data sheet broadcom AFBR-2529SIZ-ds100 march 2, 2018 description the broadcom ? AFBR-2529SIZ receiver consists of an ic with an integrated phot odiode providing a ttl logic family compatible output. the receiver operates any type of signal from dc up to 50 mbd at distances up to 50m with 1 mm polymer optical fiber (pof), up to 200m at 10 mbd and 120m at 50 mbd with 200 m plastic-clad s ilica (pcs), respectively. it is a 4-pin device, packed in versatile l ink housing. versatile link components ca n be interlocked (n-plexed together) to minimize space and to provide dual connections with the duplex connectors. the AFBR-2529SIZ features a monitor output providing an analog voltage proportional to the average optical input power. various simplex and duplex connectors, as well as pof cables are available for versatile link components. for optical links with AFBR-2529SIZ, broadcoms afbr-16xxz transmitters use a 650 nm led source with integrated optics and d river ic recommended. the AFBR-2529SIZ delivers inverted output signals, which means that light on leads to data out low and vice versa. available options features ? rohs-compliant ? analog monitoring output (rssi) ? data transmission at signal rates from dc up to 50 mbd ? integrated pin diode and digitalizing ic with ttl output logic ? up to 50m distance with 1 mm pof over operating temperature range ? up to 200m (10 mbd) dista nce and 120m (50 mbd) distance with 200 m pcs over operating temperature range ? operating temperature ra nge of C40c to +85c ? receiver power supply of 3.3v or 5.0v ? compatible with the broadcom s versatile link family of connectors, for easy termination of fiber applications optical receiver for 5 0-mbd systems and below: ? industrial control and factory automation ? extension of rs-232 and rs-485 ? high voltage isolation ? elimination of ground loops ? reduces volta ge transient susceptibility ? advanced maintenance management of optical links by monitoring the incoming optical receiver power application literature application note 1035 (versatile link) C av02-0730en. horizontal package AFBR-2529SIZ AFBR-2529SIZ dc-50mbd versatile link fiber-optic receiver with monitoring output for 1 mm pof and 200 m pcs
AFBR-2529SIZ data sheet dc-50mbd versatile link fiber-optic receiver with monitoring ou tput for 1 mm pof and 200 m pcs broadcom AFBR-2529SIZ-ds100 2 package and handling information the compact versatile link pa ckage is made of a flame- retardant material and uses the same pad layout as a standard, eight-pin dual-inline package. horizontal packages are available. these low-profile v ersatile link packages are stackable and are enclosed to provide a dust- resistant seal. snap action s implex, simplex latching, duplex, and duplex latching connectors are offered with simplex or duplex cables. package housing color versatile link components and simplex connectors are color-coded to eliminate confusion when making connections. receiver packages are black, and transmitters are grey. handling versatile link components are auto-insertable. when wave soldering is performed with versatile link components, leave the optical port plug in to prevent contamination of the port. do not use r eflow solder processes (that is, infrared reflow or vapor-phase reflow ). use non-halogenated water soluble fluxes (that is, 0% chlo ride), not rosin based fluxes, 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 baki ng step before the soldering process. refer to the special labeling on the shipping tube for details. recommended chemicals for cleaning/ degreasing alcohols: methyl, isopropyl, isobutyl. aliphatics: hexane, heptanes. other: soap solution, naphtha. do not use partially halogenated hydrocarbons, such as 1,1.1 trichloroethane, ketones, such as mek, acetone, chloroform, ethyl a cetate, methylene dichloride, phenol, methylene chloride, or n-methylpyrolldone. broadcom does not recommend the use of cleaners that use halogenated hydrocarbons because of their potential environmental harm. interlocked (stacked) assemblies see figure 1 . horizontal packages can be st acked 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 pre vents potential harm that could occur to fingers and hands of assemblers from the package pins. stacked hori zontal packages can be disengaged if necessary. repeated stacking and unstacking causes no damage to individual units. it is recommended to interloc k (stack) not m ore than four compatible housings together. figure 1: interlocked (stacked) horizontal packages
broadcom AFBR-2529SIZ-ds100 3 AFBR-2529SIZ data sheet dc-50mbd versatile link fiber-optic receiver with monitoring ou tput for 1 mm pof and 200 m pcs mechanical dimensions figure 2: mechanical dimensions C horizontal packages versatile link printed board layout dimensions figure 3: pcb dimensions C horizontal packages 2 [0.08] 6. 5 [0.2 6] 0.6 [0.03] 7.7 [0.30] 7.6 [ 0.30 ] 18.8 [0.74] 2.8 [0.11] 3.8 [ 0.15 ] m a x. 3 .6 [ 0.1 4 ] m in. 5.1 [0.20] 4.2 [0 .17 ] 1.3 [0.05] 2.54 [0.100] 1.7 [0.07] 0.5 [0.02] notes: 1) dimensions: mm [in] ? 0 . 6 [ ? 0 . 0 3 ] 10.2 [0.40] 7.62 [0.300] 2.54 [0.100] 7 .7 [0. 3 0] 1.9 [0.07] pcb edge min. 1 2 3 4 8 5 footprint - top view 1 [ 0 .0 4 ] notes: 1) dimensions: mm [in]
