AD8315
25
24
–66
–68
–70
–72
–74
–76
–78
–80
+85°C
+85°C
+25°C
23
22
21
20
+25°C
–30°C
–30°C
0
0.5
1.0
1.5
2.0
2.5
0
0.5
1.0
1.5
2.0
2.5
FREQUENCY (GHz)
FREQUENCY (GHz)
Figure 18. Intercept vs. Frequency; −30°C, +25°C, and +85°C
Figure 15. Slope vs. Frequency; −30°C, +25°C, and +85°C
–68
24
23
22
21
0.1GHz
0.9GHz
0.1GHz
–70
–72
0.9GHz
–74
–76
–78
–80
1.9GHz
1.9GHz
2.5GHz
2.5GHz
2.5
3.0
3.5
4.0
(V)
4.5
5.0
5.5
2.5
3.0
3.5
4.0
(V)
4.5
5.0
5.5
V
V
S
S
Figure 16. Slope vs. Supply Voltage
Figure 19. Intercept vs. Supply Voltage
10000
1000
100
45
40
35
0
C
= 220pF, RF INPUT = 2GHz
FLT
–10
C
= 0pF
FLT
–20
RF INPUT
–51dBV
30
–30
–40
25
20
–50
–48dBV
–33dBV
–43dBV
–60
15
–70
10
–80
5
–90
0
–23dBV
–100
–110
–120
–130
–5
–13dBV
–10
–15
–20
–25
–30
–35
–40
C
= 220pF
FLT
–53dBV AND
–63dBV
10
100
1k
10k
100k
1M
10M
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FREQUENCY (Hz)
Figure 17. AC Response from VSET to VAPC
Figure 20. VAPC Noise Spectral Density
Rev. C | Page 9 of 24