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Texas Instruments 46 - page 1
ADS5525/27/45/46/47 EVM User Guide User's Guide November 2006 SLWU028B ...
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Texas Instruments 46 - page 2
2 SLWU028B – January 2006 – Revised November 2006 Submit Documentation Feedback ...
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Texas Instruments 46 - page 3
Contents 1 Overview .................................................................................................................... 5 1.1 EVM Basic Functions ............................................................................................ 5 2 EVM Quick Start Guide .................................................................... ...
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Texas Instruments 46 - page 4
List of Figures 1 ADS5547 SNR Performance vs Decoupling ............................................................................. 8 2 THS4509 + ADS5545 EVM Performance ................................................................................ 9 3 Eye Diagram of Data on Header J4. ........................................................... ...
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Texas Instruments 46 - page 5
1 Overview 1.1 EVM Basic Functions User's Guide SLWU028B – January 2006 – Revised November 2006 This manual assists users in using the ADS5525/27/45/46/47 evaluation module (EVM) for evaluating the performance of the ADS5525/27/45/46/47 (ADCs). The EVM provides a powerful and robust capability in evaluation of the many features of the ADCs ...
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Texas Instruments 46 - page 6
www.ti.com 2 EVM Quick Start Guide 2.1 EVM LVDS Output Mode Quick Start (Default) 2.2 EVM CMOS Output Mode Quick Start EVM Quick Start Guide The ADC has two basic modes of output operation, ensuring compatibility in a broad range of systems. Follow the steps below to get the EVM operating quickly with the ADC in either DDR LVDS output mode or CMOS ...
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Texas Instruments 46 - page 7
www.ti.com 3 Circuit Description 3.1 Schematic Diagram 3.2 Circuit Function 3.2.1 Configuration Options 3.2.2 Power Circuit Description The schematic diagram for the EVM is in Section 5.3 of this document. The following paragraphs describe the function of individual circuits. See the data sheet for complete device operating characteristics. The EVM ...
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Texas Instruments 46 - page 8
www.ti.com f IN − Input Frequency − MHz SNR − Signal-to-Noise Ratio − dBFS G001 9.97 19.94 30.13 40.33 50.13 60.13 69.59 79.87 89.75 100.33 130.13 170.13 68 69 70 71 72 73 74 1 Decoupling Cap Baseline-All Decoupling Caps 3.2.3 Analog Inputs Circuit Description Table 2. EVM Power Options BANANA JACK NAME VOLTAGE DESCRIPTION J9 Device AGND GN ...
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Texas Instruments 46 - page 9
www.ti.com 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 f − Frequency − MHz Amplitude − dBFS G002 1 −135 −120 10 −130 −1 10 −100 −90 −80 −70 −60 −50 −40 −30 −20 −10 0 2 3 4 5 x 3.2.4 Clock Input 3.2.5 Digital Outputs Circuit Description The schematics present various interface options between the amplifier a ...
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Texas Instruments 46 - page 10
www.ti.com Circuit Description Table 3. Output Connector J4 J4 PIN ADS5525/27 DESCRIPTION ADS5545/46/47 DESCRIPTION 1 CLK CLK 2 GND GND 3 NC NC 4 GND GND 5 Reserved Reserved 6 GND GND 7 Reserved Reserved 8 GND GND 9 NC Data bit 0 (LSB) 10 GND GND 11 NC Data bit 1 12 GND GND 13 Data bit 0 (LSB) Data bit 2 14 GND GND 15 Data bit 1 Data bit 3 16 GND G ...
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Texas Instruments 46 - page 11
www.ti.com C001 3.2.6 Test Points Circuit Description Figure 3. Eye Diagram of Data on Header J4. For added EVM visibility and control, several test points are provided. Table 4 summarizes the test points available. SLWU028B – January 2006 – Revised November 2006 11 Submit Documentation Feedback ...
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Texas Instruments 46 - page 12
www.ti.com 3.2.7 LED Operation Circuit Description Table 4. Test Points TP DESCRIPTION TP1 ADC common mode, input or output depending on the setting of SW1, switch 4 TP3 THS4509 power down TP4 ADC output enable TP5 AGND TP6 AGND TP7 AGND TP8 DGND TP9 FPGA M0 pin; determines which FPGA logic file to load TP10 ADC SCLK TP11 TPS75003 1.2 enable TP12 T ...
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Texas Instruments 46 - page 13
www.ti.com 4 Expansion Options 4.1 Custom FPGA Code 4.2 Expansion Slot 4.3 Optional USB SPI Interface Expansion Options The EVM offers several exciting possibilities to expand the capabilities of the EVM. This allows the utmost flexibility when prototyping an ADC circuit under conditions that mimic the end system, without the need to develop a cust ...
