AD8051/AD8052/AD8054
–20
TOTAL HARMONIC DISTORTION (dBc)
V
OUT
= 2V p-p
–30
–40
–50
–60
–70
–80
–90
–100
V
S
= 3V, G = –1
R
F
= 2kΩ, R
L
= 100Ω
V
S
= 5V, G = +2
R
F
= 2kΩ, R
L
= 100Ω
1000
V
S
= 5V
V
S
= 5V, G = +1
R
L
= 100Ω
VOLTAGE NOISE (nA/√Hz)
100
V
S
= 5V, G = +2
R
F
= 2kΩ, R
L
= 2kΩ
V
S
= 5V, G = +1
R
L
= 2kΩ
10
01062-019
1
2
3
4
5
6
FUNDAMENTAL FREQUENCY (MHz)
7
8 9 10
100
1k
10k
100k
FREQUENCY (Hz)
1M
10M
Figure 19. Total Harmonic Distortion
Figure 22. Input Voltage Noise vs. Frequency
–30
–40
100
V
S
= 5V
WORST HARMONIC (dBc)
–60
–70
–80
–90
–100
–110
–120
–130
01062-020
CURRENT NOISE (pA/√Hz)
–50
10MHz
10
5MHz
1MHz
V
S
= 5V
R
L
= 2kΩ
G = +2
1
–140
0
0.5
1.0
1.5 2.0
2.5 3.0 3.5
OUTPUT VOLTAGE (V p-p)
4.0
4.5
5.0
100
1k
10k
100k
FREQUENCY (Hz)
1M
10M
Figure 20. Worst Harmonic vs. Output Voltage
Figure 23. Input Current Noise vs. Frequency
0.10
0.08
0.06
0.04
0.02
0.00
–0.02
–0.04
–0.06
0.10
0.05
0.00
–0.05
–0.10
–0.15
–0.20
–0.25
DIFFERENTIAL
GAIN ERROR (%)
DIFFERENTIAL
GAIN ERROR (%)
NTSC SUBSCRIBER (3.58MHz)
R
L
= 150Ω
0.10
0.05
0.00
–0.05
–0.10
DIFFERENTIAL
PHASE ERROR (Degrees)
NTSC SUBSCRIBER (3.58MHz)
R
L
= 1kΩ
V
S
= 5V, G = +2
R
F
= 2kΩ, R
L
AS SHOWN
0
10
20
30
40
50
60
R
L
= 1kΩ
70
80
90
100
V
S
= 5V, G = +2
R
F
= 2kΩ, R
L
AS SHOWN
R
L
= 150Ω
1
ST
2
ND
3
RD
4
TH
5
TH
6
TH
7
TH
8
TH
9
TH
10
TH
11
TH
DIFFERENTIAL
PHASE ERROR (Degrees)
0.3
0.2
0.1
0.0
–0.1
–0.2
–0.3
R
L
= 1kΩ
R
L
= 1kΩ
R
L
= 150Ω
01062-024
R
L
= 150Ω
V
S
= 5V, G = +2
R
F
= 2kΩ, R
L
AS SHOWN
01062-021
V
S
= 5V, G = +2
R
F
= 2kΩ, R
L
AS SHOWN
0
10
20
30
40
50
60
70
80
MODULATING RAMP LEVEL (IRE)
90
100
1
ST
2
ND
3
RD
4
TH
5
TH
6
TH
7
TH
8
TH
9
TH
10
TH
11
TH
MODULATING RAMP LEVEL (IRE)
Figure 21. AD8051/AD8052 Differential Gain and Phase Errors
Figure 24. AD8054 Differential Gain and Phase Errors
Rev. H | Page 12 of 24
01062-023
0.1
10
01062-022
–110
1
10
AD [ ANALOG DEVICES ]
