SP1490E/SP1491E. Full Duplex RS-485 Transceivers SP1490E
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1 SP49/SP49 FTURS +5V Only ow Powr icmos rivr/rivr nal (SP49) RS-485 and RS-422 rivrs/rivrs Pin Compatil with SN7579 (SP49) Pin Compatil with SN758 (SP49) Improvd S Spifiations ±5kV Human ody Modl ±5kV IC-4-2 ir isharg ±8kV IC-4-2 Contat isharg Full uplx RS-485 Transivrs V CC RO I GN 2 3 SP49 8 Pin - nsoic 4 5 PPICTIONS Industial Ntworks Tlom Motor Control HVC/ uilding Control SCRIPTION Th SP49 is a low powr diffrntial lin drivr/rivr mting RS-485 and RS-422 standards up to 2Mps. Th SP49 is idntial to th SP49 with th addition of drivr and rivr tri-stat nal lins. oth produts fatur ±2mV rivr input snsitivity, ovr wid ommon mod rang. Th SP49 is availal in 8-pin plasti IP and 8-pin NSOIC pakags for opration ovr th ommrial and industrial tmpratur rangs. Th SP49 is availal in 4-pin IP and 4-pin NSOIC pakags for opration ovr th ommrial and industrial tmpratur rangs Z Y OCK IGRM V RO 2 I 3 GN 4 R Z 5 Y NC 4 V 3 NC 2 RO 2 R R 3 4 Z I 5 GN 6 9 Y GN 7 8 NC SP49 SP49 at: 5//5 SP49/49 Full uplx RS-485 Transivrs Copyright 24 Sipx Corporation
2 SOUT MXIMUM RTINGS Ths ar strss ratings only and funtional opration of th dvi at ths ratings or any othr aov thos indiatd in th opration stions of th spifiations low is not implid. xposur to asolut maximum rating onditions for xtndd priods of tim may afft rliaility. V CC...+7V Input Voltags rivrs...-.5v to (V CC +.5V) Rivrs...±4V Output Voltags rivrs...±4v Rivrs...-.5V to (V CC +.5V) Storag Tmpratur C to +5 Powr issipation...mw T MIN to T MX and V CC = 5V ± 5% unlss othrwis notd. PRMTRS MIN. TYP. MX. UNITS CONITIONS CTRIC CHRCTRISTICS SP49/49 RIVR C Charatristis iffrntial Output Voltag 3.5 V CC Volts Unloadd; R = ; s figur iffrntial Output Voltag 2 V CC Volts With oad; R = 5Ω; (RS422); s figur iffrntial Output Voltag.5 V CC Volts With oad; R = 27Ω; (RS485); s figur Chang in Magnitud of rivr iffrntial Output Voltag for Complimntary Stats.2 Volts R = 27Ω or R = 5Ω; s figur rivr Common-Mod Output Voltag 3 Volts R = 27Ω or R = 5Ω; s figur Input High Voltag 2. Volts pplis to Input ow Voltag.8 Volts pplis to Input Currnt ± µ pplis to rivr Short-Ciruit Currnt V OUT = HIGH ±25 m -7V V O +2V V OUT = OW ±25 m -7V V O +2V SP49/49 RIVR C Charatristis Maximum ata Rat 2 Mps rivr Input to Output 3 4 ns t R/F ; R IFF = 54Ω, C = pf; s figurs 3 and 6 rivr Input to Output 3 4 ns t R/F ; R IFF = 54Ω, C = pf; s figurs 3 and 6 rivr Skw 5 ns s figurs 3 and 6, t R/F = t PH - t PH rivr Ris or Fall Tim 8 2 ns From % to 9%; R IFF = 54Ω, SP49 only C = pf; s figurs 3 and 6 t R/F rivr nal to Output High 2 7 ns C = pf; s figurs 4 and 7; S 2 losd rivr nal to Output ow 4 7 ns C = pf; s figurs 4 and 7; S losd rivr isal Tim from ow 4 7 ns C = pf; s figurs 4 and 7; S losd rivr isal Tim from High 4 7 ns C = pf; s figurs 4 and 7; S 2 losd at: 5//5 SP49/49 Full uplx RS-485 Transivrs Copyright 24 Sipx Corporation 2