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Texas Instruments 46 - page 14
www.ti.com 5 Physical Description 5.1 PCB Layout K001 Physical Description This chapter describes the physical characteristics and PCB layout of the EVM. The EVM is constructed on a 6-layer, 0.062-inch thick PCB using FR-4 material. The individual layers are shown in Figure 4 through Figure 9 . The layout features split analog and digital ground pl ...
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Texas Instruments 46 - page 15
www.ti.com K002 Physical Description Figure 5. Layer 2, Ground Plane SLWU028B – January 2006 – Revised November 2006 15 Submit Documentation Feedback ...
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Texas Instruments 46 - page 16
www.ti.com K003 Physical Description Figure 6. Layer 3, Power Plane #1 16 SLWU028B – January 2006 – Revised November 2006 Submit Documentation Feedback ...
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Texas Instruments 46 - page 17
www.ti.com K004 Physical Description Figure 7. Layer 4, Power Plane #2 SLWU028B – January 2006 – Revised November 2006 17 Submit Documentation Feedback ...
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Texas Instruments 46 - page 18
www.ti.com K005 Physical Description Figure 8. Layer 5, Ground Plane 18 SLWU028B – January 2006 – Revised November 2006 Submit Documentation Feedback ...
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Texas Instruments 46 - page 19
www.ti.com K006 Physical Description Figure 9. Layer 6, Bottom Layer SLWU028B – January 2006 – Revised November 2006 19 Submit Documentation Feedback ...
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Texas Instruments 46 - page 20
www.ti.com 5.2 Bill of Materials Physical Description 20 SLWU028B – January 2006 – Revised November 2006 Submit Documentation Feedback ...
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Texas Instruments 46 - page 21
www.ti.com Physical Description Table 5. Bill of Materials NOT VALUE FOOTPRINT QTY PART NUMBER VENDOR DIGI-KEY NUMBER REF DESIGNATOR INSTALLED CAPACITORS 47- µ F, tantalum, 20%, 10-V 7343 4 ECS-T1AD476R Panasonic PCS2476CT-ND C65, C66, C68, C69 10- µ F, 10-V, 20% 3528 5 ECS-T1AX106R Panasonic PCS2106CT-ND C70, C71, C72, C73, C74 10- µ F, 10-V, 2 ...
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Texas Instruments 46 - page 22
www.ti.com Physical Description Table 5. Bill of Materials (continued) NOT VALUE FOOTPRINT QTY PART NUMBER VENDOR DIGI-KEY NUMBER REF DESIGNATOR INSTALLED RESISTORS 0- Ω , 1/10-W, 5% 603 7 ERJ-3GEY0R00V Panasonic P0.0GCT-ND R5, R6, R10, R18, R54, R56 R48, R58, R82 0- Ω , 1/10-W, 5% 402 3 ERJ-GE0R00X Panasonic P0.0JCT-ND R11, C45, C47 4.02- Ω ...
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Texas Instruments 46 - page 23
www.ti.com Physical Description Table 5. Bill of Materials (continued) NOT VALUE FOOTPRINT QTY PART NUMBER VENDOR DIGI-KEY NUMBER REF DESIGNATOR INSTALLED FERRITE BEADS, CONNECTORS, JUMPERS, JACKS, ICs, ETC. Ferrite bead 1206 5 EXC-ML32A680U Panasonic P10437CT-ND FB2, FB3, FB4, FB6, FB8, FB9, FB7 FB10 Inductor, SMT, 15- µ H, 2.6-A COIL-CDRH8D43 1 ...
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Texas Instruments 46 - page 24
www.ti.com Physical Description Table 5. Bill of Materials (continued) NOT VALUE FOOTPRINT QTY PART NUMBER VENDOR DIGI-KEY NUMBER REF DESIGNATOR INSTALLED ADS5525/27, ADS5545/46/47 48-QFN_MOD 1 ADS5525/27, TI U1 ADS5545/46/47 Spartan-3E XC3S250E 256-BGA- XC3S250E-4FT256CES Xilinx U2 1mm_XILINX IC amp, fully-diff, wideband 16-QFN(RGT) 1 THS4509RGTT ...
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Texas Instruments 46 - page 25
www.ti.com 5.3 PCB Schematics Physical Description The schematics for the EVM are on the following pages. SLWU028B – January 2006 – Revised November 2006 25 Submit Documentation Feedback ...
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Texas Instruments 46 - page 26
A B C D D C B A ti 12500 TI Boulevard. Dallas, Texas 75243 Title: SHEET: OF: FILE: SIZE: DATE: REV: 11-Jul-2006 Drawn By: Engineer: C4 .1uF C5 .1uF CLKM CLKP CLKP CLKM ADS5545 B 17 J. VENABLE Y. DEWONCK C10 .1uF + C9 10uF + C8 10uF AVDD DRVDD C6 .1uF C7 .1uF INP INM INP INM IREF CM CM S1 SW-PB C1 .1uF R1 56.2K DRVDD C3 .1uF Note 1. Part not install ...
