June 2009 Rev 0.9 National Semiconductor Evaluation Board User’s Guide ADC10DV200, 10-Bit, 200 Msps A/D Converter ADC11DV200, 11-Bit, 200 Msps A/D Converter © 2009 National Semiconductor Corporation. 1 http://www.national.
Table of Contents 1.0 Introduction ......................................................................................................................................... 3 2.0 Board Assembly .................................................................................................................................. 3 3.0 Quick Start........................................................................................................................................... 4 4.0 Functional Description .
frequency domain plot, shows dynamic performance in the form of SNR, SINAD, THD and SFDR. The latest WaveVision hardware and software is available through the National Semiconductor website: http://www.national.com/store/view_item/index.html?nsid= WAVEVSN+BRD+5.1 1.0 Introduction This Evaluation Board may be used to evaluate the ADC10DV200, or ADC11DV200. The ADC is one of a family of 10 and 11 bit converters that provides data at rates of up to 200MHz.
Figure 2. Test Set up 3.0 Quick Start 4.0 Functional Description Refer to Figure 1 for locations of jumpers, test points and major components. Refer to Figure 2 for the test set up. The board is configured by default to use a external clock source and internal reference. Refer to Section 4.0 and the Appendix for more information on jumper settings. The input network of this board is configured for input frequencies greater than 70MHz. Refer to Section 4.1 for more information about input networks.
Input signals can also be amplified using an onboard LMH6517 DVGA (U601). To use the DVGA, some components must be installed and some removed. The following components must be installed: R651-R656. The following components must be removed: R302, R303, R309, and R310. Then connect signals from a 50-Ohm source to connectors J601 and J607. 4.2 ADC reference circuitry The ADC10DV200 can use an internal or external voltage reference. The internal reference is selectable between a 0.75V or 0.5V reference.
.0 Hardware Schematic 6 http://www.national.
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7.0 Evaluation Board Layout Layer 1 : Component Side Layer 2 : Ground 12 http://www.national.
Layer 3 : Ground Layer 4 : Power 13 http://www.national.
Layer 5 : Ground Layer 6 : Circuit Side 14 http://www.national.
8.0 Evaluation Board Bill of Materials Item Qty Reference Part Part Number Vendor .1uF PCC1762CT Digi-Key .1uF 490-1318-1 Digi-Key .
46 3 R401,R404,R405 10K 311-10KARCT Digi-Key 47 2 R402,R403 5.1K 311-5.
APPENDIX A1.0 Operating in the Computer Mode The ADC10DV200 Evaluation Board is compatible with the WaveVision5™ Data Capture Board and WaveVision5™ software. You can download the latest version from: http://www.national.com/analog/adc/wavevision5 When connected to the WaveVision5™ Board, data capture is easily controlled from a personal computer operating in the Windows environment. The data samples that are captured can be observed on the PC video monitor in the time and frequency domains.
A2.4 Clock Circuit Solder Jumper settings Components can be installed or removed to select the path of the clock to the ADC. While not as convenient as pin-type jumpers, these introduce less distortion into the clock signal.
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