110 260 C, 5 s, 3 times, at least 2.5 mm away from lead root Unit V C C C S8627-01A s Electrical and optical characteristics (Ta= -40 to +85 C, Vcc=4.75 to 5.25 V) Param eter Sym bol Condition Min. Typ. Max. Unit Current consum ption 1, * 2 Icco * 30 mA (operation m ode) Current consum ption (sleeping mode) Iccs Dark state 30 A Receiver level Popt3 Bi-phase signal -24 -3.5 dBm High level output voltage Voh Ioh= -150 m 2.5 V Low level output voltage Vol Iol=1.6 m A 0.4 V Vout Rise tim e tr 9 10 to 90 % * 1, *2 ns Fall time tf 7 Pulse width variation tpwv * 1, * 2, * 3, * 5 18 29.8 ns Pulse width distortion (average value) tapwd * 1, * 2, * 3, * 5 -1.8 +6.6 ns O peration to sleeping m ode transition receivable level * 1, * 2, * 4 Psl -39 -25.5 dBm Sleeping mode to operation transition receivable level Pop High level voltage Vm h Ioh= -20 A 4.0 V Mode out Low level voltage Vm l Iol=0.88 m A 0.5 V *1: Measured with input signals conform ing to SP3 MOST specification of physical layer rev. 1.0. *2: Measured with RL=50 k , C L=15 pF (including parasitic capacitance such as probe, connector and evaluation circuit board pattern), and threshold voltage=1.5 V. *3: An optical input waveform is generated with a Ham am atsu standard transm itter. *4: Average optical power is m easured with a POF (NA=0.5). *5: Measured with BiPhase PRBS at 45.2 Mbps (NRZ signal conversion). Note) * If m odulated light at 4 Mbps or less (including DC light and no light input) is input to S8627, the high and low levels cannot be discerned. * A bypass capacitor (0.1 F) connected between Vcc and GND at a position within 3 m m from the lead, and a 10 F capacitor is also connected to the power supply line nearby. * The optical axis of the package lens is exactly aligned with the center axis of the optical plug, and the gap between the lens surface and the optical reference plane of the plug is 0.1 m m . 1 Transmitter/receiver photo IC for optical link s Mode output waveform INPUT SIGNAL DATA OPTICAL INPUT L8628, S8627-01A s Output waveform example NO INPUT SIGNAL tos Vmh tso MODE OUTPUT Vml Voh OUTPUT DATA OUTPUT VOLTAGE Vol KPICC0095EA Vertical axis: 1 V/div., Horizontal axis: 5 ns/div. (Ta=25 C, Vcc=5.25 V, Pi= -26 dBm, RL=50 k, CL=15 pF, 45.2 Mbps) L8628 s Electrical and optical characteristics (Ta= -40 to +85 C, Vcc= 4.75 to 5.25 V) Parameter Symbol Condition Min. Typ. Current consumption Icc Vin= 2.0 V, Rcont=13.5 k Peak emission wavelength 630 650 p Spectral half width (FWHM) 20 Fiber coupled optical power 1 Po1 Rcont=13.5 k *6, *7 -8.5 Fiber coupled optical power 2 Po2 Rcont=27 k *6, *7 -11.8 Extinction ratio re 10 Rise time at pulse drive tr 20 to 80 % *6 Fall time at pulse drive tf 80 to 20 % *6 Pulse width variation tpwv 50 % *6, *8 20.9 Pulse width distortion (average value) tapwd 50 % *6, *8 -0.5 *6: Measured with input signals conforming to SP1 MOST specification of physical layer rev. 1.0. *7: Average value measured with a plastic fiber (1 mm, SI-POF, NA=0.5, 1 m) made by Mitsubishi Rayon. *8: Measured with BiPhase PRBS at 45.2 Mbps (NRZ signal conversion). Max. 40 670 30 -2.5 -5.2 6.0 6.0 24.3 +1.5 Unit mA nm nm dBm dBm dB ns ns ns ns NOTE) * A bypass capacitor (0.1 F) connected between Vcc and GND at a position within 3 mm from the lead, and a 10 F capacitor is also connected to the power supply line nearby. * The optical axis of the package lens is exactly aligned with the center axis of the optical plug, and the gap between the lens surface and the optical reference plane of the plug is 0.1 mm. s Dimensional outlines (unit: mm) L8628 8.98 0.2 (INCLUDING BURR) 7.2 0.2 (INCLUDING BURR) (2 x) d = 0.8 0.05 3.7 0.05 S8627-01A 8.98 0.2 (INCLUDING BURR) 7.2 0.2 (INCLUDING BURR) 5.9 0.2 (INCLUDING BURR) 3.7 0.05 2.72 1.57 5.92 (2 x) d = 0.8 0.05 0.6 1.50 5.92 2.94 2.03 EMITTING POINT a a' a' 1.07 1.27 2.45 5.9 0.2 (INCLUDING BURR) (4 x) 0.5 0.05 (18.0) (18.0) (4 x) 0.5 0.05 (2 x) 10 (2 x) 10 5.1 5.1 a' 1.07 1.27 2.45 2.54 2.54 2.54 (SPECIFIED AT THE LEAD ROOT) 2.54 2.54 2.54 1.24 (4 x) 0.25 0.05 (SPECIFIED AT THE LEAD ROOT) 0.2 0.23 (2 x) 5 0.05 0.05 + 0.03 - Tolerance unless otherwise noted: 0.1, 2 R0.3 MAX. Values in parentheses indicate reference value. Lead surface finish: Silver plating Shaded area indicates burr. 0.66 Pin No. L8628 VIN GND Vcc Cont 2.85 ACTIVE AREA 0.97 2.03 2.94 2.0 DEPTH 0.15 MAX. S8627-01A Vcc GND MODEOUT Vout 2.92 1.8 a-a' CROSS SECTION KPICA0046EC Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein. (c)2004 Hamamatsu Photonics K.K. HAMAMATSU PHOTONICS K.K., Solid State Division 1126-1 Ichino-cho, Higashi-ku, Hamamatsu City, 435-8558 Japan, Telephone: (81) 53-434-3311, Fax: (81) 53-434-5184, http://www.hamamatsu.com U.S.A.: Hamamatsu Corporation: 360 Foothill Road, P.O.Box 6910, Bridgewater, N.J. 08807-0910, U.S.A., Telephone: (1) 908-231-0960, Fax: (1) 908-231-1218 Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49) 08152-3750, Fax: (49) 08152-2658 France: Hamamatsu Photonics France S.A.R.L.: 19, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: 33-(1) 69 53 71 00, Fax: 33-(1) 69 53 71 10 United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road, Welwyn Garden City, Hertfordshire AL7 1BW, United Kingdom, Telephone: (44) 1707-294888, Fax: (44) 1707-325777 North Europe: Hamamatsu Photonics Norden AB: Smidesvagen 12, SE-171 41 Solna, Sweden, Telephone: (46) 8-509-031-00, Fax: (46) 8-509-031-01 Italy: Hamamatsu Photonics Italia S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: (39) 02-935-81-733, Fax: (39) 02-935-81-741 2 Cat. No. KPIC1048E04 Oct. 2004 DN |
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