Datasheet

ADA4938-1/ADA4938-2
Rev. A | Page 16 of 28
55
50
45
40
35
30
06592-049
IP3 (dBm)
10 100
FREQUENCY (MHz)
IP3 100Ω
Figure 49. IP3 vs. Frequency
3
0
–3
–6
–9
–12
1 10 100 1000
CLOSED-LOOP GAIN (dB)
FREQUENCY (MHz)
V
OCM
= –3.7V
ALL CURVES ARE
NORMALIZED TO V
OCM
= 0V
V
OCM
= –3.5V
V
OCM
= –3V
V
OCM
= 0V
V
OCM
= +3V
V
OCM
= +3.5V
V
OCM
= +3.7V
06592-50
Figure 50. V
OUT, dm
Large Signal Frequency Response for Various V
OCM
06592-051
100
10
1
10 100 1k 10k 100M100k 1M 10M
INPUT CURRENT NOISE (pA/ Hz)
FREQUENCY (Hz)
Figure 51. Input Current Noise vs. Frequency
06592-888
–
40
–50
–60
–70
–80
–90
–100
–110
–120
–130
–140
0.3 1 10 100 1000
CROSSTALK (dB)
FREQUENCY (MHz)
INPUT1, OUTPUT2
INPUT2, OUTPUT1
Figure 52. Crosstalk vs. Frequency for ADA4938-2
2
1
–2
1.0
–1.0
–0.5
V
IN
0
0.5
0.1
–0.1
–1
0
V
IN
(V)
SETTLING ERROR (%)
TIME (1ns/DIV)
06592-153
SETTLING ERROR
Figure 53. 0.1% Settling Time