AD9040ASLASHPWB datasheet(11/12 Pages) AD

11 / 12 page

AD9040A

REV. B

–11–

1.2

0.8

0.6

0.4

1.0

CLOCK RATE – MSPS

Figure 11. Power Dissipation vs.

Clock Rate

0.5

1.0

030

CLOCK RATE – MSPS

Figure 14. Differential Nonlinearity

vs. Clock Rate

125

–55

85 105

–15

–35

TEMPERATURE – C

ENCODE = 32.2 MSPS

AIN = 10.3 MHz

ENCODE = 40.5 MSPS

Figure 17. SNR vs. Temperature

2.5

5.0

FREQUENCY – MHz

–65

ENCODE = 40.5 MSPS

f1 IN = 2.25 MHz @ –7 dBFS

f2 IN = 2.35 MHz @ –7 dBFS

2f1 – f2 = –69.4 dBFS

2f2 – f1 = –69.2 dBFS

Figure 20.

CLOCK RATE – MSPS

= 10.3 MHz

Figure 13. SNR vs. Clock Rate

992

960

928

1015

2530

4550

TIME – ns

1024

Figure 16. Transient Response

(Expanded View)

8.0

–65

8.0

FREQUENCY – MHz

16.1

ENCODE = 32.2 MSPS

ANALOG IN = 10.3 MHZ

SNR = 55.37 dB

SNR (w/o har.) = 56.77 dB

2nd HARMONIC = –63.3 dB

3rd HARMONIC = –75.4 dB

Figure 19.

–65

10.1

20.2

FREQUENCY – MHz

ENCODE = 40.5 MSPS

ANALOG IN = 10.3 MHz

SNR = 53.38 dB

SNR (w/o har.) = 54.31 dB

2nd HARMONIC = –64.7 dB

3rd HARMONIC = –73.7 dB

Figure 22.

FREQUENCY – MHz

–63

–73

–48

–68

–53

–58

100

40 60

ENCODE = 40.5 MSPS

HARMONIC

DISTORTION

SNR

Figure 12. Harmonic Distortion

and SNR vs. Analog Input

1024

896

768

640

512

384

256

128

2025

303540

TIME – ns

Figure 15. Transient Response

8.0

16.1

FREQUENCY – MHz

–65

ENCODE = 32.2 MSPS

ANALOG IN = 2.3 MHz

SNR = 56.79 dB

SNR (w/o har.) = 57.58 dB

2nd HARMONIC = –68.5 dB

3rd HARMONIC = 80.7 dB

Figure 18.

10.1

20.2

FREQUENCY – MHz

–65

ENCODE = 40.5 MSPS

ANALOG IN = 2.3 MHz

SNR = 55.20 dB

SNR (w/o har.) = 55.90 dB

2nd HARMONIC = –75.1 dB

3rd HARMONIC = –73.2 dB

Figure 21.

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