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EVAL-ADM2582EEBZ/EVAL-ADM2587EEBZ User Guide

Rev. D | Page 8 of 13

EVALUATION BOARD SCHEMATICS AND ARTWORK

PO

W

ER

1

G

ND

1

2

V

CC

3

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1

4

Rx

D

5

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6

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9

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19

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18

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17

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14

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2582_87E

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3

L

BI

4

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ND

8

IN

7

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SET

5

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HDN

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6

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10µ

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3

C

2

B

1

A

R2

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93_P

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J2-

1

J2-

2

R3

240kΩ

R4

200kΩ

C7

100n

F

C5

10n

F

C6

100n

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+

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10 µ

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RT

* 120Ω

DO

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kΩ

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B

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ND2

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B

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INK

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DD

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ND1

G

ND1

V

DD

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ND1

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DD

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DD

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ND1

G

ND1

G

ND2

VI

SO

VI

SO

G

ND2

G

ND2

VI

SO

G

ND1

G

ND1

V

DD

V

DD

G

ND1

08420-008

Figure 8. Schematic of the

ADM2582E

/

ADM2587E

Evaluation Board

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Summary of Contents for EVAL-ADM2582EEBZ

Page 1: ...sheet GENERAL DESCRIPTION The ADM2582E ADM2587E evaluation board can easily evaluate the ADM2582E and ADM2587E power and signal 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 ...

Page 2: ...pping Stitching Capacitor Section and PCB Layout Recommendation Section 4 Deleted Table 3 5 Added Figure 3 EN55022 Radiated Emissions Test Results Section Table 2 and Table 3 Renumbered Sequentially 5 Added Figure 4 Table 4 Figure 5 Table 5 6 Added Figure 6 Table 6 Figure 7 Table 7 7 Deleted Assembly Drawings and Board Layout Section and Figure 4 to Figure 6 7 Changed Evaluation Board Schematics S...

Page 3: ...es the driver B Connects the driver enable input DE of the ADM2582E ADM2587E to the DE J3 terminal block connector C Connects the driver enable input DE of the ADM2582E ADM2587E to the GND1 pin This setting disables the driver LK6 A Connects the receiver enable input RE of the ADM2582E ADM2587E to theVCC pin This setting disables the receiver B Connects the receiver enable input RE of the ADM2582E...

Page 4: ...ol of Radiated Emissions with iCoupler Devices OVERLAPPING STITCHING CAPACITOR The evaluation board implements an embedded stitching capacitor structure An embedded PCB capacitor is created when two metal planes in a PCB overlap each other and are separated by dielectric material This embedded stitching capacitor is formed by extending the internal reference planes from the primary and secondary l...

Page 5: ...ides a summary of the capability of the EVAL ADM2582EEBZ and EVAL ADM2587EEBZ evaluation boards All EN55022 radiated emissions tests are performed with the PCB schematic and layout as described in Figure 8 to Figure 13 Table 3 EN55022 Test Results Summary Device Configuration EN55022 Class B Result ADM2582E 3 3 V VCC 16 Mbps 60 Ω load Pass with 4 7 dB µV m margin ADM2582E 5 0 V VCC 16 Mbps 60 Ω lo...

Page 6: ...l 353 0560 31 50 37 Horizontal 2 5 Pass 705 1640 27 1 37 Horizontal 1 2 Pass 80 70 60 20 0 30 100 1000 EN55022 CLASS A EN55022 CLASS B 08420 005 10 50 40 30 RADIATED EMISSIONS dB µV m FREQUENCY MHz Figure 5 Horizontal Scan from 30 MHz to 1000 MHz Corresponds to Worst Case for Table 5 Table 5 ADM2587E 5 0 V VCC Test Results Frequency MHz QP Level dBµV m EN55022Class B dB µV m AntennaPosition Antenn...

Page 7: ...50 40 30 RADIATED EMISSIONS dB µV m FREQUENCY MHz Figure 7 Horizontal Scan from 30 MHz to 1000 MHz Corresponds to Worst Case for Table 7 Table 7 ADM2582E 5 0 V VCC Test Results Frequency MHz QP Level dBµV m EN55022Class B dB µV m AntennaPosition AntennaHeight m Pass Fail 360 0480 15 50 37 Horizontal 1 Pass 392 1560 30 50 37 Horizontal 2 5 Pass 432 8720 22 20 37 Horizontal 2 Pass 473 0560 24 70 37 ...

Page 8: ... 100nF C17 100nF C1 100nF 1 2 L3 1 2 L2 C13 10 µF J3 1 J3 2 J3 3 J3 4 A B C LK6 A B C LK1 1 V 2 GND 3 SET 4 DIV 5 OUT LTC1 LTC6900 LK3 R6 80 6kΩ RXD RE DE C18 100nF DI_ DI J4 1 J4 2 J4 3 J4 4 J4 5 J4 6 LK5 LK7 R7 1 2k DO NOT FIT R8 1 2kΩ DO NOT FIT R9 1 2kΩ DO NOT FIT R10 1 2kΩ DO NOT FIT A B Y Z VDD GND1 GND2 A B C LK9 R11 0Ω SOLDER LINK D2 R1 560Ω D1 VDD GND1 GND1 VDD GND1 GND1 VDD GND1 VDD VDD ...

Page 9: ...r 08420 010 Figure 10 Silkscreen 08420 011 Figure 11 Second Layer Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Page 10: ... Layer 08420 013 Figure 13 Bottom Layer Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Page 11: ...g Devices ADP667ARZ 2 LK2 LK3 Ferrite beads 0402 Taiyo Yuden BKH1005LM182 T 1 DI SMA right hand jack TE Connectivity 5 1814400 1 1 D1 LED SMD Avago HSMS C191 1 D2 Schottky diode 1 A SMB ON Semiconductor MBRS130T3G 11 RXD RE DE DI A B Z Y VDD GND1 GND2 Test points yellow Vero 20 313140 Table 9 EVAL ADM2587EEBZ Qty Reference Designator Description Manufacturer Part Number 4 R7 R8 R9 R10 Resistors si...

Page 12: ...ription ADM2587E 500 kbps 2 5 kV rms signal and power isolated RS 485 RS 422 transceivers with 15 kV ESD protection ADM2582E 16 Mbps 2 5 kV rms signal and power Isolated RS 485 RS 422 transceivers with 15 kV ESD protection AN 1349 Application Note PCB Implementation Guidelines to Minimize Radiated Emissions on the ADM2582E ADM2587E RS 485 RS 422 Transceivers AN 960 Application Note RS 485 RS 422 C...

Page 13: ...n 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 Modificationsto theEvaluation Boar...

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