AD8048 datasheet(9/16 Pages) AD

9 / 16 page

AD8047/AD8048

REV. 0

–9–

SETTLING TIME – ns

0.5

0.4

–0.4

010

0.0

–0.1

–0.2

–0.3

0.2

0.1

0.3

–0.5

515

RL = 100Ω

RF = 200Ω

VOUT = 2V STEP

Figure 36. AD8048 Short-Term Settling Time, G = +2

SETTLING TIME – µs

0.25

0.20

–0.20

0.0

–0.05

–0.10

–0.15

0.10

0.05

0.15

–0.25

RL = 100Ω

RF = 200Ω

VOUT = 2V STEP

Figure 37. AD8048 Long-Term Settling Time 2 V Step,

G = +2

100

100k

10k

FREQUENCY – Hz

Figure 38. AD8048 Noise vs. Frequency

OUTPUT SWING – Volts p-p

–15

–70

1.5

5.5

2.5

3.5

4.5

6.5

–55

–65

–25

–35

–45

f = 20MHz

RL = 1kΩ

RF = 200

2ND HARMONIC

3RD HARMONIC

–20

–60

–30

–40

–50

Figure 34. AD8048 Harmonic Distortion vs. Output Swing,

G = +2

0.04

–0.04

0.00

–0.02

0.02

11th

1st

2nd

3rd

4th

5th

6th

7th

8th

9th

10th

11th

1st

2nd

3rd

4th

5th

6th

7th

8th

9th

10th

0.04

–0.04

0.00

–0.02

0.02

Figure 35. AD8048 Differential Gain and Phase Error,

G = +2, RL = 150 Ω, RF = 200 Ω, RIN = 200 Ω

Figure 33. AD8048 Harmonic Distortion vs. Frequency,

G = +2

–90

–110

–70

–50

–30

FREQUENCY – Hz

100M

100k

10k

–40

–20

–60

–80

–100

–120

10M

2ND HARMONIC

3RD HARMONIC

RL = 100Ω

VOUT = 2V p-p

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