ISO35T Evaluation Module


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This document describes the ISO1176T/35T/3086T Evaluation Module (EVM). It is used to evaluate the ISO1176T PROFIBUS Transceiver, the ISO35T RS-485 transceiver, or ISO3086T RS-485 Transceiver. Because the devices are similar transceivers, and the printed-circuit board is the same for all three EVMs, this manual can be used for all three devices.

The EVM can be used to evaluate the device parameters while acting as a guide for the board layout. The board alllows for the connection of 50 ohm coaxial cables via QuiteZone connectors. It also provides easy connection points for oscilloscope probes. Banana jacks are provided for the connection of a dc power supply. These features provide the designer with a tool for evaluation and the successful design of an end-product.


4000 Vpeak Isolation

Bus-Pin ESD Protection

- 16 kV HBM Betweent Bus-Pins and GND2

- 6 kV HBM Between Bus-Pins and GND1

1/8 unit Load - Up to 256 Nodes on a Bus

Designed for RS-458 and RS-422 Applications

Signaling Rates up to 1 Mbps

Thermal Shutdown Protection

Low Bus Capacitance - 16 pF (Typ)

50 kV/us Typical Transient Immunity

UL 1577, IEC 60747-5-2 (VDE0884, Rev. 2)

Fail-safe Receiver for Bus Open, Short, Idle

Logic Inputs are 5-V Tolerant

Signal isolators with integrated power
ISO1176T 40-Mbps, half-duplex, isolated RS-485 & RS-422 transceiver with integrated transformer driver ISO3086T 20-Mbps full-duplex 2.5-kVrms isolated RS-485/RS-422 transceiver with integrated transformer driver ISO35T 1-Mbps full-duplex 2.5-kVrms isolated RS-485 & RS-422 transceiver with integrated transformer driver
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Evaluation board

ISO35TEVM — ISO35T Evaluation Module

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Technical documentation

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Type Title Date
Data sheet ISO35T Isolated 3.3V RS-485 Transceiver With Integrated Transformer Driver datasheet (Rev. E) PDF | HTML 18 Aug 2023
Certificate ISO35TEVM EU Declaration of Conformity (DoC) 02 Jan 2019
EVM User's guide ISO1176T/35T/3086T Evaluation Module User's Guide (Rev. A) 13 Jul 2010

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