Datasheet

AD8335 Data Sheet
Rev. B | Page 10 of 28
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
FREQUENCY (MHz)
0.1 101 100
04976-020
INPUT REFERRED NOISE (nV/ Hz)
V
GAIN
= 3.0V
R
S
= 0Ω
R
FB
=
∞
Figure 21. Short-Circuit Input Referred Noise vs. Frequency at Maximum Gain
(See Figure 50)
V
GAIN
(V)
04976-021
0.1
1.0
10
100
1k
1.0 1.50 0.5 2.0 2.5 3.0
NOISE (nV/ Hz)
T = –40°C
T = +25°C
T = +85°C
Figure 22. Input Referred Noise vs. V
GAIN
at Three Temperatures
(See Figure 50)
101100
0.1
1.0
10
SOURCE RESISTANCE (Ω)
04976-022
1k
INPUT NOISE (nV/ Hz)
R
S
THERMAL NOISE
ALONE
f = 1MHz, V
GAIN
= 3V
Figure 23. Input Referred Noise vs. R
S
0
10
20
15
5
30
25
NOISE FIGURE (dB)
40
35
50
45
60
55
1.0 1.50 0.5 2.0 2.5 3.0
V
GAIN
(V)
04976-062
f = 10MHz
Figure 24. Noise Figure vs. V
GAIN
for R
S
= R
IN
= 50 Ω
–70
–65
–60
–55
–50
–45
–40
–35
DISTORTION (dBc)
200 400 600 800 1.0k 1.2k 1.4k 1.6k 1.8k 2.0k
R
LOAD
(Ω)
04976-025
f = 10MHz
V
OUT
= 1V p-p
V
GAIN
= 1.5V
HLxx = LOW
HD2 HD3
HLxx = HIGH
HD2 HD3
Figure 25. Harmonic Distortion vs. R
LOAD
(See Figure 53)
–80
–70
–60
–50
–40
–30
–20
DISTORTION (dBc)
01020304050
C
LOAD
(pF)
04976-200
f = 10MHz
V
OUT
= 1V p-p
HLxx = LOW
HD3
HLxx = HIGH,
HD3
HLxx = HIGH,
HD2
HLxx = LOW,
HD2
Figure 26. Harmonic Distortion vs. C
LOAD
(See Figure 53)