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data sheet broadcom av02-4884en march 15, 2018 description the broadcom ? AFBR-3950XXRZ is a high-voltage galvanic insulation link for dc to 5 0 mbaud. the AFBR-3950XXRZ consists of an optical transmitt er and receiver operating at 650-nm wavelength. pin- to-pin distance of approximately 25 mm to 101 mm provides transient voltage suppression in the range of 15 kv to 50 kv. applications ? drives/inverters ? galvanic insulation on one single pcb ? medium voltage power distributions ? regulated distribution transformers ? smart grid on-board insulations ordering information features ? data transmission at sig nal rates of dc to 50 mbaud ? dc coupled transmitter and receiver with cmos/ttl input-output for easy designs: no data encoding or digitizing circuitry required ? high noise immunity through receiver ic with integrated photodiode ? rohs compliant ? transient voltage suppression in the range of 15 kv up to 50 kv according iec 60644 ? laser class 1 according to iec-60825 ? certified according to iec-60747-5-5 ? housing material ul-v0 with cti 600 ? optional 3.3v or 5v power supply part number length mm voltage suppression afbr-395025rz 1 inch 25 15 kv afbr-395050rz 2 inch 50.4 27 kv afbr-395075rz 3 inch 75.8 40 kv afbr-395000rz 4 inch 101.2 50 kv AFBR-3950XXRZ high voltage galvanic ins ulation link for dc to 50 mbaud
broadcom av02-4884en 2 AFBR-3950XXRZ data sheet high voltage galvanic insulation link for dc to 50 mbaud AFBR-3950XXRZ dc to 50 mbaud data link absolute maximum ratings attention: stresses above those listed here may cause permanent damage to the device. expos ure to absolute maximum rating conditions for exte nded periods may aff ect devi ce reliability. recommended operating conditions all the data in this specification refers to the operating cond itions above and over lifetime unless otherwise stated. insulation characteristics parameter symbol min. max. units signaling rate f s dc 50 mbd storage and operat ing temperature t s,o C40 +85 c receiver supply voltage v ccrx C0.5 +5.5 v receiver supply current i ccrx 30ma receiver output current i oav 10ma transmitter supply voltage v cctx C0.5 +5.5 v transmitter supply current i cctx 31ma lead soldering cycle a, b a. 1.6 mm below seating plane; wave soldering only. b. msl class 3. te m p t sol +260 c time 10 seconds parameter symbol min. max. units ambient temperature t a C40 85 c receiver power supply voltage a a. < 100mvp-p noise. v ccrx 3.135 4.75 3.465 5.25 v transmitter supply voltage v cctx 3.135 4.75 3.465 5.25 v signaling rate f s dc 50 mbd parameter symbol min. max. units apparent charge at sample test stage and type test stage after subgroup 1 (method a) a q pd 5pc apparent charge at routine test stage and type test stage, prec onditioning (method b) b q pd 5pc
broadcom av02-4884en 3 AFBR-3950XXRZ data sheet high voltage galvanic insulation link for dc to 50 mbaud maximum transient voltage, peak c v iotm_1inch v iotm_2inch v iotm_3inch v iotm_4inch 15 27 40 50 kv maximum transient voltage, effective c v iso_1inch v iso_2inch v iso_3inch v iso_4inch 10.5 19 28.1 35.2 kv maximum working voltage, peak d v iorm_1inch v iorm_2inch v iorm_3inch v iorm_4inch 4.25 8.5 12.75 17.00 kv maximum working voltage, effective d v iowm_1inch v iowm_2inch v iowm_3inch v iowm_4inch 3 6 9 12 kv insulation resistance @ t amb,max , min.100c r io 10 11 ? insulation resistance @ t s r io 10 9 ? creepage distance 1inch 2inch 3inch 4inch 25 50.4 75.8 101.2 mm clearance distance 1inch 2inch 3inch 4inch 25 50.4 75.8 101.2 mm surge isolation voltage v iosm 12 kv comparative tracking index cti 600 pollution degree e 2 climatic category f 40/085/21 maximum ambient sa fety temperature t s 110 c maximum inpu t current i si 60 ma maximum output current i so 30 ma maximum input po wer dissipation p si 330 mw maximum output power dissipation p so 165 mw a. v pd(m) = 1.6 v iorm (= 6.8 kv for 1inch, =13.6 kv fo r 2inch, =20.4 kv for 3inch, = 27.2 kv for 4inch), v ini,a = v iotm , t ini,a = 60s ; t m = 10s. b. v pd(m) = 1.875 v iorm (= 8 kv for 1inch, =16 kv for 2inch, =24 kv for 3inch, =32 kv for 4inch), v ini,b = v iotm , t ini,b = 1s ; t m = 1s c. altitude up to 2000m above sea level. d. pollution degree 2; please note that inhomogeneous fi eld con ditions may lead to partial disc harge through air for these vol tages. e. according iec-60064-1. f. according iec-60068-1. parameter symbol min. max. units
