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MAX491E

Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers

GeneralDescription TheMAX481,MAX483,MAX485,MAX487–MAX491,andMAX1487arelow-powertransceiversforRS-485andRS-422communication.Eachpartcontainsonedriverandonereceiver.TheMAX483,MAX487,MAX488,andMAX489featurereducedslew-ratedriversthatminimizeEMIandreducereflecti

MAX491E

±15kV ESD保護(hù)、限擺率、低功耗、RS-485/RS-422收發(fā)器; ?針對(duì)容錯(cuò)應(yīng)用：\nMAX3430：±80V故障保護(hù)、故障安全、1/4單位負(fù)載、+3.3V、RS-485收發(fā)器\nMAX3080-MAX3089：故障安全、高速(10Mbps)、限擺率、RS-485/RS-422收發(fā)器\n?針對(duì)空間受限的應(yīng)用：\nMAX3460-MAX3464：+5V、故障安全、20Mbps、Profibus、RS-485/RS-422收發(fā)器\nMAX3362：+3.3V、高速、RS-485/RS-422收發(fā)器，采用SOT23封裝\nMAX3280E-MAX3284E：±15kV ESD保護(hù)、52Mbps、+3V至+5.5V、SOT23、RS-485/RS-422真故障安全接收器\nMAX3030E-MAX3033E：±15kV ESD保護(hù)、+3.3V、四通道RS-422發(fā)射器\n?針對(duì)多收發(fā)器應(yīng)用：\nMAX3293/MAX3294/MAX3295：20Mbps、+3.3V、SOT23、RS-485/RS-422發(fā)射器\n?針對(duì)故障安全應(yīng)用：\nMAX3440E-MAX3444E：±15kV ESD保護(hù)、±60V故障保護(hù)、10Mbps、故障安全RS-485/J1708收發(fā)器\n?針對(duì)低壓應(yīng)用：\nMAX3483E/MAX3485E/MAX3486E/MAX3488E/MAX3490E/MAX3491E：+3.3V供電、±15kV ESD保護(hù)、12Mbps、限擺率、真正的RS-485/RS-422收發(fā)器;

MAX481E、MAX483E、MAX485E、MAX487E-MAX491E和MAX1487E是低功耗收發(fā)器，適用于惡劣環(huán)境中的RS-485和RS-422通信。每個(gè)驅(qū)動(dòng)器輸出和接收器輸入都受到保護(hù)，可防止±15kV靜電放電(ESD)沖擊，不會(huì)發(fā)生閂鎖。這些器件包含一個(gè)驅(qū)動(dòng)器和一個(gè)接收器。MAX483E、MAX487E、MAX488E和MAX489E具有低擺率驅(qū)動(dòng)器，可充分降低EMI并減少因電纜端接不當(dāng)引起的反射，從而實(shí)現(xiàn)高達(dá)250kbps的無(wú)誤差數(shù)據(jù)傳輸。MAX481E、MAX485E、MAX490E、MAX491E和MAX1487E的驅(qū)動(dòng)器擺率不受限制，因此傳輸速率高達(dá)2.5Mbps。\n\n 這些收發(fā)器在空載時(shí)或滿載禁用驅(qū)動(dòng)器時(shí)的電源電流消耗低至120μA（參見“選型指南”）。此外，MAX481E、MAX483E和MAX487E在低電流關(guān)斷模式下的電流消耗僅為0.5μA。所有器件均采用+5V單電源供電。\n\n 驅(qū)動(dòng)器具有短路限流功能，并且通過(guò)熱關(guān)斷電路將其輸出置于高阻抗?fàn)顟B(tài)，以防止功耗過(guò)大。接收器輸入具有故障安全特性，可在輸入開路時(shí)確保輸出保持邏輯高電平。\n\n MAX487E和MAX1487E具有?單位負(fù)載接收器輸入阻抗，支持總線連接多達(dá)128個(gè)收發(fā)器。MAX488E-MAX491E可用于全雙工通信，而MAX481E、MAX483E、MAX485E、MAX487E和MAX1487E可用于半雙工應(yīng)用。對(duì)于非ESD敏感型應(yīng)用，請(qǐng)參見引腳和功能兼容的MAX481、MAX483、MAX485、MAX487-MAX491和MAX1487。\n\n ?\n\n

MAX491E

±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers

MAX491ECPD

?15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers

GeneralDescription TheMAX481E,MAX483E,MAX485E,MAX487E–MAX491E,andMAX1487Earelow-powertransceiversforRS-485andRS-422communicationsinharshenvironments.Eachdriveroutputandreceiverinputisprotectedagainst±15kVelectrostaticdischarge(ESD)shocks,withoutlatchup.These

MAX491ECSD

?15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers

GeneralDescription TheMAX481E,MAX483E,MAX485E,MAX487E–MAX491E,andMAX1487Earelow-powertransceiversforRS-485andRS-422communicationsinharshenvironments.Eachdriveroutputandreceiverinputisprotectedagainst±15kVelectrostaticdischarge(ESD)shocks,withoutlatchup.These

MAX491EEPD

?15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers

GeneralDescription TheMAX481E,MAX483E,MAX485E,MAX487E–MAX491E,andMAX1487Earelow-powertransceiversforRS-485andRS-422communicationsinharshenvironments.Eachdriveroutputandreceiverinputisprotectedagainst±15kVelectrostaticdischarge(ESD)shocks,withoutlatchup.These

MAX491EESD

?15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers

GeneralDescription TheMAX481E,MAX483E,MAX485E,MAX487E–MAX491E,andMAX1487Earelow-powertransceiversforRS-485andRS-422communicationsinharshenvironments.Eachdriveroutputandreceiverinputisprotectedagainst±15kVelectrostaticdischarge(ESD)shocks,withoutlatchup.These

MAX491EPD

Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers

GeneralDescription TheMAX481,MAX483,MAX485,MAX487–MAX491,andMAX1487arelow-powertransceiversforRS-485andRS-422communication.Eachpartcontainsonedriverandonereceiver.TheMAX483,MAX487,MAX488,andMAX489featurereducedslew-ratedriversthatminimizeEMIandreducereflecti

MAX491ESD

Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers

GeneralDescription TheMAX481,MAX483,MAX485,MAX487–MAX491,andMAX1487arelow-powertransceiversforRS-485andRS-422communication.Eachpartcontainsonedriverandonereceiver.TheMAX483,MAX487,MAX488,andMAX489featurereducedslew-ratedriversthatminimizeEMIandreducereflecti

MAX491ECPD+

Package：14-DIP（0.300"，7.62mm）；包裝：卷帶（TR）剪切帶（CT）Digi-Reel? 得捷定制卷帶 類別：集成電路（IC） 驅(qū)動(dòng)器，接收器，收發(fā)器 描述：IC TRANSCEIVER FULL 1/1 14DIP