Datasheet

ADA4927-1/ADA4927-2
Rev. A | Page 12 of 24
–
40
–50
–60
–70
–80
–90
–100
–110
HARMONIC DISTORTION (dBc)
–120
–130
1 10 100 1k
4-025
FREQUENCY (MHz)
0757
V
S
= ±2.5V
HD2, V
OUT
,
dm
= 2V p-p
HD3, V
OUT
,
dm
= 2V p-p
HD2, V
OUT
,
dm
= 1V p-p
HD3, V
OUT
,
dm
= 1V p-p
Figure 25. Harmonic Distortion vs. Frequency at Various V
OUT, dm
–
40
–50
–60
–70
–80
–90
–100
–110
URIOUS-FREE DYNAMIC RANGE (dBc)
20
0
–20
–40
–60
–80
–100
–120
69.6 69.7 69.8 69.9 70.0 70.1 70.2 70.3 70.4 70.5
FREQUENCY (MHz)
NORMALIZED SPECTRUM (dBc)
07574-028
V
OUT
,
dm
= 2V p-p
Figure 28. 70 MHz Intermodulation Distortion
–
–120
–130
1 10 100 1k
SP
026
FREQUENCY (MHz)
07574-
V
OUT
,
dm
= 2V p-p
G = 1
G = 10
G = 20
Figure 26. Spurious-Free Dynamic Range vs. Frequency at Various Gains
–
40
–45
–50
–55
–60
–65
–70
–75
–80
CMRR (dB)
40
–50
–60
–70
–80
–90
–100
–110
–120
–130
–140
0.1 1 10 100 1k
FREQUENCY (MHz)
CROSSTALK (dB)
07574-029
INPUT AMP2 TO OUTPUT AMP1
INPUT AMP1 TO OUTPUT AMP2
Figure 29. Crosstalk vs. Frequency for ADA4927-2
–
–85
–90
1 10 100 1k
FREQUENCY (MHz)
07574-027
R
L
,
dm
= 200Ω
Figure 27. CMRR vs. Frequency
–50
–60
–70
20
–30
–40
–80
–90
1101001k
PSRR (dB)
4-030
R
L
,
dm
= 200Ω
V
S
= ±5V, –PSRR
V
S
= ±5V, +PSRR
FREQUENCY (MHz)
0757
Figure 30. PSRR vs. Frequency