AD9631/AD9632

Data Sheet

Rev. D | Page 8 of 20

Figure 17. AD9631 Small Signal Frequency Response, G = +1

Figure 18. AD9631 0.1 dB Flatness, N Package (for R Package Add 20 Ω to RF)

Figure 19. AD9631 Open-Loop Gain and Phase Margin vs. Frequency,

RL = 100 Ω

Figure 20. AD9631 Small Signal −3 dB Bandwidth vs. RF

Figure 21. AD9631 Large Signal Frequency Response, G = +1

Figure 22. AD9631 Small Signal Frequency Response, G = −1

1

–9

–8

–7

–6

–5

–4

–3

–2

–1

0

1M

10M

100M

1G

FREQUENCY (Hz)

VS = ±5V

RL = 100Ω

VOUT = 300mV p-p

RF = 200Ω

RF = 100Ω

RF = 50Ω

RF = 150Ω

0.1

–0.9

–0.8

–0.7

–0.6

–0.5

–0.4

–0.3

–0.2

–0.1

0

1M

10M

100M

500M

FREQUENCY (Hz)

VS = ±5V

RL = 100Ω

G = +1

VOUT = 300mV p-p

RF = 150Ω

RF = 140Ω

RF = 100Ω

RF = 120Ω

90

80

–20

–10

0

10

20

30

40

50

60

70

100

80

–120

–100

–80

–60

–40

–20

0

20

40

60

10k

100k

1M

10M

100M

1G

FREQUENCY (Hz)

PHASE

GAIN

450

250

300

350

400

475

275

358

375

425

20

40

60

80

100

120

140

160

180

200

220

240

VALUE OF FEEDBACK RESISTOR, RF (Ω)

VS = ±5V

RL = 100Ω

G = +1

N PACKAGE

R PACKAGE

RF

RL

130Ω

AD9631

1

–9

–8

–7

–6

–5

–4

–3

–2

–1

0

1M

10M

100M

500M

FREQUENCY (Hz)

VS = ±5V

RL = 100Ω

VOUT = 4V p-p

RF = 250Ω

RF = 50Ω TO 250Ω

BY 50Ω

1

–9

–8

–7

–6

–5

–4

–3

–2

–1

0

1M

10M

100M

1G

FREQUENCY (Hz)

VS = ±5V

RL = 100Ω

VOUT = 300mV p-p

RF = 267Ω