EVAL-ADM2484EEBZ

Evaluation Board User Guide UG-301 One Technology Way • P.O. Box 9106 • Norwood, MA 02062-9106, U.S.A. • Tel: 781.329.4700 • Fax: 781.461.3113 • www.analog.com Evaluation Board for the ADM2484E 5 kV Signal Isolated, ESD Protected, 500 kbps, Half-/Full Duplex, iCoupler, Isolated RS-485 Transceiver FEATURES GENERAL DESCRIPTION Configurable as a half- or full duplex, isolated RS-485/RS-422 transceiver Suitable for 5 V or 3.3 V operation on VDD1 Suitable for 3.3 V operation on VDD2 500 kbps data rate 256 nodes on bus The EVAL-ADM2484EEBZ allows the isolated ADM2484E RS-485 transceiver to be evaluated quickly and easily. The evaluation board allows all of the input and output functions to be exercised without the need for external components. APPLICATIONS Isolated RS-485/RS-422 interfaces INTERBUS Industrial field networks Multipoint data transmission systems EVALUATION KIT CONTENTS EVAL–ADM2484EEBZ The ADM2484E differential bus transceiver is an integrated, galvanically isolated component designed for bidirectional data communication on multipoint bus transmission lines. The device employs Analog Devices, Inc., iCoupler® technology to combine a 3-channel isolator, a three-state differential line driver, and a differential input receiver into a single package. The logic side of the device is powered with either a 5 V or a 3.3 V supply, and the bus side uses an isolated 3.3 V supply. The EVAL-ADM2484EEBZ incorporates extra jumpers to switch in or out added termination resistors on the bus side of the transceiver and can switch between full and half-duplex configurations. 10027-001 EVALUATION BOARD DIGITAL PHOTOGRAPH Figure 1. EVAL-ADM2484EEBZ Photo PLEASE SEE THE LAST PAGE FOR AN IMPORTANT WARNING AND LEGAL TERMS AND CONDITIONS. Rev. A | Page 1 of 8 UG-301 Evaluation Board User Guide TABLE OF CONTENTS Features .............................................................................................. 1 Setting Up the Evaluation Board .................................................3 Applications ....................................................................................... 1 Half-Duplex/Full Duplex configuration ....................................3 Evaluation Kit Contents ................................................................... 1 Evaluation Board Schematic and Artwork.....................................4 General Description ......................................................................... 1 Ordering Information .......................................................................7 Evaluation Board Digital Photograph............................................ 1 Bill of Materials ..............................................................................7 Revision History ............................................................................... 2 Related Links ..................................................................................7 Evaluation Board Configurations................................................... 3 REVISION HISTORY 9/2016—Rev. 0 to Rev. A Changes to General Description Section and Figure 1 ............... 1 Changes to Setting up the Evaluation Board Section, HalfDuplex/Full Duplex Configuration Section, and Table 1............ 3 Added Table 2; Renumbered Sequentially .................................... 3 Changes to Figure 2 .......................................................................... 4 Changes to Figure 3 and Figure 4 ................................................... 5 Changes to Figure 5 .......................................................................... 6 Changes to Table 3 ............................................................................ 7 8/2011—Revision 0: Initial Version Rev. A | Page 2 of 8 Evaluation Board User Guide UG-301 EVALUATION BOARD CONFIGURATIONS SETTING UP THE EVALUATION BOARD The logic side is suitable for 5 V or 3.3 V operation on the VDD1 test point. A 100 nF decoupling capacitor, C2, and a 10 nF decoupling capacitor, C1, are fitted between the VDD1 and GND1 test points. The EVAL-ADM2484EEBZ board also has C6, a 10 µF decoupling capacitor, for the input supply. The bus side is suitable for 3.3 V operation on the VDD2 test point. A 100 nF decoupling capacitor, C3, and a 10 nF decoupling capacitor, C4, are fitted between the VDD2 and GND2 test points. The board also includes C16, a 10 µF decoupling capacitor for the input supply (see Figure 2). The EVAL-ADM2484EEBZ allows the isolated ADM2484E RS-485 transceiver to be easily and quickly evaluated. The evaluation board allows all input and output functions to be exercised without the need for