REV. A
AD8047/AD8048
–7–
–90
–110
–70
–50
–30
FREQUENCY (Hz)
100M1M100k10k
–40
–20
–60
–80
–100
–120
10M
SECOND HARMONIC
THIRD HARMONIC
HARMONIC DISTORTION (dBc)
R
L
= 100
V
OUT
= 2V p-p
TPC 19. AD8047 Harmonic Distortion vs. Frequency,
G = +1
–25
–30
–65
1.5 6.52.5 3.5 4.5 5.5
–45
–50
–55
–60
–35
–40
SECOND HARMONIC
THIRD HARMONIC
OUTPUT SWING (V p-p)
f
= 200MHz
R
L
= 1k
R
F
= 0 FOR SOIC
HARMONIC DISTORTION (dBc)
TPC 20. AD8047 Harmonic Distortion vs. Output
Swing, G = +1
0.04
DIFF GAIN (%)
–0.04
0.00
–0.02
0.02
11th1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th
11th1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th
0.04
DIFF PHASE (Degrees)
–0.04
0.00
–0.02
0.02
TPC 21. AD8047 Differential Gain and Phase Error,
G = +2, R
L
= 150
Ω
, R
F
= 200
Ω
, R
IN
= 200
Ω
SETTLING TIME (ns)
0.5
0.4
–0.4
010
20
0.0
–0.1
–0.2
–0.3
0.2
0.1
0.3
–0.5
51525354530 40
ERROR (%)
R
L
= 100
R
F
= 0
V
OUT
= 2V STEP
TPC 22. AD8047 Short-Term Settling Time, G = +1
0.25
0.20
–0.20
048
0.00
–0.05
–0.10
–0.15
0.10
0.05
0.15
–0.25
261014 1812 16
SETTLING TIME (s)
R
L
= 100
R
F
= 0
V
OUT
= 2V STEP
ERROR (%)
TPC 23. AD8047 Long-Term Settling Time, G = +1
17
13
3
100 100
10k1k10
15
9
11
5
7
INPUT NOISE VOLTAGE (nV/
√
Hz)
FREQUENCY (Hz)
TPC 24. AD8047 Noise vs. Frequency