MAX3084:失效保护、高速(10Mbps)、限摆率、RS-485/RS-422收发器

The MAX3080-MAX3089 high-speed transceivers for RS-485/RS-422 communication 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 MAX3080/MAX3081/MAX3082 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 MAX3083/MAX3084/MAX3085 offer higher driver output slew-rate limits, allowing transmit speeds up to 500kbps. The MAX3086/MAX3087/MAX3088's driver slew rates are not limited, making transmit speeds up to 10Mbps possible. The MAX3089's slew rate is selectable between 115kbps, 500kbps, and 10Mbps by driving a selector pin with a single three-state driver. 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 MAX3082/MAX3085/MAX3088 are intended for halfduplex communications, while the MAX3080/MAX3081/ MAX3083/MAX3084/MAX3086/MAX3087 are intended for full-duplex communications. The MAX3089 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
  • For Fault-Tolerant Applications: MAX3430: ±80V Fault-Protected, Fail-Safe, 1/4- Unit Load, +3.3V RS-485 Transceiver
  • For Low-Voltage Applications: MAX3362: +3.3V, High-Speed, RS-485/RS-422 Transceiver in a SOT23 Package
  • For Multiple Transceiver Applications: MAX3030E-MAX3033E: ±15kV ESD-Protected, +3.3V, Quad, RS-422 Transmitters MAX3040-MAX3045: ±10kV ESD-Protected, Quad, +5V, RS-485/RS-422 Transmitters
MAX3080、MAX3083、MAX3086:引脚配置
MAX3080、MAX3083、MAX3086: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MAX3080-MAX3089.pdfRev 2; 03/2004
关键参数
Part NumberTx/RxDuplexVSUPPLY
(V)
ICC
(mA)
Data Rate
(kbps)
Tx ENRx ENICC (Shutdn.)
(µA)
Rx/Tx on BusRx Failsafe w/ InputsSlew Rate LimitingOper. Temp.
(°C)
Package/PinsBudgetary
Price
typmintypSee Notes
MAX30801Tx + 1RxFull50.375115YesYes0.001256Open or ShortedNo
  • -40 to +85
  • 0 to +70
  • PDIP(N)/14
  • SOIC(N)/14
$1.62 @1k
MAX3081Full115NoNo-No
  • PDIP(N)/8
  • SOIC(N)/8
$1.68 @1k
MAX3082Half115YesYes0.001No
  • PDIP(N)/8
  • SOIC(N)/8
$1.62 @1k
MAX3083Full500YesYes0.001No
  • PDIP(N)/14
  • SOIC(N)/14
$1.62 @1k
MAX3084Full500NoNo-No
  • PDIP(N)/8
  • SOIC(N)/8
$1.62 @1k
MAX3085Half500YesYes0.001No
  • PDIP(N)/8
  • SOIC(N)/8
$1.62 @1k
MAX3086Full10000YesYes0.001No
  • PDIP(N)/14
  • SOIC(N)/14
$1.62 @1k
MAX3087Full10000NoNo-No
  • PDIP(N)/8
  • SOIC(N)/8
$1.62 @1k
MAX3088Half10000YesYes0.001No
  • PDIP(N)/8
  • SOIC(N)/8
$1.62 @1k
MAX3089Half/Full10000YesYes0.001-
  • PDIP(N)/14
  • SOIC(N)/14
$1.62 @1k
质量和环境数据
订购型号
型号状况推荐替代产品封装温度RoHS/无铅
MAX3084CPA停止供货MAX3084CPA+PDIP(N),;8引脚;81.9mm²0°C至+70°CRoHS/无铅:否
MAX3084CPA+生产中PDIP(N),;8引脚;81.9mm²0°C至+70°CRoHS/无铅:无铅
MAX3084CSA停止供货MAX3084CSA+SOIC(N),;8引脚;30.9mm²0°C至+70°CRoHS/无铅:否
MAX3084CSA+生产中SOIC(N),;8引脚;30.9mm²0°C至+70°CRoHS/无铅:无铅
MAX3084CSA+T生产中SOIC(N),;8引脚;30.9mm²0°C至+70°CRoHS/无铅:无铅
MAX3084CSA-T停止供货MAX3084CSA+TSOIC(N),;8引脚;30.9mm²0°C至+70°CRoHS/无铅:否
MAX3084EPA停止供货MAX3084EPA+PDIP(N),;8引脚;81.9mm²-40°C至+85°CRoHS/无铅:否
MAX3084EPA+生产中PDIP(N),;8引脚;81.9mm²-40°C至+85°CRoHS/无铅:无铅
MAX3084ESA停止供货MAX3084ESA+SOIC(N),;8引脚;30.9mm²-40°C至+85°CRoHS/无铅:否
MAX3084ESA+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?
MAX3084ESA+T生产中SOIC(N),;8引脚;30.9mm²-40°C至+85°CRoHS/无铅:无铅
MAX3084ESA-T停止供货MAX3084ESA+TSOIC(N),;8引脚;30.9mm²-40°C至+85°CRoHS/无铅:否
MAX3080-MAX3089.pdf MAX3089
MAX3084.pdf MAX3084
MAX3080-MAX3089.pdf MAX3089