AD9260AS datasheet(19/36 Pages) AD

номер детали	AD9260AS

подробное описание детали	High-Speed Oversampling CMOS ADC with 16-Bit Resolution at a 2.5 MHz Output Word Rate

PDF	36 Pages

Scroll/Zoom	100%

производитель	AD [Analog Devices]

домашняя страница	http://www.analog.com

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19 / 36 page

AD9260

–19–

REV. B

Additional AC Characterization Curves

(AVDD = DVDD = DRVDD = +5 V, 4 V Input Span, AIN = –0.5 dBFS, Differential DC Coupled Input with CML = 2 V, Full Bias, unless otherwise noted)

20 MSPS

FULL BIAS

AIN – dBFS

120

–50

100

105

110

115

–45

–40

–35

–30

–25

–20

–15

–10

–5

10 MSPS

FULL BIAS

10 MSPS

HALF BIAS

20 MSPS

HALF BIAS

Figure 47. Single-Tone SFDR vs. Amplitude (fIN =100 kHz,

× Mode)

20 MSPS

FULL BIAS

AIN – dBFS

–50

100

105

110

–45

–40

–35

–30

–25

–20

–15

–10

–5

10 MSPS

FULL BIAS

10 MSPS

HALF BIAS

Figure 48. Single-Tone SFDR vs. Amplitude (fIN =1.0 MHz,

× Mode)

20 MSPS

FULL BIAS

AIN – dBFS

–50

100

105

110

–45

–40

–35

–30

–25

–20

–15

–10

–5

10 MSPS

FULL BIAS

10 MSPS

HALF BIAS

Figure 49. Single-Tone SFDR vs. Amplitude (fIN = 500 kHz,

× Mode)

20MSPS-dBFS

FULL BIAS

AIN – dBFS

–60

100

110

120

–50

–40

–30

–20

–10

10MSPS-dBc

HALF BIAS

10MSPS-dBFS

HALF BIAS

20MSPS-dBc

FULL BIAS

Figure 50. Two-Tone SFDR (F1 = 475 kHz, F2 = 525 MHz,

× Mode)

FULL BIAS-dBFS

AIN – dBFS

–60

100

110

120

–50

–40

–30

–20

–10

HALF BIAS-dBFS

HALF BIAS-dBc

FULL BIAS-dBc

Figure 51. Two-Tone SFDR (F1 = 0.95 kHz, F2 = 1.05 MHz,

× Mode 20 MSPS)

AIN – dBFS

–60

100

110

120

–50

–40

–30

–20

–10

dBc

dBFS

Figure 52. Two-Tone SFDR (F1 = 1.9 MHz, F2 = 2.1 MHz,

× Mode 20 MSPS)

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