National Semiconductor ADS54J69, User Manual

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Quick Start Guide
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8 SLAU662B – January 2016 – Revised May 2016
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ADS54J69EVM
4. Verify the ADC tab at the top of the GUI is selected.
5. Use the Select ADC drop-down menu at the top left corner to select ADS54J69_2x_4222 .
6. When prompted to update the firmware for the ADC, click Yes and wait for the firmware to download to
the TSW14J56. This takes about 3 seconds.
7. Enter “491.52M” into the ADC Output Data Rate field at the bottom left corner then click outside this
box or press return on the PC keyboard.
8. The GUI displays the new lane rate of the SerDes interface based off of the sample rate and other
parameters from the loaded configuration files. Click OK .
9. Click the Instrument Options menu at the top of HSDC Pro and select Reset Board .
10. Click Capture in HSDC Pro to capture data from the ADC.
11. The results from the captured data of Channel 1 should look like Figure 5 and the performance should
be similar to Table 1 . If this result is not achieved, then see the Quick Start Troubleshooting section of
this document.
Figure 5. Channel 1 Data Capture Results Using Decimate-by-2 Low Pass Filter Mode
Table 1. Quick Start Performance Measurements
Result Measured Value Units
SNR 72.76 dBFs
SFDR 95.62 dBFs