AD1878JD datasheet(15/16 Pages) AD

15 / 16 page

AD1878/AD1879

REV. 0

–15–

–140

24k

–80

–120

–100

–20

–60

–40

22k

20k

18k

16k

14k

12k

10k

FREQUENCY – Hz

Figure 23. AD1879 S/(THD+N)—10 kHz Tone at –10 dBFS

(4k-Point FFT)

1.0

–1.0

–0.4

–0.8

–100

–0.6

–120

0.2

–0.2

0.0

0.4

0.6

0.8

–20

–40

–60

–80

AMPLITUDE – dBFS

Figure 24. AD1879 Linearity Test—10 kHz Tone Fade to

Noise

–64

–68

–90

100

100k

10k

–70

–72

–66

–74

–78

–80

–82

–76

–84

–86

–88

FREQUENCY – Hz

Figure 25. AD1878/AD1879 Common-Mode Rejection

Ratio—0 kHz to 20 kHz

–100

–120

–140

100

10k

–130

–110

–115

–125

–135

–105

FREQUENCY – Hz

20k

Figure 26. AD1878/AD1879 Channel Separation—0 kHz to

20 kHz

1e–2

1e–5

1e–8

1e1

1e2

1e5

1e4

1e–7

1e–4

FREQUENCY – Hz

Figure 27. AD1878/AD1879 Modulator Noise Transfer

Function—0 MHz to 1 MHz

–70

–150

1e1

1e2

1e5

1e4

–50

–30

–10

–130

–110

–90

FREQUENCY – Hz

Figure 28. AD1878/AD1879 Digital Filter Signal Transfer

Function—0 MHz to 1 MHz

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