Texas-instruments 46 Manual do Utilizador Página 1

ADS5525/27/45/46/47 EVM UserGuideUser's GuideNovember 2006SLWU028B

www.ti.comCircuit DescriptionTable 3. Output Connector J4J4 PIN ADS5525/27 DESCRIPTION ADS5545/46/47 DESCRIPTION1 CLK CLK2 GND GND3 NC NC4 GND GND5 Re

www.ti.comC0013.2.6 Test PointsCircuit DescriptionFigure 3. Eye Diagram of Data on Header J4.For added EVM visibility and control, several test points

www.ti.com3.2.7 LED OperationCircuit DescriptionTable 4. Test PointsTP DESCRIPTIONTP1 ADC common mode, input or outputdepending on the setting of SW1,

www.ti.com4 Expansion Options4.1 Custom FPGA Code4.2 Expansion Slot4.3 Optional USB SPI InterfaceExpansion OptionsThe EVM offers several exciting poss

www.ti.com5 Physical Description5.1 PCB LayoutK001Physical DescriptionThis chapter describes the physical characteristics and PCB layout of the EVM.Th

www.ti.comK002Physical DescriptionFigure 5. Layer 2, Ground PlaneSLWU028B – January 2006 – Revised November 2006 15Submit Documentation Feedback

www.ti.comK003Physical DescriptionFigure 6. Layer 3, Power Plane #116 SLWU028B – January 2006 – Revised November 2006Submit Documentation Feedback

www.ti.comK004Physical DescriptionFigure 7. Layer 4, Power Plane #2SLWU028B – January 2006 – Revised November 2006 17Submit Documentation Feedback

www.ti.comK005Physical DescriptionFigure 8. Layer 5, Ground Plane18 SLWU028B – January 2006 – Revised November 2006Submit Documentation Feedback

www.ti.comK006Physical DescriptionFigure 9. Layer 6, Bottom LayerSLWU028B – January 2006 – Revised November 2006 19Submit Documentation Feedback

2 SLWU028B – January 2006 – Revised November 2006Submit Documentation Feedback

www.ti.com5.2 Bill of MaterialsPhysical Description20 SLWU028B – January 2006 – Revised November 2006Submit Documentation Feedback

www.ti.comPhysical DescriptionTable 5. Bill of MaterialsNOTVALUE FOOTPRINT QTY PART NUMBER VENDOR DIGI-KEY NUMBER REF DESIGNATORINSTALLEDCAPACITORS47-

www.ti.comPhysical DescriptionTable 5. Bill of Materials (continued)NOTVALUE FOOTPRINT QTY PART NUMBER VENDOR DIGI-KEY NUMBER REF DESIGNATORINSTALLEDR

www.ti.comPhysical DescriptionTable 5. Bill of Materials (continued)NOTVALUE FOOTPRINT QTY PART NUMBER VENDOR DIGI-KEY NUMBER REF DESIGNATORINSTALLEDF

www.ti.comPhysical DescriptionTable 5. Bill of Materials (continued)NOTVALUE FOOTPRINT QTY PART NUMBER VENDOR DIGI-KEY NUMBER REF DESIGNATORINSTALLEDA

www.ti.com5.3 PCB SchematicsPhysical DescriptionThe schematics for the EVM are on the following pages.SLWU028B – January 2006 – Revised November 2006

ABCDDCBAti12500 TI Boulevard. Dallas, Texas 75243Title:SHEET: OF:FILE:SIZE:DATE: REV:11-Jul-2006Drawn By:Engineer:C4.1uFC5.1uFCLKMCLKPCLKPCLKMADS5545

1 2 3 4 56ABCD654321DCBAFILE:Drawn By:Engineer:ti12500 TI Boulevard. Dallas, Texas 75243Title:SHEET: OF:SIZE:DATE:REV:17-Jul-2006DOCUMENTCONTROL #12

1 2 3 4 56ABCD654321DCBAFILE:Drawn By:Engineer:ti12500 TI Boulevard. Dallas, Texas 75243Title:SHEET: OF:SIZE:DATE:REV:11-Jul-2006DOCUMENTCONTROL #ADS

1 2 3 4 56ABCD654321DCBAFILE:Drawn By:Engineer:ti12500 TI Boulevard. Dallas, Texas 75243Title:SHEET: OF:SIZE:DATE:REV:11-Jul-2006DOCUMENTCONTROL #ADS

Contents1 Overview ... 51.1 EVM Basic

1 2 3 4 56ABCD654321DCBAFILE:Drawn By:Engineer:ti12500 TI Boulevard. Dallas, Texas 75243Title:SHEET: OF:SIZE:DATE:REV:11-Jul-2006DOCUMENTCONTROL #ADS

1 2 3 4 56ABCD654321DCBAti12500 TI Boulevard. Dallas, Texas 75243Title:SHEET: OF:FILE:SIZE:DATE: REV:11-Jul-2006Drawn By:Engineer:ADS5545B67J. VENABL

1 2 3 4 56ABCD654321DCBAFILE:Drawn By:Engineer:ti12500 TI Boulevard. Dallas, Texas 75243Title:SHEET: OF:SIZE:DATE:REV:11-Jul-2006DOCUMENTCONTROL #C33

www.ti.comPhysical DescriptionEVALUATION BOARD/KIT IMPORTANT NOTICETexas Instruments (TI) provides the enclosed product(s) under the following conditi

www.ti.comPhysical DescriptionFCC WarningThis evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT,DEMONSTRATION, OR EVALUATION PURPOS

IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improve

List of Figures1 ADS5547 SNR Performance vs Decoupling ... 82 THS4509 + ADS5

1 Overview1.1 EVM Basic FunctionsUser's GuideSLWU028B – January 2006 – Revised November 2006This manual assists users in using the ADS5525/27/45/

www.ti.com2 EVM Quick Start Guide2.1 EVM LVDS Output Mode Quick Start (Default)2.2 EVM CMOS Output Mode Quick StartEVM Quick Start GuideThe ADC has tw

www.ti.com3 Circuit Description3.1 Schematic Diagram3.2 Circuit Function3.2.1 Configuration Options3.2.2 PowerCircuit DescriptionThe schematic diagram

www.ti.comfIN − Input Frequency − MHzSNR − Signal-to-Noise Ratio − dBFSG0019.97 19.94 30.13 40.33 50.13 60.13 69.59 79.87 89.75 100.33 130.13 170.1368

www.ti.com0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85f − Frequency − MHzAmplitude − dBFSG0021−135−12010−130−110−100−90−80−70−60−50−40−30−20−10