AD9226AST datasheet(13/29 Pages) AD

13 / 29 page

REV. B

AD9226

–12–

REV. B

FREQUENCY – MHz

–80

–60

–40

–20

024

–90

–70

–50

–30

–10

–120

–100

–110

SNR = 70.2dBFS

SFDR = 89dBFS

NOISE FLOOR = 145.33dBFS/Hz

TPC 19. Dual-Tone 8K FFT with fIN–1 = 44.2 MHz and

fIN–2 = 45.6 MHz

FREQUENCY – MHz

–80

–60

–40

–20

024

412

–90

–70

–50

–30

–10

828

–120

–100

–110

SNR = 68.5dBFS

SFDR = 75dBFS

NOISE FLOOR = 143.6dBFS/Hz

TPC 20. Dual-Tone 8K FFT with fIN–1 = 69.2 MHz and

fIN–2 = 70.6 MHz

FREQUENCY – MHz

–80

–60

–40

–20

024

–90

–70

–50

–30

–10

–120

–100

–110

SNR = 67.5dBFS

SFDR = 75dBFS

NOISE FLOOR = 142.6dBFS/Hz

TPC 21. Dual-Tone 8K FFT with fIN–1 = 139.2 MHz and

fIN–2 = 140.7 MHz

AD9226–Typical IF Sampling Performance Characteristics

–12–

(AVDD = 5.0 V, DRVDD = 3.0 V, fSAMPLE = 65 MSPS with CLK Stabilizer Enabled, TA = 25 C, 2 V Differential Input Span, VCM = 2.5 V, AIN = –6.5 dBFS,

VREF = 2.0 V, unless otherwise noted.)

AIN – dBFS

–24

–21

–18

–15

–12

–9

–6

SNR/NOISE FLOOR – 2V SPAN

SFDR – 2V SPAN

140.1

145.1

150.1

170.1

155.1

160.1

165.1

TPC 22. Dual-Tone SNR and SFDR with fIN–1 = 44.2 MHz

and fIN–2 = 45.6 MHz

AIN – dBFS

–24

–21

–18

–15

–12

–9

–6

135.1

140.1

145.1

165.1

150.1

155.1

160.1

SNR/NOISE FLOOR – 1V SPAN

SFDR – 2V SPAN

SNR/NOISE FLOOR – 2V SPAN

SFDR – 1V SPAN

TPC 23. Dual-Tone SNR and SFDR with fIN–1 = 69.2 MHz

and fIN–2 = 70.6 MHz

AIN – dBFS

–24

–21

–18

–15

–12

–9

–6

135.1

140.1

145.1

165.1

150.1

155.1

160.1

SNR/NOISE FLOOR – 1V SPAN

SFDR – 2V SPAN

SNR/NOISE FLOOR – 2V SPAN

SFDR – 1V SPAN

TPC 24. Dual-Tone SNR and SFDR with fIN–1 = 139.2 MHz

and fIN–2 = 140.7 MHz

AD9226AST Datasheet(PDF) 13 Page - Analog Devices

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