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Texas Instruments OPA521EVM User Manual Download Page 2

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2

SBOU208 – June 2018

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Copyright © 2018, Texas Instruments Incorporated

OPA521EVM User's Guide

Contents

1

Overview

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3

2

Schematic and Layout

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6

3

Getting Started

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7

4

Appendix

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8

List of Figures

1

OPA521 Device Functional Block Diagram

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3

2

OPA521EVM Partial Schematic

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6

3

OPA521EVM Schematic

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8

List of Tables

1

OPA521EVM Jumper Description

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5

2

LED Light Indicators

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5

3

OPA521 EVM Bill of Materials

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9

Trademarks

All trademarks are the property of their respective owners.

Summary of Contents for OPA521EVM

Page 1: ...stics operation and use of the OPA521 evaluation module EVM It discusses how to set up and configure the board hardware and describes various applications using the evaluation module Throughout this document the terms evaluation board evaluation module and EVM are synonymous with the OPA521EVM This document also includes an electrical schematic printed circuit board PCB layout drawing and a parts ...

Page 2: ... 3 2 Schematic and Layout 6 3 Getting Started 7 4 Appendix 8 List of Figures 1 OPA521 Device Functional Block Diagram 3 2 OPA521EVM Partial Schematic 6 3 OPA521EVM Schematic 8 List of Tables 1 OPA521EVM Jumper Description 5 2 LED Light Indicators 5 3 OPA521 EVM Bill of Materials 9 Trademarks All trademarks are the property of their respective owners ...

Page 3: ...rrent power amplifier Please use precautions when operating the OPA521 EVM The possibility for accidental electrical shock increases with increased potential difference and the user must take precautions to avoid contact with the PC board when live voltage is present If circuit probing is required and voltages are present it is a best practice to apply the one hand rule Use an insulated probe and ...

Page 4: ...was used on the EVM for a 3 3 V supply to fulfill this requirement 1 5 Input Output and Power Supply Protection Power line communications are frequently harsh operating environment for electrical components connected to the ac line Noise or surges from electrical anomalies such as lightning capacitor bank switching inductive switching or other grid fault conditions can damage high performance inte...

Page 5: ...ng an external signal generator EXT to toggle the pin JMP4 J12 Setting current limit to maximum by grounding ILIM pin or setting limit with resistor R10 JMP5 J11 Quiescent current select active high high configures the OPA521 to operate in FCC ARIB bands low configures the OPA521 to operate in CENELEC Bands A B C D JMP6 J7 Bypass L1 when jumper is shorted JMP7 J9 Used to probe the AC coupled outpu...

Page 6: ...2018 Texas Instruments Incorporated OPA521EVM User s Guide 2 Schematic and Layout 2 1 Schematics Figure 2 shows the main circuitry of the EVM amplifier The complete schematic for the EVM including the digital enable shutdown and LED circuits can be found in Figure 2 OPA521EVM Partial Schematic ...

Page 7: ...banana jacks AVDD and GND The power supply must provide the total anticipated current required in the application The OPA521 can supply a continuous dc current of 1 9 A but it is recommended that the supply should be capable of providing at least 2 the anticipated continuous current to account for peak current conditions Make sure any cables used to carry high current are rated for such service Ev...

Page 8: ...to limit the maximum output current that it can provide A resistance between the ground and the amplifier s ILIM pin is used to set the maximum output current limit This resistance can be utilized by JMP4 J12 to set the current limit by positioning the jumper to utilize R10 As an example if the designer wants to limit the output current to 1 A then R10 must be populated with a resistance of 11 584...

Page 9: ...d SMD LED_0603 8 FID1 FID2 FID3 3 N A N A Fiducial mark There is nothing to buy or mount N A 9 H1 H2 H3 H4 4 PMSSS 440 0025 PH B F Fastener Supply Machine Screw Round 4 40 x 1 4 Stainless Steel Philips panhead Screw 10 H5 H6 H7 H8 4 2203 Keystone Standoff Hex 0 5 L 4 40 Stainless Steel Standoff 11 J1 J2 2 575 4 Keystone Standard Banana Jack Uninsulated 5 5mm Keystone_575 4 12 J3 J5 J8 J14 4 TSW 10...

Page 10: ...0KFKEA Vishay Dale RES 100 k 1 0 1 W 0603 0603 22 R19 R20 2 0 CRCW06030000Z0EA Vishay Dale RES 0 5 0 1 W 0603 0603 23 TP1 TP2 TP3 TP4 TP5 TP6 TP7 TP8 TP9 TP10 TP11 TP12 TP13 TP14 TP15 TP16 TP17 TP18 18 5016 Keystone Test Point Compact SMT Testpoint_Keysto ne_Compact 24 U1 1 OPA521RGW Texas Instruments Power Line Communication s Line Driver RGW0020A VQFN 20 RGW0020A 25 U2 1 TPS7A1633DGNT Texas Inst...

Page 11: ...y set forth above or credit User s account for such EVM TI s liability under this warranty shall be limited to EVMs that are returned during the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasonable time to repair such EVM or provide replacements Repaired EVMs shall be warr...

Page 12: ...the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this list having a gain greater than the maximum gain indicated for that type are strictly prohibited for use with this device Concernant les EVMs avec antennes détachables Conformément à la réglementation d Industrie Canada le présent émetteur radio peut fo...

Page 13: ...ed loads Any loads applied outside of the specified output range may also result in unintended and or inaccurate operation and or possible permanent damage to the EVM and or interface electronics Please consult the EVM user guide prior to connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation even ...

Page 14: ...COST OF REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF USE LOSS OF DATA OR BUSINESS INTERRUPTION NO CLAIM SUIT OR ACTION SHALL BE BROUGHT AGAINST TI MORE THAN TWELVE 12 MONTHS AFTER THE EVENT THAT GAVE RISE TO THE CAUSE OF ACTION HAS OCCURRED 8 2 Specif...

Page 15: ... TI Resource NO OTHER LICENSE EXPRESS OR IMPLIED BY ESTOPPEL OR OTHERWISE TO ANY OTHER TI INTELLECTUAL PROPERTY RIGHT AND NO LICENSE TO ANY TECHNOLOGY OR INTELLECTUAL PROPERTY RIGHT OF TI OR ANY THIRD PARTY IS GRANTED HEREIN including but not limited to any patent right copyright mask work right or other intellectual property right relating to any combination machine or process in which TI product...

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