broadcom AFBR-2529SIZ-ds100 4 AFBR-2529SIZ data sheet dc-50mbd versatile link fiber-optic receiver with monitoring ou tput for 1 mm pof and 200 m pcs analog monitoring output (rssi) the receiver signal strengt h indicator (rssi) is a monitoring output that del ivers an output current proportional to the average incoming optical power. the integrating signal is dir ected to the rssi output. to provide a suitable monitoring voltage across the shunt resistor, r rssi , its value should be chosen to the particular optical power situation o f the specific application. the lower the optical receiver power, the higher the resistor value should be. do not, however, override the maximum limit of v rssi . the typical analog mo nitoring voltage, v rssi , (across 2 k ? shunt resistor) a s a function of receiver optical input power for industrial temperature range is shown in figure 5 and figure 6 . the monitoring voltage varies linearly with the receiver optical input power. the variation overtemperature is negligible for mos t applications. for an almost noise-free rssi-signal, smoothing components are recommended. a capacitor, c rssi , in parallel to the resistor on the rssi output reduces potential high frequency signal parts. the use of a single 100 nf capacitor for signal smoothing is sufficient in most common applications, as shown in the recommended receiver circuitry in figure 4 . if this rssi function is not required, the output pin can be le ft floating. the rssi-signal is derived from internal controlling loops; therefore, the typical time c onstant of pure rssi output current without an external filter can be up to 1 ms. this time constant also depends on the actual average incoming light power. the integrating (averaging) character of the rssi output together with the time const ant result in a systemic conditioned fluctuation of the rssi output signal at very low data rates and/or during data communications that show relative long time intervals i n which the optical input has constant high or low. this s hould be considered in the application processing/polling of the rssi output signal accordingly. regulatory compliance process compatibility feature test method performance electrostatic discharge (esd) to the electrical pins human body model mil-std-883 method 3015 min 2000 v parameter symbol min. typical max. units solder environment a,b a. solder surface must be at least 1.6 mm below the lead frame s tops. b. the product is moisture sensitive level 3. t sold 260 c c. maximum temperature refers to peak temperature. c t sold 10 d d. maximum time refers to ti me spent at peak temperature. seconds
broadcom AFBR-2529SIZ-ds100 5 AFBR-2529SIZ data sheet dc-50mbd versatile link fiber-optic receiver with monitoring ou tput for 1 mm pof and 200 m pcs specified link performance, t a = C40c to +85c, 50 mbd pin description receiver AFBR-2529SIZ fiber port facing front, pins dow nward, 1 = rightmost pin to 4 = leftmost pin. parameter min. max. units condition link distance with standard pof cable a, b a. hfbr-r/exxyyyz is the part number for 1 mm pof. worst-case at tenuation used (0.27 db/m for standard loss pof cable from C40 c to +85c at 660 nm). b. the optical link performance is guaranteed only with transmit ters afbr-16xxz. 0.1 50 meters C40c to +85c link distance with 200 m pcs (10 mbd) b, c c. pcs, worst-case attenuation (12 db/km from -40c to +85c at 650 nm). 0.1 200 meters C40c to +85c link distance with 200 m pcs (50 mbd) b, c 0.1 120 meters C40c to +85c pin name function/description 1 data out a a. ttl compatible data output provides an inverted signal, thus an electrical low in case o f light on and vice versa. data output inverted 2v ee ground 3v cc power 3.3v 5% or 5.0v 5% 4 rssi b b. analog monitoring output. receiver signal strength indicator 5 housing pin c c. pins 5 and 8 are for mounting and retaining purposes, and sho uld be connected to chassis gnd. physical pin is available, r ecommended to chassis gnd 8 housing pin c physical pin is available, r ecommended to chassis gnd
broadcom AFBR-2529SIZ-ds100 6 AFBR-2529SIZ data sheet dc-50mbd versatile link fiber-optic receiver with monitoring ou tput for 1 mm pof and 200 m pcs note: the AFBR-2529SIZ delivers inverted output signals, therefore, a n inverting transmitter, f or example, afbr-1629z, should be used accordingly. figure 4: recommended receiver application circuit absolute maximum ratings absolute maximum ratings are those values beyond which damage t o the device may occur if these limits are exceeded for other than a short period of time. recommended operating conditions recommended operating conditions are those values outside of wh ich functional performance is not intended, device reliability is not implied, and damage to the device may occur over an extended period of time. refer to the re liability data sheet for specific re liability performance. parameter symbol min. typical max. units storage temperature t s C40 85 c ambient temperature t a C40 85 c relative humidity rh 0 85 % supply voltage v cc C0.5 6 v data output current i o 10ma parameter symbol min. typical max. units ambient temperature t a C40 25 85 c supply voltage v cc 3.135 3.3 3.465 v v cc 4.75 5.0 5.25 v data rate dc 50 mbd 2 k : r rssi gnd 100 nf c rssi gnd ttl output 4 v cc rx rssi data out v ee 2 3 1 10 p f c1 1 p h l1 gnd gnd 8 gnd gnd vcc 10 p f c2 gnd 100 nf c3 gnd gnd gnd 5 phy monitoring circuitry
