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XR3081XED-F

Exar
Part Number XR3081XED-F
Manufacturer Exar
Description HIGH OUTPUT 18V TOLERANT RS-485/RS-422 +5V TRANSCEIVERS
Published Sep 2, 2016
Detailed Description X SERIES : EXCELLENCE & RELIABILITY XR3080-88X HIGH OUTPUT 18V TOLERANT RS-485/RS-422 +5V TRANSCEIVERS JULY 2015 REV....
Datasheet PDF File XR3081XED-F PDF File

XR3081XED-F
XR3081XED-F

Overview
X SERIES : EXCELLENCE & RELIABILITY XR3080-88X HIGH OUTPUT 18V TOLERANT RS-485/RS-422 +5V TRANSCEIVERS JULY 2015 REV.
1.
0.
2 GENERAL DESCRIPTION FEATURES The XR3080-88X family of high performance RS-485/ 422 devices are designed for improved performance in noisy industrial environments and increased tolerance to system faults.
The analog bus pins can withstand direct shorts up to ±18V, and are protected against ESD events up to ±15kV.
The Profibus compliant differential output delivers 40% higher SNR than standard RS-485/422 devices, affording additional noise margin or extended cable lengths.
The receivers include full fail-safe circuitry, guaranteeing a logic-high receiver output when the receiver inputs are open, shorted, or undriven.
The receiver input impedance is at minimum 96k (1/8 unit load), allowing up to 256 devices on the bus while preserving the full signal margin.
The drivers are protected by short circuit detection as well as thermal shutdown, and maintain high impedance in shutdown or when powered off.
The XR308085X drivers are slew limited for reduced EMI and errorfree communication over long or unterminated data cables.
The devices with DE and RE pins include hot swap circuitry to prevent false transitions on the bus during powerup or live insertion, and can enter a 1nA low current shutdown mode for extreme power savings.
 40% Higher SNR (Signal-to-Noise Ratio) compared to other RS-485 devices (2.
1V vs.
1.
5V)  ±18V Fault Tolerance on Analog Bus pins  2.
1V Driver Output (Profibus Compliant)  Robust ESD (ElectroStatic Discharge) Protection: ±15kV IEC 61000-4-2 Air Gap Discharge ± 8kV IEC 61000-4-2 Contact Discharge ±15kV Human Body Model ± 4kV Human Body Model on non-bus pins  +4.
5V to +5.
5V Operation (5V ± 10%)  300µA Idle Current, 1nA Shutdown Current  Enhanced Receiver Fail-Safe Protection for Open, Shorted, or Terminated but Idle Data Lines  Hot-Swap Glitch Protection on DE and RE Pins  Driver Short Circuit Current Limit and Ther...


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