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5.6 Using the INL/DNL Tool
The INL/DNL tool measures the linearity of the of the ADS9817EVM by applying a full-scale, low-distortion
sinusoidal input signal. The accuracy improves if the number of hits per code is increased at the cost of extra
test time. Select the channel to measure and the hits per code, then press the GET INL/DNL button (as shown in
Figure
5-9) to run this tool.
1. Select "INL/DNL"
3. Select channel to
analyze, and press "GET
INL/DNL"
SBAU416 – NOVEMBER 2022
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2. Select the hits-percode for
linearity analysis. More hits
produces more accurate results
at the cost of test time.
128 = 120 seconds
Figure 5-9. Using the INL/DNL Tool
Copyright © 2022 Texas Instruments Incorporated
EVM Operation
ADS9817EVM-PDK Evaluation Module
15
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