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ISL32741EVAL1Z
User's Manual: Evaluation Board
Industrial Precision
Rev 1.00
Aug 2017

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Summary of Contents for Intersil ISL32741EVAL1Z

  • Page 1 ISL32741EVAL1Z User’s Manual: Evaluation Board Industrial Precision Rev 1.00 Aug 2017...
  • Page 2: Specifications

    UG126 Evaluation Board Rev.1.00 Aug 24, 2017 Overview The ISL32741EVAL1Z board enables the evaluation of the ISL32741EIBZ reinforced isolated, half-duplex RS-485 transceiver in a typical bus node application, used in isolated industrial networks. Key Features • Drive capability of up to 160x1/5UL-transceivers •...
  • Page 3: Functional Description

    ISL32741EVAL1Z 2. Functional Description Functional Description The ISL32741E is a reinforced isolated, 40Mbps, half-duplex RS-485 transceiver. The device incorporates a patented refresh circuit to maintain the correct output state with respect to data input. At power-up, the bus outputs follow the tables in “Truth...
  • Page 4: Pcb Layout Guidelines

    Both supplies, V and V , must be bypassed with 100nF ceramic capacitors. These should be placed as close as possible to the supply pins for proper operation. ISL32741EVAL1Z Evaluation Board Figure 2. Top Side Figure 3. Bottom Side UG126 Rev.1.00...
  • Page 5 ISL32741EVAL1Z Circuit Schematic ISL32741EIBZ Figure 4. ISL32741EVAL1Z Schematic...
  • Page 6: Bill Of Materials

    ISL32741EVAL1Z 3. PCB Layout Guidelines Bill of Materials Reference Manufacturer Part Designator Description Manufacturer ISL32741EVAL1ZREVAPCB PWB-PCB, ISL32741EVAL1Z, REVA, ROHS Imagineering Inc ISL32741EIBZ 6KV REINFORCED ISOLATED, 40Mbps, Intersil HALF-DUPLEX RS-485 TRANSCEIVER, ROHS R1Z-3.305/P ISOLATED 3.3V-TO-5V DC/DC CONVERTER WITH RECOM-POWER REGULATED OUTPUT, ROHS...
  • Page 7: Board Layout

    ISL32741EVAL1Z 3. PCB Layout Guidelines Board Layout Figure 6. Top Layer Figure 5. Silkscreen Top Figure 7. Silkscreen Bottom Figure 8. Bottom Layer UG126 Rev.1.00 Page 7 of 10 Aug 24, 2017...
  • Page 8: Typical Performance Curves

    ISL32741EVAL1Z 4. Typical Performance Curves Typical Performance Curves SIGNAL: 2V/DIV TIME: 80ns/DIV SIGNAL: 2V/DIV TIME: 80ns/DIV Figure 10. Receive Mode Figure 9. Transmit Mode SIGNAL: 2V/DIV SIGNAL: 2V/DIV TIME: 10ns/DIV TIME: 10ns/DIV Figure 11. Transmit Mode Figure 12. Receive Mode UG126 Rev.1.00...
  • Page 9: Revision History

    All trademarks and registered trademarks are the property of their respective owners. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that the document is current before proceeding.
  • Page 10 ISL32741EVAL1Z UG126...

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