Datasheet

ADG918/ADG919 Data Sheet
Rev. D | Page 8 of 16
–20
FREQUENC
Y
(Hz)
10k
100k
1M 10M
100M 1G
10G
V
DD
= 2.5V
S12 (+85°C)
S12 (+25°C)
S12 (–40°C)
–90
–70
–60
–50
–40
–30
–80
–10
ISOLATION (dB)
–100
S21
03335-023
(–40°C, +25°C, +85°C)
Figure 12. Isolation vs. Frequency over Temperature (RF1/RF2, ADG919)
T
A
= 25°C
V
DD
= 2.5V
OFF SWITCH (ADG918)
ON SWITCH
–35
–40
–30
–25
–20
–15
–10
–5
0
RETURN LOSS (dB)
FREQUENCY (Hz)
10k 100k 1M 10M 100M 1G 10G
03335-026
Figure 13. Return Loss vs. Frequency (RF1/RF2, S11)
–15
T
A
= 25°C
V
DD
= 2.5V
–35
–30
–25
–20
–55
–50
–45
–40
–10
CROSSTALK (dB)
–70
–60
–65
–75
–80
FREQUENCY
(Hz)
10k 100k 1M 10M 100M 1G
10G
03335-028
Figure 14. Crosstalk vs. Frequency (RF1/RF2, S12, S21)
CH1 = CTRL = 1V/DIV T
RISE
= 6.1ns
CH2 = RF1 = 100mV/DIV T
FALL
= 6.1ns
CH3 = RF2 = 100mV/DIV
CH2/3
CH1
03335-024
Figure 15. Switch Timing
CH1 500mV CH2 1mVΩ m 10.0ns
CTRL
RFC
CH2 p-p
2.002mV
03335-027
Figure 16. Video Feedthrough
40
35
250 350 450 550
FREQUENCY (MHz)
650 750 850
30
IP
3
(dBm)
25
20
15
10
5
0
V
DD
= 2.5V
T
A
= 25°C
03335-029
Figure 17. IP3 vs. Frequency