AN2846 datasheet(1/35 Pages) STMICROELECTRONICS

Il numero della parte	AN2846

Spiegazioni elettronici	The serial current limited termination device

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Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

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February 2010

Doc ID 15130 Rev 1

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AN2846

Application note

SCLT3-8 - guidelines for use in industrial automation applications

Introduction

The serial current limited termination device SCLT3-8 provides 8 inputs and supports the

data transfer of the input states through a limited opto-transistor count thanks to the digital

SPI (serial peripheral interface).

The purpose of this document is to:

■ Help designers to use the SCLT3-8 in basic operations and to allow them to use it easily

in their own applications by describing the SCLT3-8 behavior in detail (Refer also to the

SCLT3-8 device datasheet and to the User guide for the evaluation board

STEVAL-IFP000V1.)

■ Provide basic schematic diagrams

■ Provide information on the thermal behavior of the SCLT3-8 device

■ Offer recommendations to achieve robust SCLT3-8 designs to optimize EMI protection in

accordance with industry standards (IEC 61000-4-2, 4-4, 4-5 and 4-6)

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