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Texas Instruments 46 - page 27
1234 56 A B C D 6 5 4 3 2 1 D C B A FILE: Drawn By: Engineer: ti 12500 TI Boulevard. Dallas, Texas 75243 Title: SHEET: OF: SIZE: DATE: REV: 17-Jul-2006 DOCUMENTCONTROL # 1 2 3 4 5 J3 AIN R34 49.9 R38 4.02 R37 4.02 INP INM INP INM ADS5545 B 27 J. VENABLE Y. DEWONCK (Sh 1) (Sh 1) R35 49.9 R36 49.9 C55 .1uF 3 1 4 6 2 T2 TC4-1W Note 1. Part not install ...
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Texas Instruments 46 - page 28
1234 56 A B C D 6 5 4 3 2 1 D C B A FILE: Drawn By: Engineer: ti 12500 TI Boulevard. Dallas, Texas 75243 Title: SHEET: OF: SIZE: DATE: REV: 11-Jul-2006 DOCUMENTCONTROL # ADS5545 B 37 J. VENABLE Y. DEWONCK Note 1. Part not installed 1 2 3 4 5 J7 CLK_INP 1 2 3 4 5 J8 CLK_INM R59 49.9 R58 0 R31 100 C25 .1uF C26 .1uF CLKP CLKM CLKP CLKM (Sh 1) (Sh 1) 1 ...
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Texas Instruments 46 - page 29
1234 56 A B C D 6 5 4 3 2 1 D C B A FILE: Drawn By: Engineer: ti 12500 TI Boulevard. Dallas, Texas 75243 Title: SHEET: OF: SIZE: DATE: REV: 11-Jul-2006 DOCUMENTCONTROL # ADS5545 B 47 J. VENABLE Y. DEWONCK Note 1. Part not installed 3.3V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 J4 ...
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Texas Instruments 46 - page 30
1234 56 A B C D 6 5 4 3 2 1 D C B A FILE: Drawn By: Engineer: ti 12500 TI Boulevard. Dallas, Texas 75243 Title: SHEET: OF: SIZE: DATE: REV: 11-Jul-2006 DOCUMENTCONTROL # ADS5545 B 57 J. VENABLE Y. DEWONCK Note 1. Part not installed 2.5V 1.2V 1 2 3 4 5 6 JP1 6X1X.1 R45 330 R46 4.75K 3.3V DONE DONE T15 PROG_B D3 TCK A15 TDI A2 TDO C14 TMS B15 VCCAUX ...
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Texas Instruments 46 - page 31
1234 56 A B C D 6 5 4 3 2 1 D C B A ti 12500 TI Boulevard. Dallas, Texas 75243 Title: SHEET: OF: FILE: SIZE: DATE: REV: 11-Jul-2006 Drawn By: Engineer: ADS5545 B 67 J. VENABLE Y. DEWONCK Note 1. Part not installed OUT3 1 FB3 2 EN3 3 EN2 4 SS2 5 DGND 6 SW2 7 IN2 8 IS2 9 FB2 10 FB1 11 IS1 12 IN1 13 SW1 14 DGND 15 SS1 16 EN1 17 AGND 18 SS3 19 IN3 20 U ...
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Texas Instruments 46 - page 32
1234 56 A B C D 6 5 4 3 2 1 D C B A FILE: Drawn By: Engineer: ti 12500 TI Boulevard. Dallas, Texas 75243 Title: SHEET: OF: SIZE: DATE: REV: 11-Jul-2006 DOCUMENTCONTROL # C33 .1uF AVDD ADC Analog Supply (+3.3V) C36 .1uF +3.3VA-PS ADS5545 B 5V 77 J11 RED J9 BLACK FB2 J14 RED J17 BLACK + C70 10uF + C65 47uF C32 .1uF FB6 TP5 TP6 TP8 + C72 10uF J. VENAB ...
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Texas Instruments 46 - page 33
www.ti.com Physical Description EVALUATION BOARD/KIT IMPORTANT NOTICE Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general c ...
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Texas Instruments 46 - page 34
www.ti.com Physical Description FCC Warning This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use. It generates, uses, and can radiate radio frequency energy and has not been tested for compliance wit ...
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Texas Instruments 46 - page 35
IMPORTANT NOTICE Texas Instruments Incorporated an d its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improveme nts, and other changes to its products a nd services at any time and to discontinue any product or s ervice without notice. Cu stomers should obtain the latest relev ant information before placing ...
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