Datasheet AD9240 (Analog Devices) - 8

AD9240 (AVDD = +5 V, DVDD = +5 V, DRVDD = +5 V, f Other Characterization Curves/Plots SAMPLE = 10 MSPS, RBIAS = 2 k
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, TA = +25
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C, Single-Ended Input) 3.0 1.0 2.5 13484335 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 DNL – LSB –0.2 –1.0 –0.4 –1.5 –0.6 1414263 1482053 –2.0 –2.5 –0.8 –3.0 –1.0 0 16863 0 16383 N–1 N N+1 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 0 85 –10 –50 80 –20 75 –0.5dBFS –60 70 –30 –20.0dBFS 65 –70 –40 –6.0dBFS 60 THD – dB SINAD – dB –50 –80 55 –20.0dBFS –6.0dBFS AMPLITUDE – dB –60 50 –90 –0.5dBFS 45 –70 40 –100 –80 0.1 1 10 20 0.1 1 10 20 1 10 100 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 0.006 80 –0.5dBFS 0.004 –60 –0.5dBFS 75 0.002 –20dBFS 70 –6.0dBFS –70 0 THD – dB ERROR – V SINAD – dB 65 –0.002 –80 REFV –20.0dBFS –0.004 60 –6.0dBFS –0.006 –90 55 –0.008 50 –100 –0.01 0.1 1 10 20 0.1 1 10 20 –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, VCM = 2.5 V) (Input Span = 5 V, VCM = 2.5 V) Error vs. Temperature REV. B –7–