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<strong>STM32W108C8</strong><br />
Electrical characteristics<br />
Table 142.<br />
ADC module key parameters for input buffer disabled<br />
and 6 MHz sampling (1) (continued)<br />
Parameter<br />
Performance<br />
SDFR (dB)<br />
Single-Ended<br />
Differential<br />
60<br />
60<br />
68<br />
69<br />
75<br />
77<br />
75<br />
80<br />
75<br />
80<br />
75<br />
80<br />
75<br />
80<br />
75<br />
80<br />
THD (dB)<br />
Single-Ended<br />
Differential<br />
-45<br />
-45<br />
-54<br />
-54<br />
-63<br />
-63<br />
-68<br />
-71<br />
-70<br />
-76<br />
-70<br />
-77<br />
-70<br />
-78<br />
-70<br />
-78<br />
ENOB (from SNR)<br />
Single-Ended<br />
Differential<br />
5.6<br />
5.6<br />
7.1<br />
7.1<br />
8.6<br />
8.6<br />
10.0<br />
10.1<br />
11.4<br />
11.5<br />
12.1<br />
12.5<br />
12.4<br />
12.9<br />
12.5<br />
13.0<br />
ENOB (from SINAD)<br />
Single-Ended<br />
Differential<br />
5.5<br />
5.6<br />
7.0<br />
7.1<br />
8.5<br />
8.6<br />
9.9<br />
10.1<br />
11.0<br />
11.4<br />
11.4<br />
12.4<br />
11.5<br />
12.8<br />
11.5<br />
13.0<br />
Equivalent ADC Bits<br />
5<br />
[15:11]<br />
6<br />
[15:10]<br />
7<br />
[15:9]<br />
8<br />
[15:8]<br />
9<br />
[15:7]<br />
10<br />
[15:6]<br />
11<br />
[15:5]<br />
12<br />
[15:4]<br />
1. INL and DNL are referenced to a LSB of the Equivalent ADC Bits shown in the last row of Table 142.<br />
ENOB (effective number of bits) can be calculated from either SNR (signal to non-harmonic noise ratio) or<br />
SINAD (signal-to-noise and distortion ratio).<br />
Doc ID 018587 Rev 2 196/215
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