Texas Instruments ADS61B23EVM - Manuals

2.2.4 ADC Clock Input 2.2.5 ADC Digital Outputs www.ti.com Circuit Description Note that the THS4509 used on this EVM is pinout compatible with the THS4508 , THS4511 , THS4513 , and THS4520 . Users can easily interchange the amplifier on this EVM and pick the appropriate amplifier based on common-mo...

2.2.6 Jumper Selections Circuit Description www.ti.com Table 1. Breakout Board Pin Assignments ADS6122/23/B23/24/25 J4 PIN ADS6142/43/44/45 DESCRIPTION DESCRIPTION 1 GND GND 2 CLK CLK 3 GND GND 4 NC NC 5 GND GND 6 NC Data bit 0 (LSB) 7 GND GND 8 NC Data bit 1 9 GND GND 10 Data bit 0 (LSB) Data bit 2...

3 TI ADC SPI Control Interface 3.1 Installing the ADC SPI Control Software TI ADC SPI Control Interface www.ti.com This section describes the software features accompanying the EVM kit. The TI ADC SPI control softwareprovides full control of the SPI interface, allowing users to write to any of the A...

3.2 Setting Up the EVM for ADC SPI Control 3.3 Using the TI ADC SPI Interface Software 3.3.1 SPI Register Writes 3.3.2 SPI Register Write Using a Script File 3.3.2.1 ADS61xx Frequently Used Registers www.ti.com TI ADC SPI Control Interface Users who wish to use the ADC SPI interface must supply 5 VD...

TI ADC SPI Control Interface www.ti.com Table 4. ADS61xx Frequently Used Registers Default Value Alternate Value ADS61xx Reset 2s Complement Straight Binary CMOS DDR LVDS Powerdown: OFF Powerdown On No Course Gain 3.5-dB Course Gain INT Reference EXT Reference Bit-Wise (LVDS Only) Byte-Wise Test Mod...

4 Connecting to FPGA Platforms 4.1 TSW1100 4.2 TSW1200 www.ti.com Connecting to FPGA Platforms The ADS61xx/ADS61B23 EVM provides several connection options to mate the EVM to various FPGAdevelopment platforms and FPGA-based capture boards. Using the accompanying CMOS breakout board, users can easily...

5 ADC Evaluation 5.1 Hardware Selection 5.1.1 Analog Input Signal Generator 5.1.2 Clock Signal Generator ADC Evaluation www.ti.com This section describes how to set up a typical ADC evaluation system that is similar to what TI uses toperform testing for data-sheet generation. Consequently, the infor...

5.2 Coherent Input Frequency Selection www.ti.com ADC Evaluation Typical ADC analysis requires users to collect the resulting time-domain data and perform a Fouriertransform to analyze the data in the frequency domain. A stipulation of the Fourier transform is that thesignal must be continuous-time;...

6 Physical Description 6.1 PCB Layout Physical Description www.ti.com This section describes the physical characteristics and PCB layout of the EVM. The EVM is constructed on a four-layer, 0.062-inch thick PCB using FR-4 material. The individual layersare shown in Figure 2 through Figure 6 . The lay...

www.ti.com Physical Description Figure 3. Component Side SLAU206B – September 2007 – Revised April 2008 17 Submit Documentation Feedback

Physical Description www.ti.com Figure 4. Ground Plane 1 18 SLAU206B – September 2007 – Revised April 2008 Submit Documentation Feedback

www.ti.com Physical Description Figure 5. Power Plane 1 SLAU206B – September 2007 – Revised April 2008 19 Submit Documentation Feedback

Physical Description www.ti.com Figure 6. Bottom Side 20 SLAU206B – September 2007 – Revised April 2008 Submit Documentation Feedback

6.2 Bill of Materials www.ti.com Physical Description Table 5. Bill of Materials Qty Reference Not Part Foot Print Part Number Manufacturer Installed 5 C1, C5, C8, C52, 33 µ F TANT_B B45196H2336M209 Kemet C54 5 C2, C9, C30, C56, 10 µ F 805 ECJ-2FB0J106K Panasonic C57 3 C3, C6, C31 1 µ F 603 ECJ-1VB1...

6.3 EVM Schematics PD VREF1 SIGNAL_IN +5V_AMP -VSS_AMP +5V_AMP AGND AMP+ AMP- AMP+ AMP- VREF SH2 IN_M SH2 IN_P SH2 VREF SH2 Default:Short2-3 Default:Short1-2 Default:Short1-2 R26 0OHM R26 0OHM R44 100 R44 100 C76 18pF C76 18pF T1 TC4-1W T1 TC4-1W 3 2 1 6 5 4 C34 .1uF C34 .1uF 1 2 R43 69.8 R43 69.8 R...

GND D6 D9 D1 D3 D7 D5 CLK D13 D0 D2 D8 D10 D12 D11 D4 D7D6 D5D4 D3D2 D1D0 D13D12 D11D10 D9D8 CLK J1 CONN_QSH_30X2-D-A J1 CONN_QSH_30X2-D-A 2468 10121416182022242628303234363840 13579111315171921232527293133353739 G1 G2 G3 G4 G5 G6 G7 G8 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 ...

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...

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