MAX3087E:±15kV ESD保护、失效保护、高速(10Mbps)、限摆率RS-485/RS-422收发器

The MAX3080E–MAX3089E are ±15kV electrostatic discharge (ESD)-protected, high-speed transceivers for RS-485/RS-422 communication that contain one driver and one receiver. These devices feature fail-safe circuitry, which guarantees a logic-high receiver output when the receiver inputs are open or shorted. This means that the receiver output will be a logic high if all transmitters on a terminated bus are disabled (high impedance). The MAX3080E/MAX3081E/MAX3082E feature reduced slew-rate drivers that minimize EMI and reduce reflections caused by improperly terminated cables, allowing error-free data transmission up to 115kbps. The MAX3083E/MAX3084E/MAX3085E offer higher driver output slew-rate limits, allowing transmit speeds up to 500kbps. The MAX3086E/MAX3087E/MAX3088Es' driver slew rates are not limited, making transmit speeds up to 10Mbps possible. The MAX3089E's slew rate is selectable between 115kbps, 500kbps, and 10Mbps by driving a selector pin with a single three-state driver. All devices feature enhanced ESD protection. All transmitter outputs and receiver inputs are protected to ±15kV using the Human Body Model. These transceivers typically draw 375µA of supply current when unloaded, or when fully loaded with the drivers disabled. All devices have a 1/8-unit-load receiver input impedance that allows up to 256 transceivers on the bus. The MAX3082E/MAX3085E/MAX3088E are intended for halfduplex communications, while the MAX3080E/MAX3081E/MAX3083E/MAX3084E/MAX3086E/MAX3087E are intended for full-duplex communications. The MAX3089E is selectable between half-duplex and full-duplex operation. It also features independently programmable receiver and transmitter output phase via separate pins.

关键特性
  • ESD Protection for RS-485 I/O Pins ±15kV, Human Body Model
  • True Fail-Safe Receiver While Maintaining EIA/TIA-485 Compatibility
  • Enhanced Slew-Rate Limiting Facilitates Error-Free Data Transmission (MAX3080E–MAX3085E/MAX3089E)
  • 1nA Low-Current Shutdown Mode (Except MAX3081E/MAX3084E/MAX3087E)
  • Pin-Selectable Full/Half-Duplex Operation (MAX3089E)
  • Phase Controls to Correct for Twisted-Pair Reversal (MAX3089E)
  • Allow Up to 256 Transceivers on the Bus
MAX3080E、MAX3083E、MAX3086E:引脚配置
MAX3080E、MAX3083E、MAX3086E:引脚配置
应用
  • 工业控制局域网
  • 电平转换器
  • RS-422/RS-485通信
  • 用于EMI敏感应用的收发器
数据手册DataSheet
语言下载文件备注
英文MAX3080E-MAX3089E.pdfRev 1; 12/2006
关键参数
Part NumberTx/RxDuplexVSUPPLY
(V)
ICC
(mA)
Data Rate
(kbps)
ESD Protect.
(±kV)
Tx ENRx ENICC (Shutdn.)
(µA)
Rx/Tx on BusRx Failsafe w/ InputsSlew Rate LimitingOper. Temp.
(°C)
Package/PinsBudgetary
Price
typmintypSee Notes
MAX3080E1Tx + 1RxFull50.375115-YesYes0.001256Open or ShortedNo
  • -40 to +85
  • 0 to +70
  • PDIP(N)/14
  • SOIC(N)/14
$1.75 @1k
MAX3081EFull11515NoNo-
  • PDIP(N)/8
  • SOIC(N)/8
MAX3082EHalf11515YesYes0.001
  • PDIP(N)/8
  • SOIC(N)/8
MAX3083EFull50015YesYes0.001
  • PDIP(N)/14
  • SOIC(N)/14
MAX3084EFull50015NoNo-
  • PDIP(N)/8
  • SOIC(N)/8
MAX3085EHalf50015YesYes0.001
  • PDIP(N)/8
  • SOIC(N)/8
MAX3086EFull1000015YesYes0.001
  • PDIP(N)/14
  • SOIC(N)/14
MAX3087EFull1000015NoNo-
  • PDIP(N)/8
  • SOIC(N)/8
MAX3088EHalf1000015YesYes0.001
  • PDIP(N)/8
  • SOIC(N)/8
MAX3089EHalf/Full1000015YesYes0.001
  • PDIP(N)/14
  • SOIC(N)/14
技术资料
订购型号
型号状况推荐替代产品封装温度RoHS/无铅
MAX3087ECPA停止供货MAX3087ECPA+PDIP(N),;8引脚;81.9mm²0°C至+70°CRoHS/无铅:否
MAX3087ECPA+生产中PDIP(N),;8引脚;81.9mm²0°C至+70°CRoHS/无铅:无铅
MAX3087ECSA停止供货MAX3087ECSA+SOIC(N),;8引脚;30.9mm²0°C至+70°CRoHS/无铅:否
MAX3087ECSA+生产中SOIC(N),;8引脚;30.9mm²0°C至+70°CRoHS/无铅:无铅
MAX3087ECSA+T生产中SOIC(N),;8引脚;30.9mm²0°C至+70°CRoHS/无铅:无铅
MAX3087ECSA-T停止供货MAX3087ECSA+TN.SO;8引脚0°C至+70°C参考数据资料
MAX3087EEPA停止供货MAX3087EEPA+PDIP(N),;8引脚;81.9mm²-40°C至+85°CRoHS/无铅:否
MAX3087EEPA+生产中PDIP(N),;8引脚;81.9mm²-40°C至+85°CRoHS/无铅:无铅
MAX3087EESA停止供货MAX3087EESA+SOIC(N),;8引脚;30.9mm²-40°C至+85°CRoHS/无铅:否
MAX3087EESA+生产中SOIC(N),;8引脚;30.9mm²-40°C至+85°CRoHS/无铅:无铅
型号状况推荐替代产品封装:类型 引脚 占位面积封装图 编码/变更 *温度RoHS/无铅?
MAX3087EESA+T生产中SOIC(N),;8引脚;30.9mm²-40°C至+85°CRoHS/无铅:无铅
MAX3087EESA-T停止供货MAX3087EESA+TN.SO;8引脚-40°C至+85°C参考数据资料
MAX3087ESA/GG8生产中SOIC (;-40°C至+85°C参考数据资料
MAX3080E-MAX3089E.pdf MAX3089E
Using RS-485/RS-422 Transceivers in Fieldbus Networks MAX3464
MAX3080E-MAX3089E.pdf MAX3089E