external components. Termination resistors (RT1, RT2, RT3, and RT4) are fitted on the receiver inputs; these resistors can be jumpered in or out using Jumpers LK5, LK6, LK7, and LK8 if deemed necessary. RT1 and RT2 are fitted between the A and B receiver input lines, whereas RT3 and RT4 are fitted between the Z and Y receiver input lines. Refer to the AN-960 Application Note, RS-485/RS-422 Circuit Implementation Guide, for an explanation of bus termination and fail-safe biasing. The value of the termination resistors must be equal to the characteristic impedance of the cable used; 120 Ω is the standard termination resistor value used for all termination resistors. Therefore, depending on the jumper configuration, receiver input/output lines can be terminated by 0 Ω (no termination), 120 Ω (RT1 or RT2 in place), or 60 Ω (RT1 and RT2, or RT3 and RT4). 0 Ω is usually used when the board is connected to a bus that is already terminated at both ends. HALF-DUPLEX/FULL DUPLEX CONFIGURATION To set up the EVAL-ADM2484EEBZ for a full duplex configuration, Jumpers LK2 and LK3 must be removed. For a half-duplex configuration, these jumpers must be included. LK2 ties B to Z, and LK3 ties A to Y. Table 1. Board Configurations and Jumper Settings Configuration Half-Duplex Configuration Full Duplex Configuration RE High RE Low Using the Screw Terminal for RE DE High DE Low Using the Screw Terminal for DE High/Low Jumpers Fitted LK3 and LK2 Not applicable LK4 (Position A) LK4 (Position B) LK4 (Position C) LK1 and LK4 (Position A) LK1 and LK4 (Position B) LK1 and LK4 (Position C) Jumpers Open Not applicable LK3 and LK2 LK4 (Position B, Position C, and Position D) LK4 (Position A, Position C, and Position D) LK4 (Position A, Position B, and Position D) LK4 (Position B and Position C) LK4 (Position A and Position C) LK4 (Position A, Position B, and Position D) Table 2. Termination Resistor Jumper Settings Configuration Receiver Line Inputs (A and B), 0 Ω Termination Receiver Line Inputs (A and B), 60 Ω Termination Receiver Line Inputs (A and B), 120 Ω Termination Receiver Line Outputs (Z and Y), 0 Ω Termination Receiver Line Outputs (Z and Y), 60 Ω Termination Receiver Line Outputs (Z and Y), 120 Ω Termination Jumpers Fitted Not applicable LK5 and LK6 LK5 or LK6 Not applicable LK7 and LK8 LK7 or LK8 Rev. A | Page 3 of 8 Jumpers Open LK5 and LK6 Not applicable LK6 or LK5 LK7 and LK8 Not applicable LK7 or LK8 UG-301 Evaluation Board User Guide EVALUATION BOARD SCHEMATIC AND ARTWORK 10027-002 Figure 2. EVAL-ADM2484EEBZ Schematic Rev. A | Page 4 of 8 UG-301 10027-003 Evaluation Board User Guide 10027-004 Figure 3. EVAL-ADM2484EEBZ Solder Side Figure 4. EVAL-ADM2484EEBZ Components Rev. A | Page 5 of 8 Evaluation Board User Guide 10027-005 UG-301 Figure 5. EVAL-ADM2484EEBZ Silkscreen Rev. A | Page 6 of 8 Evaluation Board User Guide UG-301 ORDERING INFORMATION BILL OF MATERIALS Table 3. Quantity 1 1 2 2 1 2 1 4 2 1 1 1 6 Reference Designator A B C1, C4 C2, C3 C5 C6, C16 DE GND1, GND2, GND3, GND4 J1, J2 J3 J4 LK1 1 LK2, LK3, LK5, LK6, LK7, LK8 LK4 4 R1, R2, R3, R4 1 1 4 1 1 1 2 1 1 R6 RE RT1, RT2, RT3, RT4 RXD TXD U1 VDD1, VDD2 Y Z Description Yellow test point Green test point Multilayer ceramic capacitor, 0603 Multilayer ceramic capacitor, 0603 Capacitor (do not insert) 16 V polarized capacitor Yellow test point Black test point Supplier/Part Number Vero/20-313140 Vero/20-313138 Multicomp/MCCA000147 Multicomp/MCCA000255 Not applicable KEMET/B45196H3106K209 Vero/20-313140 Vero/20-2137 Terminal block, 2-way Terminal block, 4-way Terminal block, 6-way 6-pin (3 × 2), 0.1 in. header and shorting block Jumper block, 2-pin, 0.1 in. spacing Lumberg/KRM02 Lumberg/KRM04 Lumberg/KRM06 Harwin/M20-9983646 8-pin (4 × 2), 0.1 in. header and shorting block Resistor, 0805 (do not insert for ADM2491E) Thick film resistor, 0805 Green test point Thick film resistor, 0805 Green test point Yellow test point ADM2484E/ADM2491E Red test point Yellow test point Green test point Harwin/M20-9983646 Harwin/M20-9990246 Multicomp/MC 0.1W 0805 1% 910R Vishay Draloric/CRCW08050000Z0EA Vero/20-313138 Multicomp/MC 0.1W 0805 1% 120R Vero/20-313138 Vero/20-313140 Analog Devices/ADM2484EBRWZ, ADM2491EBRWZ Vero/20-313137 Vero/20-313140 Vero/20-313138 RELATED LINKS Resource ADM2484E AN-960 Description 5 kV Signal Isolated, ESD Protected, 500 kbps, Full/Half Duplex RS-485 Transceiver RS-485/RS-422 Circuit Implementation Guide Rev. A | Page 7 of 8 UG-301 Evaluation Board User Guide NOTES ESD Caution ESD (electrostatic discharge) sensitive device. Charged devices and circuit boards can discharge without detection. Although this product features