AD8170/AD8174
–10
V
= +0.707V rms
G = +2
IN
G = +2
–20
–30
R
R
R
= 499⍀ (AD8170R)
= 549⍀ (AD8174R)
= 100⍀
F
F
R
R
R
= 499Ω (AD8170R)
= 549Ω (AD8174R)
= 100Ω
F
F
L
L
–40
–50
AD8170R
–60
–70
AD8174R
–80
–90
–100
–110
20ns/DIV
0.1
1M
10M
FREQUENCY – Hz
100M
1G
Figure 10. Small Signal Pulse Response
Figure 13. All-Hostile Crosstalk vs. Frequency
–20
V
= 4V p-p
V
= +0.354V rms
OUT
G = +2
IN
G = +2
–30
–40
R
R
R
= 499⍀
R
R
= 549Ω
F
F
L
F
L
(AD8170R)
= 549⍀
(AD8174R)
= 100⍀
= 100Ω
–50
ENABLE = LOGIC 1
SD = LOGIC 0
–60
–70
–80
–90
SD = LOGIC 1
ENABLE = LOGIC 0
DISABLE ISOLATION
–100
–110
–120
SHUTDOWN ISOLATION
10ns/DIV
0.03
0.1
1
10
100
500
FREQUENCY – MHz
Figure 11. Large Signal Transient Response
Figure 14. AD8174R Disable and Shutdown Isolation
vs. Frequency
100
100
0.04
0.03
0.02
0.01
G = +2
0.00
–0.01
–0.02
–0.03
–0.04
R
R
R
= 150Ω
= 499Ω (AD8170R)
= 549Ω (AD8174R)
L
F
F
1
2
3
4
5
6
7
8
9
10
11
V
NOISE
IRE
10
10
0.05
0.04
0.03
0.02
0.01
0.00
INVERTING INPUT I
–0.01
–0.02
–0.03
SWITCHING INPUT I
1
2
3
4
5
6
7
8
9
10
11
IRE
1
10
1
1M
100
1k
10k
100k
FREQUENCY – Hz
Figure 12. Differential Gain and Phase Error
Figure 15. Noise vs. Frequency
REV. 0
–6–
ADI [ ADI ]
