AD8051/AD8052/AD8054
20
V
O
= 2V p-p
TOTAL HARMONIC DISTORTION – dBc
1000
30
40
50
60
70
80
90
100
110
1
V
S
= +5V, G = +2
R
F
= 2k , R
L
= 2k
V
S
= +3V, G = 1
R
F
= 2k , R
L
= 100
VOLTAGE NOISE – nA Hz
V
S
= +5V
V
S
= +5V, G = +2
R
F
= 2k , R
L
= 100
V
S
= +5V, G = +1
R
L
= 100
100
V
S
= +5V, G = +1
R
L
= 2k
10
2
3
4
5
6 7
FUNDAMENTAL FREQUENCY – MHz
8 9 10
1
10
100
1k
10k
100k
FREQUENCY – Hz
1M
10M
Figure 15. Total Harmonic Distortion
Figure 18. Input Voltage Noise vs. Frequency
30
40
50
WORST HARMONIC – dBc
100
V
S
= +5V
10MHz
CURRENT NOISE – pA
Hz
60
70
80
90
100
110
120
130
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
1MHz
V
S
= +5V
R
L
= 2k
G = +2
5MHz
10
1
0.1
10
100
1k
10k
100k
FREQUENCY – Hz
1M
10M
Figure 16. Worst Harmonic vs. Output Voltage
Figure 19. 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
0.10
DIFFERENTIAL
GAIN ERROR – %
DIFFERENTIAL
GAIN – %
NTSC SUBSCRIBER (3.58MHz)
R
L
= 150
NTSC SUBSCRIBER (3.58MHz)
0.05
0.00
–0.05 V
S
= +5, G = +2
R
F
= 2k , R
L
AS SHOWN
–0.10
1st 2nd 3rd 4th 5th
0.3
0.2
0.1
0.0
–0.1
–0.2
–0.3
V
S
= +5, G = +2
R
F
= 2k ,
R
L
AS SHOWN
1st 2nd
R
L
= 1k
R
L
= 1k
V
S
= +5, G = +2
R
F
= 2k , R
L
AS SHOWN
0
10
20
30
40
50
60
R
L
= 1k
R
L
= 150
6th 7th
8th
9th 10th 11th
70
80
90
100
DIFFERENTIAL
PHASE – Degrees
DIFFERENTIAL
PHASE ERROR – Degrees
R
L
= 1k
R
L
= 150
V
S
= +5, G = +2
R
F
= 2k , R
L
AS SHOWN
0
10
20
30
40
50
60
70
80
MODULATING RAMP LEVEL – IRE
90
100
R
L
= 150
3rd 4th 5th 6th 7th 8th 9th 10th 11th
MODULATING RAMP LEVEL – IRE
Figure 17. AD8051/AD8052 Differential Gain and Phase
Errors
Figure 20. AD8054 Differential Gain and Phase Errors
–8–
REV. B
AD [ ANALOG DEVICES ]
