AD8285 datasheet(12/27 Pages) AD

12 / 27 page

AD8283

Data Sheet

Rev. C | Page 12 of 27

100

200

300

400

500

600

700

800

900

1000

0.1

100

FREQUENCY (MHz)

1MHz

2MHz

4MHz

8MHz

12MHz

Figure 16. Group Delay vs. Frequency

–80

–75

–70

–65

–60

–55

–50

–45

–40

INPUT FREQUENCY (MHz)

SECOND –1dBFS

SECOND –10dBFS

THIRD –1dBFS

THIRD –10dBFS

Figure 17. Harmonic Distortion vs. Frequency

20000

40000

60000

80000

100000

120000

140000

160000

180000

200000

100

150

200

250

300

350

400

450

500

0.01

0.1

100

FREQUENCY (MHz)

Figure 18. RIN vs. Frequency

–1.5

–1.0

–0.5

0.5

1.0

1.5

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

TIME (µs)

Figure 19. Overdrive Recovery

CH3 1V

CH2 500mV

M1µs 1.25GS/s

A CH2

560mV

800ps/pt

Ω

MEAN(C2) 220mV

µ: 220m

m: 220m M: 220m

σ: 0

FREQ(C2) 997.8kHz

µ: 997.75504k

m: 997.8k M: 997.8k

σ: 0

MEAN(C2) 7.177mV

µ: 7.1773964m

m: 7177m M: 7.177m

σ: 0

LEVEL

560mV

TRIG HOLDOFF

1.5µs

SDO

ANALOG

OUTPUT

Figure 20. Gain Step Response

0.1

FREQUENCY (MHz)

34dB 50Ω TERMINATED

34dB UNTERMINATED

Figure 21. Noise Figure vs. Frequency

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