Datasheet

AD8117/AD8118
Rev. A | Page 20 of 36
0
–100
–60
–80
–40
–20
300k 1M 10M 100M 1G 2G
FEEDTHROUGH (dB)
FREQUENCY (Hz)
SINGLE-ENDED IN/OUT
06365-032
Figure 37. AD8117 Crosstalk, Off Isolation, Single-Ended
6k
5k
0
2k
1k
3k
4k
300k 1M 10M 100M 1G
INPUT IMPEDANCE (Ω)
FREQUENCY (Hz)
06365-033
DIFFERENTIAL IN
AD8118
AD8117
Figure 38. AD8117, AD8118 Input Impedance
300k 1M 10M 100M 1G
INPUT IMPEDANCE (Ω)
FREQUENCY (Hz)
06365-034
0
500
1000
1500
2000
2500
3000
3500
4000
4500
AD8118
AD8117
SINGLE-ENDED IN
Figure 39. AD8117, AD8118 Input Impedance, Single-Ended
30k
25k
20k
15k
10k
5k
0
100k 1M 10M 100M 1G
OUTPUT IMPEDANCE (Ω)
FREQUENCY (Hz)
DIFFERENTIAL OUT
06365-035
Figure 40. AD8117, AD8118 Output Impedance, Disabled
1000
0.1
100k 1G
OUTPUT IMPEDANCE (Ω)
FREQUENCY (Hz)
10
1
100
10M 100M1M
06365-036
Figure 41. AD8117, AD8118 Output Impedance, Enabled
0.4
–0.4
01
V
OUT
(V, DIFF)
TIME (ns)
–0.2
0
0.2
35791113
5
0.3
–0.3
–0.1
0.1
46810121412
06365-037
Figure 42. AD8117 Small Signal Pulse Response, 200 mV p-p