features l high-speed response and high sensitivity l flat frequency characteristics l compact and lightweight l single power supply operation applications l laser radar l spatial light transmission l optical rangefinder module apd module detects optical signals at 1 ghz, with high sensitivity c5658 apd module c5658 is a highly sensitive photodetector consisting of a si apd (avalanche photodiode), a bias power supply and a l ow-noise amplifier, all integrated into a compact case. the apd used has an effective active area of 0.5 mm to allow efficient coupling to a light beam in applications such as spatial light transmission. the apd internally multiplies the photocurrent to produce an ample gain (set t o 100 times for c5658) and also features high-speed response, achieving detection limits up to 1 ghz wideband and -48 dbm (16 nwr.m.s.) noise l evel in combination with the low-noise amplifier. c5658 also incorporates a thermosensor and a temperature-compensated bias power suppl y necessary for stable operation of the apd. highly sensitive optical measurements can be made just by supplying +12 v to c5658. absolute maximum ratings parameter condition value unit supply voltage +13.5 v maximum incident light level continuous input 10 mw operating temperature 0 to +50 c storage temperature -20 to +70 c electrical and optical characteristics (ta=25 c, vcc=12 v, output terminated with 50 ? ) parameter condition typ. unit spectral response range 400 to 1000 nm active area 0.5 mm quantum efficiency =800 nm 70 % high band 1 ghz cut-off frequency (-3 db) low band 50 khz detection sensitivity =800 nm 2.5 10 5 v/w gain stability 25 c 10 c 5.0 % noise level dark state -48 dbm output impedance 50 ? vswr * 1.5 - compression point at 1 db 3 w * vswr (voltage standing wave ratio) if internal matching of elements on a signal transmission line (matching between element input/output impedance and signal line impedance) is poor, signal reflections occur that generate standing waves on the signal line. the vswr is the ratio of standing wave maximum amplitude (v max.) to minimum amplitude (v min.) and indicates how well the impedance is internally matched. when this internal matching is complete, no standing waves exit and the vswr is 0 (zero). signal connector parameter standard signal output sma power supply connector d-sub 9 pin general specifications parameter condition value unit supply voltage +12 0.1 v current consumption 100 ma dimensional outline excluding projecting parts 28 50 60 mm weight 120 g 1
apd module c5658 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, 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) 908-231-0 960, 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, t elephone: 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, unit ed kingdom, telephone: (44) 1707-294888, fax: (44) 1707-325777 north europe: hamamatsu photonics norden ab: smidesv?gen 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 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. ?2005 hamamatsu photonics k.k. cat. no. kacc1023e03 dec. 2005 dn mating connector (supplied): de-9s (made by jae) or equivalent output voltage (mv) 100 mv/div. time 500 ps/div. 500 gnd relative output (db) frequency 100 mhz 1 ghz 5 ghz +20 -20 0 -40 kaccb0050ea dimensional outline (unit: mm) kaccb0051eb kacca0092ea pin connection
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' ' @ 6@< 0 @ @ g @ (@ 3 @ e@ pulse response waveform frequency response kaccc0134ea 28.0 50.0 photosensitive surface active area 1.0 60.0 50.0 signal output connector (sma) power supply connector (d-sub) mounting threaded hole m6 (depth: 6) 4.5 1234 6789 5 kaccc0135eb block diagram 50 thermosensor signal output temperature- compensated bias voltage -200 v gain : -100 high band: 1 ghz low band : 50 khz cut-off frequency apd ( 2
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