AD9640 datasheet(22/54 Pages) AD

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AD9640

Rev. B | Page 20 of 52

TYPICAL PERFORMANCE CHARACTERISTICS

AVDD = 1.8 V; DVDD = 1.8 V; DRVDD = 3.3 V; sample rate = 150 MSPS, DCS enabled, 1 V internal reference;

2 V p-p differential input; VIN = −1.0 dBFS; and 64k sample; TA = 25°C, unless otherwise noted.

–120

FREQUENCY (MHz)

–20

–40

–60

–80

–100

150MSPS

2.3MHz @ –1dBFS

SNR = 71.9dBc (72.9dBFS)

ENOB = 11.8 BITS

SFDR = 86dBc

SECOND HARMONIC

THIRD HARMONIC

Figure 16. AD9640-150 Single-Tone FFT with fIN = 2.3 MHz

–120

FREQUENCY (MHz)

–20

–40

–60

–80

–100

150MSPS

30.3MHz @ –1dBFS

SNR = 71.7dBc (72.7dBFS)

ENOB = 11.8 BITS

SFDR = 89.9dBc

SECOND HARMONIC

THIRD HARMONIC

Figure 17. AD9640-150 Single-Tone FFT with fIN = 30.3 MHz

–120

FREQUENCY (MHz)

–20

–40

–60

–80

–100

150MSPS

70MHz @ –1dBFS

SNR = 71.5dBc (72.5dBFS)

ENOB = 11.7 BITS

SFDR = 84dBc

SECOND HARMONIC

THIRD HARMONIC

Figure 18. AD9640-150 Single-Tone FFT with fIN = 70 MHz

–120

FREQUENCY (MHz)

–20

–40

–60

–80

–100

150MSPS

140.3MHz @ –1dBFS

SNR = 70.9dBc (71.9dBFS)

ENOB = 11.6 BITS

SFDR = 85.1dBc

SECOND HARMONIC

THIRD HARMONIC

Figure 19. AD9640-150 Single-Tone FFT with fIN = 140.3 MHz

–120

FREQUENCY (MHz)

–20

–40

–60

–80

–100

150MSPS

200.3MHz @ –1dBFS

SNR = 70dBc (71dBFS)

ENOB = 11.5 BITS

SFDR = 80dBc

SECOND HARMONIC

THIRD HARMONIC

Figure 20. AD9640-150 Single-Tone FFT with fIN = 200.3 MHz

–120

FREQUENCY (MHz)

–20

–40

–60

–80

–100

150MSPS

337MHz @ –1dBFS

SNR = 68dBc (69dBFS)

ENOB = 11 BITS

SFDR = 72.4dB

SECOND HARMONIC

THIRD HARMONIC

Figure 21. AD9640-150 Single-Tone FFT with fIN = 337 MHz

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