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RAA788178 Datasheet RS-485 Transceivers

Manufacturer: Renesas

Download the RAA788178 datasheet PDF. This datasheet also includes the RAA788170 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (RAA788170-Renesas.pdf) that lists specifications for multiple related part numbers.

Overview

Datasheet RAA788170, RAA788172, RAA788173, RAA788175, RAA788176, RAA788178 3.3V, Full Fail-Safe, Low-Power, RS-485 Transceivers with 3kV EFT Immunity and 15kV ESD Protection The RAA78817x family (RAA788170, RAA788172, RAA788173, RAA788175, RAA788176, RAA788178) of 3.3V powered single transceivers feature high output drive and high EFT and ESD protection.

The devices are immune to ±3kV IEC61000-4-4 EFT transients and withstand ±15kV IEC61000-4-2 ESD strikes without latch-up.

These devices have low bus currents (+125µA/-100µA), so they present a true 1/8 unit load to the RS-485 bus.

Key Features

  • IEC61000 ESD protection on RS-485 I/O pins: ±15kV.
  • Class 3 ESD level on all other pins: >7kV HBM.
  • ±3kV EFT immunity of bus I/O pins.
  • Full fail-safe (open, short, terminated/floating) receivers.
  • Hot plug - Tx and Rx outputs remain three-state during power-up.
  • True 1/8 unit load allows up to 256 devices on the bus.
  • Single 3.3V supply.
  • High data rates: up to 20Mbps.
  • Low quiescent supply current: 800µA (Max).
  • Ultra low shutdown supply curren.

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