an oplink company parameter symbol minimum maximum units storage temperature t st - 40 + 85 c operating case temperature i option (sr & ir only) t op - 40 + 85 c h option 0 + 70 maximum optical input power (lr only) p in, max - - 5.0 dbm supply voltage v cc 0 + 6.0 v input voltage v in 0 v cc v lead soldering temperature & time - - 260c, 10 sec absolute maximum ratings oc-48/stm-16 receiver with clock recovery src48 the src48 modules are receivers with internal clock recovery designed to meet or exceed the sonet/sdh optical interface requirements at oc- 48/stm-16 (2.488 gb/s) data rate. three performance versions are avail - able which are fully compliant with short reach, intermediate reach and long reach specifcations at 1300 nm and 1550 nm wavelength. the receiver for the short reach and intermediate reach version uses pin photodiodes. for the long reach version, ingaas avalanche photo - diodes (apds) are used to achieve high sensitivity. the long reach re - ceiver features a low noise gaas transimpedance ic with agc capability to provide an extremely wide dynamic range. a phase lock loop (pll) circuit is included to perform the clock recovery function and resam - pling of the data. both data and clock outputs are diferential signals designed to be ac-coupled into 50 ohm load. a ttl signal detect func - tion which indicates loss of optical input and an analog received opti - cal power monitor output ares also provided. all receiver modules can be operated with a single +5v supply. the op - erating temperature range is -40c to +85c for the short reach and intermediate reach version and 0c to +70c for the long reach ver - sion. all receivers are housed in a 24-pin dual-in-line metal package with fber pigtail (single mode fber for long reach version and 50/125 m multimode fber for short reach and intermediate reach versions). the fber pigtail is terminated with st, fc or sc connector. product description ? fully compliant with sonet/sdh oc-48/stm-16 (2.5 gb/s) specifcations ? long reach 1310 nm & 1550 nm as well as intermediate reach and short reach ? internal temperature-compensated high voltage apd supply (long reach version) ? -40c to +85c operating temperature (intermediate reach and short reach) ? 24-pin dip metal package ? fc, st, sc-connectorized fber pigtails ? diferential data & clock interface ? ttl signal detect output ? received optical power monitor function ? single +5 v supply features r3.2009.04.30
oplink communications, in c. 50 oh m line to 50 ohm loa d to 50 ohm loa d to 50 ohm loa d to 50 ohm loa d 50 oh m line src-48 6 2,4, 7, 8, 11 ,1 2 17 ,1 8,19,20 0.02 2 5 da ta + 23 ,2 4 0. 022 cl k+ sd + + (<0.1 oh m series re si st ance ) 10 0. 01 50 oh m line 50 oh m line 10 0.00 1 9 0. 001 da ta - cl k- 13 ,1 4 15 ,1 6 0. 01 3 +5 v + 100 + 100 21 sd - 22 1 no connectio n 3 kohm + 10 0.01 +5v 1 h coil or ferrite bead interface circuit receiver performance characteristics src48 (over operating case temperature.) parameter symbol minimum typical maximum units data rate b - m + m s i snsiii - b s inmdia a p min - - - dbm ln a - - - maximm in oia p - b s a s p max - - - dbm inmdia a i - ln a l - - - sina d tsds s i inasin li in p sd+ - - - dbm dasin li in p sd- - - - l inasin li in p sd+ - - - dbm dasin li in p sd- - - - sina d hssis - - db oia p mni cn l p in m - dbm - dbm i pm - - a i s p in m - dbm dbm - - an oain t csp s o c ji clk j - - ims ji tan tans nin mian i it mmndain siid in aa oia in p and masd a s and nm nm an i - pbs receiver electrical interface parameter symbol minimum typical maximum units supply oltage v cca v ccd v s cn s i i - ma l - o va sin data v pp v clock o hih va sinal dtct v oh - v ccd v o lo va sinal dtct v ol - v ac-d in m ad 2 3243
oplink communications, in c. application notes optical power monitor interface circuit typical data output eye pattern typical jitter tolerance measurement timing diagram typical jitter transfer function exte rn al mo ni to r re si st or (a bout 3 ko hm ) ap d/ pi n curr en t mo ni to r sr c- 48 pm (p in 3) v cc da ta cloc k t csp src48 r4 3 pm v cc p v v cc p v cc c c c
oplink communications, inc. reserves the right to make changes in equipment design or specifcations without notice. information supplied by oplink commu - nications, inc. is believed to be accurate and reliable. however, no responsibility is assumed by oplink communications, inc. for its use nor for any infringements of third parties, which may result from its use. no license is granted by implication or otherwise under any patent right of oplink communications, inc. ? 2008, oplink communications, inc. pin function pin function 1 n/c (no connection) 24 v cca (v cc analog) 2 gnd 23 v cca (v cc analog) 3 pm (optical power monitor) 22 sd - (signal detect -) 4 gnd 21 sd + (signal detect +) 5 data output - 20 gnd 6 data output + 19 gnd 7 gnd 18 gnd 8 gnd 17 gnd 9 clk - (clock output -) 16 v ccd (v cc digital) 10 clk - (clock output +) 15 v ccd (v cc digital) 11 gnd 14 v ccd (v cc digital) 12 gnd 13 v ccd (v cc digital) 46335 landing pkwy fremont, ca 94538 tel: (510) 933-7200 fax: (510) 933-7300 email: sales@oplink.com ? www.oplink.com src ordering information package outline src48 r3.2009.04.30 4 (dimension in inches) pinout assignments the pigtail length from the package edge is 1.0 meter typical. related tx, rx & transceiver modules stx-48: oc-48/stm-16 transmiter (24-pin dip) srx-48: oc-48/stm-16 receiver without clock recovery (24-pin dip) dtr-2488-sm: oc-48/stm-16 transceiver without clock recovery (industry standard 1x9 package) dtr-2488-sm2: oc-48/stm-16 transceiver without clock recovery (industry standard 2x9 package) dtc-48: oc-48/stm-16 transceiver with clock recovery (industry standard 2x9 package) supply voltage 5v= 8 temperature range receivers wavelength 1100~1600nm pin= r1 1100~1600nm apd= r2 option pigtail fc= p1 pigtail st= p2 pigtail sc= p3 -40 ~85?c= i 0~70?c= h 0 0 0 8 x 8 4
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