broadcom av02-4884en 4 AFBR-3950XXRZ data sheet high voltage galvanic insulation link for dc to 50 mbaud electrical input characteristics electrical output signal characteristics parameter symbol min. typ. max. units input voltage low v il 0.8v input voltage high a a. duty cycle shall be 50% at 1.5v v ih 2v cctx v input capacitance c in 7 pf input resistance r in 10 k? parameter symbol min. typ. max. units high level output voltage v oh 2.5 v ccrx v ccrx +0.3 v low level output voltage v ol 0.4v output risetime (10C90%) a a. c l = 15p, r l = 50 k? f. t r 5 ns output falltime (90C10%) a t f 5 ns power supply noise immunity psni 0.1 0.4 vpp vcc level to deactivate por b b. a power-on reset (por) is both implemented at the transmitter and the receiver. it is active below v por_deact . once v por_deact is reached, the por remains active for t por-deact_del . during power-down, por starts at v por_act . during active por, the output signal is low. v por_deact and v por_act both apply to tx and rx, t por-deact_del por applies only for the rx. the delay time of the tx is typically ~10 s. v por_deact 2.8 v vcc level to activate por b v por_act 2.6 v por deactivate delay time b t por-deact_del 10ms data_in (optical) v cc rx data_out (electrical) ~10ms delay data_out = non-inverted data_in por enabled at ~ 2.6v por disabled at ~ 2.8v time data_out (optical) v cc tx data_in (electrical) ~10s delay data_out = non-inverted data_in por enabled at ~ 2.6v por disabled at ~ 2.8v time por tx por rx
broadcom av02-4884en 5 AFBR-3950XXRZ data sheet high voltage galvanic insulation link for dc to 50 mbaud specified link performance t a = C40c to +85c, dc to 5 mbaud, unless otherwise noted. block diagram C AFBR-3950XXRZ a low input signal at data_in res ults in a low output signal at data_out (non-inverted tx to non-inverted rx). por remains active during vcc power up, typically until 10 s f or tx and 10ms for rx after 2.8v is reached. for both tx and rx, data_out is low while por active. 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 tr ichloroethane; or ketones, such as mek, acetone, chloroform, ethyl ace tate, methylene dichloride, phenol, methyl ene chloride, or n-methylpyro lldone. also, broadcom does not recommend the use of cleaner s that use halogenated hydrocar bons because of their poten tial environmental harm. parameter symbol min. typ. max. units condition signaling rate f s dc 50 mbd nrz pulse width distortion a a. provided the following charac teristics of the electrical inpu t: a) no pwd at 1.5v input level, and b) du/dt between 1v and 2 v is less than 1 v/ns. pwd C5 +8 ns 50 mbaud propagation delay b b. determined from 1.5v of the rising edge of data_in to 50% of the rising edge of data_out t d 50 ns 50 mbaud skew c c. the t d variation between multiple devices measured for same input con ditions and same external signal delay. t s 5 ns 50 mbaud supply current tx d d. depends on supply voltage and signal rate. i cctx 20 31 ma 50 mbaud supply current rx d i ccrx 17 30 ma 50 mbaud tia2 tia1 output driver pd filter & monitor power on reset gain control etc. led tx rx data_in rod data_out v ccrx gnd v cctx gnd led driver power on reset
broadcom av02-4884en 6 AFBR-3950XXRZ data sheet high voltage galvanic insulation link for dc to 50 mbaud recommended drive circuit (a) C top view pin description pinning schematic pin number transmitter pin number receiver 1vcctx 5 no function a 2 no function a a. connect this pin to signal ground. 6 vccrx 3 gnd 7 gnd 4 data_in 8 data_out tx value tolerance c1 10f 20% c2 10f 20% c3 100nf 20% r1 4.7k 5% rx value tolerance c4 100nf 20% v cc tx data_in 2 3 4 1 6 7 8 5 c2 c3 r1 gnd gnd c1 l1 c5 10f 20% l2 1h 20% c6 10f 20% l1 1h 20% v cc rx data_out c5 c6 gnd c4 gnd l2
broadcom av02-4884en 7 AFBR-3950XXRZ data sheet high voltage galvanic insulation link for dc to 50 mbaud footprint (top view) dimensions in mm. afbr-395025rz afbr-395050rz 25.4 20.32 2.54 2.54 (3x) 7.62 1 . 6 ( 2 x ) 0.38 (8x) 0.5 (8x) 10.04 1.14 (4x) 22.08 50.8 45.72 2.54 2.54 (3x) 7.62 1 . 6 ( 2 x ) 0.38 (8x) 0.5 (8x) 47.48 10.04 1.14 (4x)
broadcom av02-4884en 8 AFBR-3950XXRZ data sheet high voltage galvanic insulation link for dc to 50 mbaud footprint (top view, continued) dimensions in mm. afbr-395075rz afbr-395000rz 76.2 71.12 2.54 2.54 (3x) 7.62 1 . 6 ( 2 x ) 0.38 (8x) 0.5 (8x) 72.88 1.14 (4x) 10.04 101.6 96.52 2.54 2.54 (3x) 7.62 1 . 6 ( 2 x ) 0.5 (8x) 98.28 10.04 1.14 (4x) 0.38 (8x)
broadcom av02-4884en 9 AFBR-3950XXRZ data sheet high voltage galvanic insulation link for dc to 50 mbaud mechanical dimensions dimensions in mm. afbr-395025rz afbr-395050rz 25.4 2.5 4 6.7 2.5 7.62 2.54 20.32 10.16 11 .49 30.46 0.38 1 . 6 ( 2 x ) 7. 7 50.8 2. 54 6.7 2.5 7.62 2.54 45.72 10.16 1 1.49 55.86 0.38 1 . 6 ( 2 x ) 7. 7
broadcom av02-4884en 10 AFBR-3950XXRZ data sheet high voltage galvanic insulation link for dc to 50 mbaud mechanical dimensions (continued) dimensions in mm. afbr-395075rz afbr-395000rz caution! do not bend AFBR-3950XXRZ devi ces under any circumstances. 76.2 2.54 7.62 2.54 71.12 10.16 11 .4 9 6.7 2.5 81.26 1 . 6 ( 2 x ) 0.38 7 .7 101.6 0.83 7.62 2.54 96.1 10.16 1 1.49 6.7 0.44 6.57 1 . 6 ( 2 x ) 0.38 7.7
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