Datasheet

AD8091/AD8092
Rev. C | Page 9 of 20
–
20
–110
–100
–90
–80
–70
–60
–50
–40
–30
11
0
0.10
0 102030405060708090100
0 102030405060708090100
–0.06
0.10
0.05
0
–0.05
–0.10
–0.15
–0.20
–0.25
–0.04
–0.02
0
0.02
0.04
0.06
0.08
02859-014
MODULATING RAMP LEVEL (IRE)
DIFFERENTIAL
GAIN ERROR (%)
DIFFERENTIAL
PHASE ERROR (Degrees)
98765432
02859-011
FUNDAMENTAL FREQUENCY (MHz)
TOTAL HARMONIC DISTORTION (dBc)
V
O
= 2V p-p
V
S
= 3V, G = –1
R
F
= 2kΩ, R
L
= 100Ω
V
S
= 5V, G = +2
R
F
= 2kΩ, R
L
= 100Ω
V
S
= 5V, G = +1
R
L
= 100Ω
V
S
= 5V, G = +2
R
F
= 2kΩ, R
L
= 2kΩ
V
S
= 5V, G = +1
R
L
= 2kΩ
Figure 11. Total Harmonic Distortion
–
30
–130
–120
–110
–100
–90
–80
–70
–60
–50
–40
05
.04.54.03.53.02.52.01.51.00.5
02859-012
OUTPUT VOLTAGE (V p-p)
WORST HARMONIC (dBc)
V
S
= 5V
R
L
= 2kΩ
G = +2
10MHz
5MHz
1MHz
Figure 12. Worst Harmonic vs. Output Voltage
5.0
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
0.1 50101
02859-013
FREQUENCY (MHz)
OUTPUT VOLTAGE SWING (THD £ 0.5%) (V p-p)
V
S
= 5V
G = –1
R
F
= 2kΩ
R
L
= 2kΩ
Figure 13. Low Distortion Rail-to-Rail Output Swing
NTSC SUBSCRIBER (3.58MHz)
R
L
= 150Ω
R
L
= 1kΩ
R
L
= 1kΩ
R
L
= 150Ω
V
S
= 5, G = +2
R
F
= 2kΩ, R
L
AS SHOWN
V
S
= 5, G = +2
R
F
= 2kΩ, R
L
AS SHOWN
1000
1
10
100
10 10M1M100k10k1k100
02859-015
FREQUENCY (Hz)
VOLTAGE NOISE (nA Hz)
Figure 14. Differential Gain and Phase Errors
V
S
= 5V
Figure 15. Input Voltage Noise vs. Frequency
100
0.1
1
10
10 10M1M100k10k1k100
02859-016
FREQUENCY (Hz)
CURRENT NOISE (pA Hz)
V
S
= 5V
Figure 16. Input Current Noise vs. Frequency