3 T MIN to T MX and V CC = 5V ± 5% unlss othrwis notd. SPCIFICTIONS (ontinud) SP49/49 RCIVR C Charatristis iffrntial Input Thrshold Volts -7V V CM 2V Input Hystrsis 7 mv V CM = V Output Voltag High 3.5 Volts I O = -4m, V I = +2mV Output Voltag ow.4 Volts I O = +4m, V I = -2mV Input Rsistan 2 5 kω -7V V CM 2V ( unit load) Input Currnt (, ); V IN = 2V ±. m V IN = 2V Input Currnt (, ); V IN = -7V -.8 m V IN = -7V Short-Ciruit Currnt 85 m V V O V CC PRMTRS MIN. TYP. MX. UNITS CONITIONS SP49/49 RCIVR C Charatristis Maximum ata Rat 2 Mps Rivr Input to Output ns t PH ; R IFF = 54Ω, C = pf; Figurs 3 & 8 Rivr Input to Output ns t PH ; R IFF = 54Ω, C = C = 2 pf; Figurs 3 & 8 iff. Rivr Skw It PH -t PH I 5 ns R IFF = 54Ω; C = pf; Rivr Tplh/Tphl 4 7 ns POWR RQUIRMNTS Supply Voltag Volts Supply Currnt 9 µ NVIRONMNT N MCHNIC Oprating Tmpratur Commrial (_C_) +7 C Industrial ( ) C Storag Tmpratur C Pakag Plasti IP (_S_) NSOIC (_N) V O R Rivr Tst Point Output S C R K K V CC R V OC S 2 Figur. rivr C Tst oad Ciruit Figur 2. Rivr Timing Tst oad Ciruit 3V I C R IFF RO Output Undr 5 C 2 5pF Tst C S V CC S 2 Figur 3. rivr/rivr Timing Tst Ciruit Figur 4. rivr Timing Tst oad #2 Ciruit at: 5//5 SP49/49 Full uplx RS-485 Transivrs Copyright 24 Sipx Corporation 3
4 I RIVR OUTPUT +3V V IFFRNTI V O + OUTPUT V V V V O f = MHz; t R < ns; t F < ns.5v.5v t PH V /2V O /2V O O t PH t R t PH t PH t F t SKW = t PH - t PH Figur 6. rivr Propagation lays +3V f = MHz; t R < ns; t F < ns.5v.5v V t Z t Z 5V, 2.3V V O Output normally OW.5V, V OH V 2.3V t ZH Output normally HIGH.5V t HZ Figur 7. rivr nal and isal Tims SP49 only V 2 + V 2 V INPUT V V OH R.5V OUTPUT.5V V O t PH t PH f = MHz; t R < ns; t F < ns t SKW = t PH - t PH Figur 8. Rivr Propagation lays at: 5//5 SP49/49 Full uplx RS-485 Transivrs Copyright 24 Sipx Corporation 4
5 Th SP49 and SP49 ar full-duplx diffrntial transivrs that mt th rquirmnts of RS-485 and RS-422. Fariatd with a Sipx propritary icmos pross, oth produts rquir a fration of th powr of oldr ipolar dsigns. Th RS-485 standard is idal for multi-drop appliations or for long-distan intrfas. RS-485 allows up to 32 drivrs and 32 rivrs to onntd to a data us, making it an idal hoi for multi-drop appliations. Sin th aling an as long as 4, ft, RS-485 transivrs ar quippd with a wid (-7V to +2V) ommon mod rang to aommodat ground potntial diffrns. aus RS-485 is a diffrntial intrfa, data is virtually immun to nois in th transmission lin. rivr... Th drivrs for oth th SP49 and SP49 hav diffrntial outputs. Th typial voltag output swing with no load will volts to +5 volts. With worst as loading of 54Ω aross th diffrntial outputs, th drivr an maintain gratr than.5v voltag lvls. TI SCRIPTION Th drivr of th SP49 has a drivr nal ontrol lin whih is ativ high. logi high on (pin 4) of th SP49 will nal th diffrntial drivr outputs. logi low on (pin 4) of th SP49 will tri-stat th drivr outputs. Th SP49 dos not hav a drivr nal. Rivr... Th rivrs for oth th SP49 and SP49 hav diffrntial inputs with an input snsitivity as low as ±2mV. Input impdan of th rivrs is typially 5KΩ (2KΩ minimum). wid ommon mod rang of -7V to +2V allows for larg ground potntial diffrns twn systms. Th rivrs for oth th SP49 and SP49 ar quippd