broadcom AFBR-2529SIZ-ds100 7 AFBR-2529SIZ data sheet dc-50mbd versatile link fiber-optic receiver with monitoring ou tput for 1 mm pof and 200 m pcs AFBR-2529SIZ receiver the receiver consists of a digit alizing ic with integrated phot odiode to produce an output level that is compatible with ttl logic. the integrated photodiode and the following amplifier use a ful ly differential approach with an a ctive and a passive area for an improved emi performance. within the specified ranges the re ceiver will suppor t a ber <10eC9. receiver electrical characteristics (t a = C40c to +85c, v cc = 3.3v 5% or 5.0v 5%) parameter symbol min. typical a a. typical values are mean values measured at t a = 25c. max. units supply current i cc 2030ma data output voltage C low b,c b. guaranteed only if optical i nput signal to the receiver is ge nerated by afbr-16xxz, with idea l alignment to photo diode usin g 1 mm pof (na=0.5) or 200 m pcs (na = 0.37). c. standard ttl output v ol C0.3 0.4 v data output voltage C high b,c v oh 2.5 vcc + 0.3 v rise time (10% to 90%) b,d d. measured with rl = 50 k ? and cl = 15 pf. t r 5 ns fall time (90% to 10%) b,d t f 5 ns pulse width distortion b,e,f,g,h e. if data rate is below 1 mbd, the pulse width distortion would be equal to the pulse width distortion of the first to third p ulses for higher data rates. f. because of optical pulse wid th spreading, the pwd limits have to be increased by 0.1 ns for each 10m fiber length. g. optical input signal of 50 mbd, prbs 2^7 C 1 pattern and 50% duty cycle. h. pulse width is measured at 50% threshold using a rising edge trigger and prbs 2^7 C 1 pattern. pwd C4 +4 ns pulse width distortion first to third pulse b,e,f,i i. the threshold of the first pul se of a data sequence is diffic ult to adjust and, therefore, the pulse width distortion up to the third pulse is higher than for all other pulses (worst case for the first pulse). thi s strongly depends on the qual ity of the rising and falling edg e of the optical input. the faster the edges the smaller the pulse width variation. fur thermore lower data rates would result in the same issue as all the pulse become first pulses. pwd init C5 +8 ns propagation delay t rd 30 ns maximum initiation time after power up j j. starting point is when supply voltage passes ~ 2.8v. t int 15ms rssi output respons ivity, 1 mm pof k k. average value verified with an external resistor r rssi at optical input signal of 50 mbd, prbs 2^7 C 1 pattern with 5 0% duty cycle. measured with ideal alignment to photo diode using 1 mm pof (na=0.5) or 200 m pcs (na = 0.37). the rssi output provides stable signal for data rates from 1 mbd to 50 mbd. i rssi / p in 0.4a/w rssi output responsiv ity, pcs (200 m) k i rssi / p in 0.7a/w voltage at rssi output v rssi 0 vcc C 1 v
broadcom AFBR-2529SIZ-ds100 8 AFBR-2529SIZ data sheet dc-50mbd versatile link fiber-optic receiver with monitoring ou tput for 1 mm pof and 200 m pcs figure 5: typical rssi o utput voltage across r rssi = 2 k ? , 1 mm pof figure 6: typical rssi output voltage across r rssi = 2 k ? , 200 m pcs note: to provide a suitable monitoring voltage, choose the value of r rssi according to the particular optical power situation. for the illustration of the responsivity, 2 k ? was used. the lower the optica l input power, the higher the resistor value should be. do not, however, override the max. li mit of v rssi. 1 10 100 1000 -30 -25 -20 -15 -10 -5 0 5 v rssi (mv) p in -op ? cal input power (dbm) 25c -40c 85c 1 10 100 1000 -30 -25 -20 -15 -10 -5 0 v rssi (mv) p in -op ? cal input power (dbm) 25c -40c 85c receiver optical characteristics (t a = C40c to +85c, v cc = 3.3v 5% or 5.0v 5%) parameter symbol min. typical max. units input optical powe r (peak), 1-mm pof a a. guaranteed only if optical i nput signal to the receiver is ge nerated by afbr-16xxz, with idea l alignment to photo diode usin g 1mm pof (na=0.5) or 200 m pcs (na = 0.37). p in C22 +2 dbm input optical power (peak ) off -state, 1 mm pof a,b b. electrical receiver output h igh (AFBR-2529SIZ delivers invert ed output). p in _off C40 dbm input optical power (peak), pcs (200 m) a p in C25 C1 dbm input optical power (peak) off -state, pcs (200 m) a,b p in _off C44 dbm optical spectrum range ? 630 685 nm
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