Datasheet AD9241 (Analog Devices) - 8

AD9241 (AVDD = +5 V, DVDD = +5 V, DRVDD = +5 V, f Other Characterization Curves/Plots SAMPLE = 1.25 MSPS, TA = +25
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C, Single-Ended Input) 100% 3.0 1.0 12,901,627 2.5 0.8 2.0 0.6 1.5 0.4 1.0 0.5 0.2 0.0 0.0 HITS INL – LSB –0.5 –0.2 DNL – LSB –1.0 –0.4 –1.5 1,137,700 1,146,291 –2.0 –0.6 –2.5 –0.8 –3.0 –1.0 0 16383 N–1 N N+1 0 16383 CODE CODE CODE
Figure 11. Typical INL Figure 12. Typical DNL Figure 13. “Grounded-Input” (Input Span = 5 V) (Input Span = 5 V) Histogram (Input Span = 5 V)
90 –40 40 85 –50 50 80 –60 75 –0.5dBFS 60 70 –6.0dBFS –70 –20dBFS THD – dB –6dBFS 70 SINAD – dB CMR – dB 65 –20.0dBFS –80 60 –0.5dBFS 80 –90 55 50 –100 90 0.01 0.1 1.0 10.0 0.01 0.1 1.0 10.0 0.01 0.1 1.0 10.0 100 INPUT FREQUENCY – MHz INPUT FREQUENCY – MHz FREQUENCY – MHz
Figure 14. SINAD vs. Input Frequency Figure 15. THD vs. Input Frequency Figure 16. CMR vs. Input Frequency (Input Span = 2 V, VCM = 2.5 V) (Input Span = 2 V, VCM = 2.5 V) (Input Span = 2 V, VCM = 2.5 V)
90 –40 0.01 85 0.008 –50 80 0.006 –0.5dBFS 75 0.004 –60 70 0.002 –6dBFS 65 –70 –20dBFS 0 –20dBFS SINAD – dB 60 THD – dB –6dBFS ERROR – V –0.002 55 –80 REFV –0.004 –0.5dBFS 50 –0.006 –90 45 –0.008 40 –100 –0.01 0.01 0.1 1.0 10.0 0.01 0.1 1.0 10.0 –60 –40 –20 0 20 40 60 80 100 120 140 INPUT FREQUENCY – MHz INPUT FREQUENCY – MHz TEMPERATURE –
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C
Figure 17. SINAD vs. Input Frequency Figure 18. THD vs. Input Frequency Figure 19. Typical Voltage Reference (Input Span = 5 V, V (Input Span = 5 V, V CM = 2.5 V) CM = 2.5 V) Error vs. Temperature REV. 0 –7–