Datasheet

AD8336
Rev. C | Page 12 of
–
28
10k10
0.1
100 1k
SOURCE RESISTANCE (Ω)
1
10
INPUT-REFERRED NOISE (nV/
√
Hz)
INPUT-REFERRED NOISE
100
V
GAIN
= 0.7V
R
S
THERMAL NOISE ALONE
40
25
–50
0
LOAD CAPACITANCE (pF)
54010 3515 3020
–60
06228-033
Figure 33. Input-Referred Noise vs. Source Resistance
(See Figure 72)
NOISE FIGURE (dB)
40
20
50
30
0–800 –600 –200–400 400 600200 800
0
10
60
SIMULATED
DATA
UNTERMINATED
70
V
GAIN
(mV)
f = 10MHz
50Ω SOURCE
0
6228-034
Figure 34. Noise Figure vs. V
GAIN
(See Figure 63)
HARMONIC DISTORTION (dBc)
–
40
–50
–60
–65
–45
–55
1.0k0
LOAD RESISTANCE (Ω)
200 1.6k400 1.4k600 1.2k800
–70
1.8k 2.0k 2.2k
HD3
HD2
V
OUT
= 2V p-p
V
GAIN
= 0V
f = 5MHz
0
6228-035
Figure 35. Harmonic Distortion vs. Load Resistance
(See Figure 64)
HARMONIC DISTORTION (dBc)
HD3
–65
–70
45 50
HD2
V
OUT
= 2V p-p
V
GAIN
= 0V
f = 5MHz
06228-036
–45
–55
Figure 36. Harmonic Distortion vs. Load Capacitance
(See Figure 64)
–
20
HARMONIC DISTORTION (dBc)
–30
400
–50
V
GAIN
(mV)
–600 800–400 600–200 2000
–60
–80
–70
–40
OUTPUT SWING OF PREAMP
LIMITS V
GAIN
TO 400mV
HD2 @ 1MHz
HD2 @ 10MHz
HD3 @ 1MHz
HD3 @ 10MHz
V
OUT
= 1V p-p
06228-037
Figure 37. Second and Third Harmonic Distortion vs. V
GAIN
at 1 MHz and 10 MHz
(See Figure 64)
–
HARMONIC DISTORTION (dBc)
–30
–50
–60
–80
–70
–40
20
400
V
GAIN
(mV)
–600 800–400 600–200 2000
06228-038
OUTPUT SWING OF PREAMP LIMITS
V
GAIN
LEVELS
V
OUT
= 0.5V p-p
V
OUT
= 1V p-p
V
OUT
= 2V p-p
V
OUT
= 4V p-p
HD2
f = 5MHz
Figure 38. Second Harmonic Distortion vs. V
GAIN
for Four Values of Output Voltage (V
OUT
)
(See Figure 64)