AD9230 datasheet(21/33 Pages) AD

21 / 33 page

AD9230

Rev. 0 | Page 20 of 32

1.01.11.21.31.41.51.6

1.7

1.8

VCM (V)

SNR (dB)

SFDR (dBc)

Figure 46. SNR/SFDR vs. Common-Mode Voltage;

250 MSPS, 70.3 MHz @ −1 dBFS

300

250

200

150

100

SAMPLE RATE (MSPS)

SNR (dB)

SFDR (dBc)

Figure 47. SNR/SFDR vs. Sample Rate;

250 MSPS, 170.3 MHz @ −1 dBFS

0.9

1.6

1.5

1.4

1.3

1.2

1.1

1.0

ANALOG INPUT RANGE (MHz)

SNR (dBFS)

SFDR (dBFS)

Figure 48. SNR/SFDR vs. Analog Input Range;

250 MSPS, 170.3 MHz @ −1 dBFS

102030

405060708090

100

INPUT CLOCK DUTY CYCLE (% CLK+ HIGH)

SNR (dBFS) w/ DCS ON

SFDR (dBFS) w/ DCS ON

SNR (dBFS) w/ DCS OFF

SFDR (dBFS) w/ DCS OFF

Figure 49. SNR/SFDR vs. Sample Clock Duty Cycle;

250 MSPS, 170.3 MHz @ −1 dBFS

2.5

2.0

1.5

1.0

0.5

–0.5

–60

120

100

–20

–40

TEMPERATURE (°C)

AD9230-210

AD9230-250

AD9230-170

Figure 50. Gain vs. Temperature

6.0

5.5

5.0

4.5

4.0

3.5

3.0

2.5

2.0

–40 –30 –20 –10

TEMPERATURE (°C)

AD9230-170

AD9230-210

AD9230-250

Figure 51. Offset vs. Temperature

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