with th fail-saf fatur. Fail-saf guarants that th rivr output will in a high stat whn th input is lft unonntd and floating. Th rivr of th SP49 has a rivr nal ontrol lin whih is ativ low. logi low on R (pin 3) of th SP49 will nal th diffrntial rivr. logi high on R (pin 3) of th SP49 will tri-stat th rivr. INPUTS OUTPUTS INPUTS OUTPUTS SP49 only I Y Z x Transmit Funtion Truth Tal z z R SP49 only - +.2V -.2V opn x R z Riv Funtion Truth Tal at: 5//5 SP49/49 Full uplx RS-485 Transivrs Copyright 24 Sipx Corporation 5
6 PCKG: 8 PIN NSOIC /2 /2 S VIW C INX R (/2 X /2) TOP VIW Ø Sating Plan Ø 2 Gaug Plan Ø 2 VIW C SI VIW STING PN 8 Pin NSOIC (JC MS-2, - VRITION) IMNSIONS Minimum/Maximum (mm) WITH PTING COMMON HIGHT IMNSION SYMO MIN NOM MX SC 6. SC 3.9 SC.27 SC RF 2.25 SC Ø Ø º 5º - - 8º 5º S MT CONTCT R PCKG: 8 PIN NSOIC (Narrow rfrs to symol ) at: 5//5 SP49/49 Full uplx RS-485 Transivrs Copyright 24 Sipx Corporation 6
7 PCKG: 4 PIN NSOIC /2 /2 S VIW C INX R (/2 X /2) TOP VIW Ø Sating Plan Ø 2 Gaug Plan Ø 2 VIW C SI VIW 4 Pin NSOIC (JC MS-2, - VRITION) IMNSIONS Minimum/Maximum (mm) WITH PTING COMMON HIGHT IMNSION SYMO 2 2 Ø Ø MIN NOM MX SC 6. SC 3.9 SC.27 SC RF.25 SC º - 8º 5º - 5º S MT CONTCT R 4 PIN NSOIC (Narrow rfrs to symol ) at: 5//5 SP49/49 Full uplx RS-485 Transivrs Copyright 24 Sipx Corporation 7
8 PCKG: 8 PIN PIP 3 2 INX R N PIN PIP JC MS- () Variation 2 imnsions in (mm) MIN NOM MX S TI SC.3 SC C 8 pin PIP at: 5//5 SP49/49 Full uplx RS-485 Transivrs Copyright 24 Sipx Corporation 8
9 PCKG: 4 PIN PIP 3 2 INX R N PIN PIP JC MS- () Variation 2 imnsions in (mm) MIN NOM MX S TI SC.3 SC C 4 pin PIP at: 5//5 SP49/49 Full uplx RS-485 Transivrs Copyright 24 Sipx Corporation 9
10 ORRING INFORMTION Part Numr TopMark Tmpratur Rang Pakag SP49CN CNYYWW... C to +7 C... 8-Pin NSOIC SP49CN/TR CNYYWW... C to +7 C... 8-Pin NSOIC SP49N.... SP49NYYWW...-4 C to +85 C... 8-Pin NSOIC SP49N/TR.... SP49NYYWW...-4 C to +85 C... 8-Pin NSOIC SP49CP.... SP49CPYYWW... C to +7 C... 8-Pin PIP SP49P.... SP49PYYWW...-4 C to +85 C... 8-Pin PIP SP49CN.... SP49CNYYWW... C to +7 C... 4-Pin NSOIC SP49CN/TR.... SP49CNYYWW... C to +7 C... 4-Pin NSOIC SP49N.... SP49NYYWW...-4 C to +85 C... 4-Pin NSOIC SP49N/TR.... SP49NYYWW...-4 C to +85 C... 4-Pin NSOIC SP49CP.... SP49CPYYWW... C to +7 C... 4-Pin PIP SP49P.... SP49PYYWW...-4 C to +85 C... 4-Pin PIP /TR = Tap and Rl Pak quantity is 25 for Narrow SOIC. RVISION HISTORY T RVISION SCRIPTION 2/9/4 Prodution Rlas. 4/4/4 Inludd 8 Pin NSOIC pakag sp 5/8/4 C ddd Topmark information. Rmovd PIP pakag option. 5//5 Rmovd Prliminary status from front pag. Corporation NOG XCNC Sipx Corporation Hadquartrs and Sals Offi 233 South Hillviw riv Milpitas, C 9535 T: (48) FX: (48) Sipx Corporation rsrvs th right to mak hangs to any produts dsrid hrin. Sipx dos not assum any liaility arising out of th appliation or us of any produt or iruit dsrid hring; nithr dos it onvy any lins undr its patnt rights nor th rights of othrs. at: 5//5 SP49/49 Full uplx RS-485 Transivrs Copyright 24 Sipx Corporation
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