ada4927 Analog Devices, Inc., ada4927 Datasheet - Page 12

• Manufacturer Part Number: ada4927
• Description: Ultralow Distortion Current Feedback Differential Adc Driver
• Manufacturer: Analog Devices, Inc.

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