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TP8480

±12K ESD Protection, Dedicated RS-485 Driver or Receiver

Overview

The TP8481/0 is 3V~5.5V powered transceivers that meet the RS-485 and RS-422 standards for balanced communication. Driver outputs and receiver inputs are protected against ±12kV ESD strikes without latch-up.

Transmitters in this family deliver exceptional differential output voltages (2.5V min/5Vcc), into the RS-485 required 54Ω load, for better noise immunity, or to allow up to eight 120Ω terminations in “star” topologies. These devices have very low bus currents so they present a true “1/8 unit load” to the RS-485 bus. This allows up to 256 transceivers on the network without using repeaters. 

Receiver (Rx) inputs feature a “Full Fail-Safe” design, which ensures a logic high Rx output if Rx inputs are floating, shorted, or on a terminated but undriven bus. Rx outputs feature high drive levels - typically 25mA @ VOL = 1V (to ease the design of optocoupled isolated interfaces).

The TP8481/0 is available in an SOP8 package, and is characterized from –40°C to 125°C.


  • Status

    Production

  • Rating

    Industrial

  • Drivers Per Package

    0

  • Receivers Per Package

    1

  • VCC (Min) (V)

    3

  • VCC (Max) (V)

    5.5

  • Data Rate (Max) (kBPS)

    250

  • ICC (Max) (mA)

    0.6

  • ESD HBM (kV)

    12

  • IEC-61000-4-2 Contact (kV)

    N/A

  • Operating Temperature Range (℃)

    -40 to +126

  • Package

    SOP8

Development Resources

Application

    • Industrial Automation

    • HVAC Systems

    • Process Control

    • DMX512-Networks

    • Battery-Powered Applications

Ordering Detail

Order Part Number Buy Rating Feature Status 1ku Price Release Date Package Lead time (week) MSL Packing MPQ CPQ
TP8480-SO1R Industrial Grade / Released $0.340 2022-01-29 SOP8 8 MSL3 T&R 4000 20000
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