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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
2-Layer EN55022 Class A Radiated Emissions Compliant Evaluation Board for the
ADM2582E/ADM2587E
FEATURES
2.5 kV rms power and signal isolated RS-485/RS-422 transceiver
PCB layout optimized for EN55022 radiated emissions
according to the
AN-1349 Application Note
ADM2587E
passes EN55022 Class A (certification available)
ADM2582E
passes EN55022 Class A (certification available)
2-layer printed circuit board (PCB) layout that minimizes PCB
material cost
Convenient connections for power and signal through screw
terminal blocks
Configurable as half-duplex or full-duplex
5 V or 3.3 V operation
Easily configurable through jumper connections
Test points for measuring all signals
EVALUATION KIT CONTENTS
EVAL-ADM2582EEMIZ
or
EVAL-ADM2587EEMIZ
DOCUMENTS NEEDED
AN-1349 Application Note
ADM2582E/ADM2587E
data sheet
PLEASE SEE THE LAST PAGE FOR AN IMPORTANT
WARNING AND LEGAL TERMS AND CONDITIONS.
EVAL-ADM2582EEMIZ/EVAL-ADM2587EEMIZ User Guide
2.5 kV rms Signal and Power Isolated RS-485 Transceivers
with ±15 kV ESD Protection
EVALUATION BOARD PHOTOGRAPH
Figure 1.
Rev. 0 | Page 1 of 12
GENERAL DESCRIPTION
The
ADM2582E/ADM2587E
evaluate the
ADM2582E
and
isolated RS-485/RS-422 transceivers. Screw terminal blocks
provide convenient connections for the power and signal
connections. The evaluation board is easily configured through
jumper connections. The board can be used in half-duplex or full-
duplex configurations and has a 120 Ω termination resistor
fitted on the receiver input. The evaluation board can be used
with either the
ADM2582E
16 Mbps device or the
500 kbps device. The driver and receiver are enabled and disabled
by jumper connections. Test points are included on the power
and signal lines on both sides of the isolation barrier.
EN55022 RADIATED EMISSIONS
The
ADM2582E/ADM2587E
reduce emissions generated by the high frequency switching
elements used by the isoPower® technology to transfer power
through the
ADM2582E/ADM2587E
The layout of the evaluation board is generated using the
guidelines provided in the
AN-1349 Application
Implementation Guidelines to Minimize Radiated Emissions on
the ADM2582E/ADM2587E RS-485/RS-422 Transceivers. The
ADM2587E
and
ADM2582E
certified to pass EN55022 Class A.
UG-916
evaluation board can easily
ADM2587E
power and signal
ADM2587E
evaluation board is designed to
integrated transformer.
Note, PCB
evaluation boards are tested and
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Summary of Contents for Analog Devices EVAL-ADM2582EEMIZ
-
Page 1: Features
EVAL-ADM2582EEMIZ/EVAL-ADM2587EEMIZ User Guide UG-916 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 2-Layer EN55022 Class A Radiated Emissions Compliant Evaluation Board for the ADM2582E/ADM2587E 2.5 kV rms Signal and Power Isolated RS-485 Transceivers with ±15 kV ESD Protection... -
Page 2: Table Of Contents
UG-916 EVAL-ADM2582EEMIZ/EVAL-ADM2587EEMIZ User Guide TABLE OF CONTENTS Features ....................1 Termination and Pull-Up/Pull-Down Resistors .......4 Evaluation Kit Contents ..............1 Decoupling and Reservoir Capacitors ........4 Documents Needed ................1 Board Internal Layer Thickness ..........4 ... -
Page 3: Evaluation Board Hardware
EVAL-ADM2582EEMIZ/EVAL-ADM2587EEMIZ User Guide UG-916 EVALUATION BOARD HARDWARE TEST SETUP JUMPER SETTINGS ADM2582E/ADM2587E evaluation board is shown The inputs to the ADM2582E/ADM2587E can be configured in Figure 2 with the default jumper settings on the LK1 through using the jumpers on the evaluation board (see Table 1). Do not LK9 jumper blocks. -
Page 4: Termination And Pull-Up/Pull-Down Resistors
UG-916 EVAL-ADM2582EEMIZ/EVAL-ADM2587EEMIZ User Guide TERMINATION AND PULL-UP/PULL-DOWN PCB LAYOUT RECCOMENDATIONS RESISTORS ADM2582E/ADM2587E evaluation board is designed to reduce emissions generated by the high frequency switching The evaluation board includes the RT and RT1 footprints for elements used by the isoPower technology to transfer power... -
Page 5: En55022 Radiated Emissions Test Results
EN55022 CLASS B EN55022 Certification documents for the EVAL-ADM2582EEMIZ EVAL-ADM2587EEMIZ evaluation boards are available to customers upon request from Analog Devices, Inc. Table 3 provides a summary of the capability of the EVAL- ADM2582EEMIZ EVAL-ADM2587EEMIZ evaluation boards. All EN55022 radiated emissions tests are performed with the PCB 1000 schematic and layout as described in Figure 10 to Figure 13. - Page 6 UG-916 EVAL-ADM2582EEMIZ/EVAL-ADM2587EEMIZ User Guide Table 6. ADM2582E 5.0 V V Test Results (Not Using a Table 4. ADM2587E 5.0 V V Test Results (Not Using a High Voltage Discrete Capacitor Between GND and GND High Voltage Discrete Capacitor Between GND...
- Page 7 EVAL-ADM2582EEMIZ/EVAL-ADM2587EEMIZ User Guide UG-916 Table 7. ADM2582E 3.3 V V Test Results (Using a High Table 8. ADM2582E 5.0 V V Test Results (Using a High Voltage Discrete Capacitor Between GND and GND Voltage Discrete Capacitor Between GND and GND...
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Page 8: Evaluation Board Schematics And Artwork
UG-916 EVAL-ADM2582EEMIZ/EVAL-ADM2587EEMIZ User Guide EVALUATION BOARD SCHEMATICS AND ARTWORK Figure 10. Schematic of the ADM2582E/ADM2587E Evaluation Board Rev. 0 | Page 8 of 12... - Page 9 EVAL-ADM2582EEMIZ/EVAL-ADM2587EEMIZ User Guide UG-916 Figure 11. Top Layer Figure 12. Silkscreen Figure 13. Bottom Layer Rev. 0 | Page 9 of 12...
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Page 10: Ordering Information
UG-916 EVAL-ADM2582EEMIZ/EVAL-ADM2587EEMIZ User Guide ORDERING INFORMATION BILL OF MATERIALS Table 9. EVAL-ADM2582EEMIZ Quantity Reference Designator Description Manufacturer Part Number RR7, R8, R9, R10 Resistors, size 0805 (not inserted) Panasonic ERA6AEB122V Resistor, 0 Ω, size 0402 (not inserted) Multicomp MCMR04X000 PTL Resistor, 120 Ω, size 0805 (not inserted) -
Page 11: Related Links
EVAL-ADM2582EEMIZ/EVAL-ADM2587EEMIZ User Guide UG-916 Table 10. EVAL-ADM2587EEMIZ Quantity Reference Designator Description Manufacturer Part Number RR7, R8, R9, R10 Resistors, size 0805 (not inserted) Panasonic ERA6AEB122V Resistor, 0 Ω, size 0402 (not inserted) Multicomp MCMR04X000 PTL Resistor, 120 Ω, size 0805 (not inserted) - Page 12 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.
- Page 13 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Analog Devices Inc. EVAL-ADM2587EEMIZ EVAL-ADM2582EEMIZ...
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