patented or proprietary protection circuitry, damage may occur on devices subjected to high energy ESD. Therefore, proper ESD precautions should be taken to avoid performance degradation or loss of functionality. Legal Terms and Conditions By using the evaluation board discussed herein (together with any tools, components documentation or support materials, the “Evaluation Board”), you are agreeing to be bound by the terms and conditions set forth below (“Agreement”) unless you have purchased the Evaluation Board, in which case the Analog Devices Standard Terms and Conditions of Sale shall govern. Do not use the Evaluation Board until you have read and agreed to the Agreement. Your use of the Evaluation Board shall signify your acceptance of the Agreement. This Agreement is made by and between you (“Customer”) and Analog Devices, Inc. (“ADI”), with its principal place of business at One Technology Way, Norwood, MA 02062, USA. Subject to the terms and conditions of the Agreement, ADI hereby grants to Customer a free, limited, personal, temporary, non-exclusive, non-sublicensable, non-transferable license to use the Evaluation Board FOR EVALUATION PURPOSES ONLY. Customer understands and agrees that the Evaluation Board is provided for the sole and exclusive purpose referenced above, and agrees not to use the Evaluation Board for any other purpose. Furthermore, the license granted is expressly made subject to the following additional limitations: Customer shall not (i) rent, lease, display, sell, transfer, assign, sublicense, or distribute the Evaluation Board; and (ii) permit any Third Party to access the Evaluation Board. As used herein, the term “Third Party” includes any entity other than ADI, Customer, their employees, affiliates and in-house consultants. The Evaluation Board is NOT sold to Customer; all rights not expressly granted herein, including ownership of the Evaluation Board, are reserved by ADI. CONFIDENTIALITY. This Agreement and the Evaluation Board shall all be considered the confidential and proprietary information of ADI. Customer may not disclose or transfer any portion of the Evaluation Board to any other party for any reason. Upon discontinuation of use of the Evaluation Board or termination of this Agreement, Customer agrees to promptly return the Evaluation Board to ADI. ADDITIONAL RESTRICTIONS. Customer may not disassemble, decompile or reverse engineer chips on the Evaluation Board. Customer shall inform ADI of any occurred damages or any modifications or alterations it makes to the Evaluation Board, including but not limited to soldering or any other activity that affects the material content of the Evaluation Board. Modifications to the Evaluation Board must comply with applicable law, including but not limited to the RoHS Directive. TERMINATION. ADI may terminate this Agreement at any time upon giving written notice to Customer. Customer agrees to return to ADI the Evaluation Board at that time. LIMITATION OF LIABILITY. THE EVALUATION BOARD PROVIDED HEREUNDER IS PROVIDED “AS IS” AND ADI MAKES NO WARRANTIES OR REPRESENTATIONS OF ANY KIND WITH RESPECT TO IT. ADI SPECIFICALLY DISCLAIMS ANY REPRESENTATIONS, ENDORSEMENTS, GUARANTEES, OR WARRANTIES, EXPRESS OR IMPLIED, RELATED TO THE EVALUATION BOARD INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY, TITLE, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS. IN NO EVENT WILL ADI AND ITS LICENSORS BE LIABLE FOR ANY INCIDENTAL, SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES RESULTING FROM CUSTOMER’S POSSESSION OR USE OF THE EVALUATION BOARD, INCLUDING BUT NOT LIMITED TO LOST PROFITS, DELAY COSTS, LABOR COSTS OR LOSS OF GOODWILL. ADI’S TOTAL LIABILITY FROM ANY AND ALL CAUSES SHALL BE LIMITED TO THE AMOUNT OF ONE HUNDRED US DOLLARS ($100.00). EXPORT. Customer agrees that it will not directly or indirectly export the Evaluation Board to another country, and that it will comply with all applicable United States federal laws and regulations relating to exports. GOVERNING LAW. This Agreement shall be governed by and construed in accordance with the substantive laws of the Commonwealth of Massachusetts (excluding conflict of law rules). Any legal action regarding this Agreement will be heard in the state or federal courts having jurisdiction in Suffolk County, Massachusetts, and Customer hereby submits to the personal jurisdiction and venue of such courts. The United Nations Convention on Contracts for the International Sale of Goods shall not apply to this Agreement and is expressly disclaimed. ©2011–2016 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. UG10027-0-9/16(A) Rev. A | Page 8 of 8