Datasheet

REV. C–6–
AD9631/AD9632
FREQUENCY – Hz
1
1M
GAIN – dB
10M 100M
1G
V
S
= 5V
R
L
= 100
V
O
= 300mV p-p
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
R
F
50
R
F
200
R
F
100
R
F
150
TPC 13. AD9631 Small Signal Frequency
Response, G = +1
FREQUENCY – Hz
0.1
1M
GAIN – dB
10M 100M
0
–0.1
–0.2
–0.3
–0.4
–0.5
–0.6
–0.7
–0.8
–0.9
500M
R
F
140
R
F
100
R
F
150
V
S
= 5V
R
L
= 100
G = +1
V
O
= 300mV p-p
R
F
120
TPC 14. AD9631 0.1 dB Flatness, N Package
(for R Package Add 20
W to R
F
)
90
GAIN – dB
80
70
60
50
40
30
20
10
0
–10
–20
FREQUENCY – Hz
10k 100k 1M 1G
10M
100M
100
20
0
–20
40
60
80
–80
–100
–60
–40
PHASE MARGIN – Degrees
–120
PHASE
GAIN
TPC 15. AD9631 Open-Loop Gain and
Phase Margin vs. Frequency, R
L
= 100 W
VA LUE OF FEEDBACK RESISTOR ( R
F
) – 
20
–3dB BANDWIDTH – MHz
40 60 80
450
400
350
300
250
100 120 140 160 180 200 220 240
V
S
= 5V
R
L
= 100
GAIN = +1
N PACKAGE
R PACKAGE
AD9631
R
L
130
R
F
TPC 16. AD9631 Small Signal –3 dB Bandwidth vs. R
F
FREQUENCY – Hz
1
1M 10M 100M
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
500M
OUTPUT – dB
R
F
250
R
F
= 50 TO 250
BY 50
V
S
= 5V
R
L
= 100
V
O
= 4V p-p
TPC 17. AD9631 Large Signal Frequency
Response, G = +1
FREQUENCY – Hz
1
1M
GAIN – dB
10M 100M 1G
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
V
S
= 5V
R
L
= 100
V
O
= 300mV p-p
R
F
267
TPC 18. AD9631 Small Signal Frequency
Response, G = –1