ADS-238Q Datasheet, PDF (6/7 Pages) List of Unclassifed Manufacturers – 12-Bit, 20MHz, Low Power Sampling A/D Converters

ADS-238Q
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TYPICAL PERFORMANCE CHARATERISTICS
80
70
60
THD
SNR
50
SINAD
40
30
20
10 ⁰
10 ¹
10 ²
Input frequency (MHz)
Figure 9-1. THD, SNR, SINAD vrs Input Frequency
80
THD
70
SNR
60
SINAD
50
40
30
20
10 ⁰
10 ¹
10 ²
Sample Rate (MHz)
Note: Bias1 and Bias2 currents optimized for each sample rate
Figure 9-2. THD, SNR, SINAD vrs Sample Rate
70
68
THD
66
64
SNR
62
60
SINAD
58
56
0
25
70
Temperature (˚C)
Figure 9-3. THD, SNR, SINAD vrs Temperature
70
68
THD
66
64
SNR
62
60
SINAD
58
56
0
25
70
Temperature (˚C)
Figure 9-4. THD, SNR, SINAD vrs Clock Duty Cycle
80
70
THD
60
SNR
SINAD
50
40
30
20
45 46 47 48 49 50 51 52 53 54 55
Clock Duty Cycle
Figure 9-5. Power Dissipation vrs Sample Rate
6