AD8315
25
–66
–68
24
–70
+85°C
SLOPE (mV/dB)
+85°C
23
INTERCEPT (dBV)
–72
+25°C
–74
–30°C
–76
–78
22
–30°C
+25°C
21
01520-015
0
0.5
1.0
1.5
FREQUENCY (GHz)
2.0
2.5
0
0.5
1.0
1.5
FREQUENCY (GHz)
2.0
2.5
Figure 15. Slope vs. Frequency; −30°C, +25°C, and +85°C
24
Figure 18. Intercept vs. Frequency; −30°C, +25°C, and +85°C
–68
0.1GHz
0.1GHz
0.9GHz
–70
INTERCEPT (dBV)
SLOPE (mV/dB)
23
–72
0.9GHz
1.9GHz
22
2.5GHz
–74
1.9GHz
–76
–78
2.5GHz
01520-016
3.0
3.5
4.0
V
S
(V)
4.5
5.0
5.5
3.0
3.5
4.0
V
S
(V)
4.5
5.0
5.5
Figure 16. Slope vs. Supply Voltage
45
40
35
30
25
20
15
10
5
0
–5
–10
–15
–20
–25
–30
–35
–40
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
Figure 19. Intercept vs. Supply Voltage
10000
C
FLT
= 0pF
C
FLT
= 220
p
F, RF INPUT = 2GHz
RF INPUT
–51dBV
NOISE SPECTRAL DENSITY (nV/√Hz)
AMPLITUDE (dB)
1000
PHASE (Degrees)
–48dBV
–33dBV
–43dBV
–23dBV
C
FLT
= 220pF
100
–13dBV
–53dBV AND
–63dBV
01520-020
01520-017
100
1k
10k
100k
FREQUENCY (Hz)
1M
10M
10
100
1k
10k
100k
FREQUENCY (Hz)
1M
10M
Figure 17. AC Response from VSET to VAPC
Figure 20. VAPC Noise Spectral Density
Rev. C | Page 9 of 24
01520-019
21
2.5
–80
2.5
01520-018
20
–80
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