MAX13085E

+5.0V, ±15kV ESD-Protected, Fail-Safe, Hot-Swap, RS-485/RS-422 Transceiver


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Description

The MAX13085E +5.0V, ±15kV ESD-protected, RS-485/RS-422 transceiver features one driver and one receiver. The device includes fail-safe circuitry, guaranteeing a logic-high receiver output when receiver inputs are open or shorted. The receiver outputs a logic-high if all transmitters on a terminated bus are disabled (high impedance). The MAX13085E includes a hot-swap capability to eliminate false transitions on the bus during power-up or hot insertion.

The MAX13085E features reduced slew-rate drivers that minimize EMI and reduce reflections caused by improperly terminated cables, allowing error-free data transmission up to 500kbps.

The MAX13085E is ideal for half-duplex communications and it draws 1.2mA of supply current when unloaded or when fully loaded with the drivers disabled. The MAX13085E has a 1/8-unit load receiver input impedance, allowing up to 256 transceivers on the bus.

The MAX13085E is available in an 8-pin SO and PDIP packages.
MAX13085E: Typical Half-Duplex RS-485 Network MAX13085E: Typical Half-Duplex RS-485 Network Enlarge+

Key Features

  • +5.0V Operation
  • Extended ESD Protection for RS-485/RS-422 I/O Pins ±15kV Human Body Model
  • True Fail-Safe Receiver While Maintaining EIA/TIA-485 Compatibility
  • Hot-Swap Input Structures on DE and active-low RE
  • Enhanced Slew-Rate Limiting Facilitates Error-Free Data Transmission
  • Low-Current Shutdown Mode
  • Allow Up to 256 Transceivers on the Bus
  • Available in Industry-Standard 8-Pin SO and PDIP Packages

Applications/Uses

  • Industrial Control
  • Instrumentation
  • Lighting Systems
  • PROFIBUS
  • Security Systems
  • Telecom
  • Utility Meters

See parametric specs for RS-485/RS-422 Line Driver/Receivers (208)


Part NumberTx/RxDuplexVSUPPLY
(V)
ICC
(mA)
Data Rate
(kbps)
ESD Protection
(±kV)
Tx ENRx ENICC (Shutdn.)
(µA)
Rx/Tx on BusRx Failsafe w/ InputsSlew Rate LimitingOper. Temp.
(°C)
Package/PinsBudgetary
Price
typmintypSee Notes
MAX13085E 1Tx + 1RxHalf51.250015YesYes2.8256Open or ShortedYes
-40 to +85
-40 to +125
0 to +70
PDIP/8
SOIC (N)/8
$1.69 @1k

Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
Product Reliability Reports: MAX13085E.pdf 
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C   Material Composition  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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