Datasheet AD9243 (Analog Devices) - 8

AD9243 (AVDD = +5 V, DVDD = +5 V, DRVDD = +5 V, f Other Characterization Curves/Plots SAMPLE = 3.00 MSPS, TA = +25
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C, Single-Ended Input) 2.5 1.0 4,343,995 0.8 2.0 0.6 1.5 0.4 1.0 0.2 0.5 0.0 HITS INL – LSB –0.2 0.0 DNL – LSB –0.4 –0.5 439,383 –0.6 356,972 –1.0 –0.8 –1.5 –1.0 0 16383 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 14.7 –40 20 85 13.8 –50 30 80 13.0 40 –60 –20dBFS 75 12.2 –0.5dBFS 50 70 11.3 –70 –6.0dBFS 60 THD – dB CMR – dB SINAD – dB –6.0dBFS 65 10.5 ENOB – Bits –80 70 60 9.7 –0.5dBFS –90 55 80 –20.0dBFS 8.8 50 8.0 –100 90 100k 1M 10M 100k 1M 10M 0.1 1 10 100 INPUT FREQUENCY – Hz INPUT FREQUENCY – Hz 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 14.7 –40 0.01 0.008 85 13.8 –50 0.006 80 13.0 0.004 –0.5dBFS –60 75 12.2 –20dBFS 0.002 –6.0dBFS 70 11.3 –70 0 –0.5dBFS ERROR – V THD – dB –0.002 SINAD – dB 65 10.5 ENOB – Bits –80 REFV –6.0dBFS –0.004 60 –20.0dBFS 9.7 –0.006 –90 55 8.8 –0.008 50 8.0 –100 –0.01 100k 1M 10M 100k 1M 10M –60 –40 –20 0 20 40 60 80 100 120 140 INPUT FREQUENCY – Hz INPUT FREQUENCY – Hz 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 Error vs. Temperature CM = 2.5 V) (Input Span = 5 V, VCM = 2.5 V) REV. A –7–