AD9975ABSTEB datasheet(7/20 Pages) AD

7 / 20 page

REV. 0

Typical Performance Characteristics–AD9975

–7–

FSAMPLE

0.2

0.4

0.6

0.8

1.0

–20

–60

–80

–100

–10

–40

–70

–90

0.1

0.3

0.5

0.7

0.9

–50

–30

INTERPOLATION FILTER

INCLUDING

SIN(X)/X

TPC 1. 2

× Low-Pass Interpolation Filter

FS – MHz

0.2

0.4

0.6

0.8

1.0

–20

–60

–80

–100

–10

–40

–70

–90

0.1

0.3

0.5

0.7

0.9

–50

–30

INTERPOLATION FILTER

INCLUDING

SIN(X)/X

TPC 2. 2

× Band-Pass Interpolation Filter, FS/2

Modulation, Adjacent Image Preserved

FREQUENCY – MHz

010

–20

–60

–80

–100

–10

–40

–70

–90

515

–50

–30

TPC 3. Single Tone Spectral Plot @ fDATA = 50 MSPS,

fOUT = 5 MHz, 2

× LPF

FREQUENCY – MHz

010

–20

–60

–80

–100

–10

–40

–70

–90

515

–50

–30

TPC 4. Single Tone Spectral Plot @ fDATA = 50 MSPS,

fOUT = 11 MHz, 2

× LPF

FREQUENCY – MHz

10.0

10.4

10.8

11.2

11.6

12.0

–20

–60

–80

–100

–10

–40

–70

–90

1.02

10.6

11.0

11.4

11.8

–50

–30

TPC 5. Dual Tone Spectral Plot @ fDATA = 50 MSPS,

fOUT = 6.7 MHz and 7.3 MHz, 2

× LPF

FREQUENCY – MHz

–70

–74

–76

–72

123

56789

11 12 13 14 15 16 17 18 19 20

–78

–80

–82

–84

–86

–88

–90

THIRD ORDER

HARMONIC

SECOND ORDER

HARMONIC

TPC 6. Harmonic Distortion vs. fOUT @fDATA = 50 MSPS

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