Datasheet

ADA4940-1/ADA4940-2 Data Sheet
Rev. C | Page 16 of 32
10
0
–120
–110
1.5 2.5
NORMALIZED SPECTRUM (dBc)
FREQUENCY (MHz)
08452-033
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.42.3
V
OUT, dm
= 2V p-p
(ENVELOPE)
Figure 37. 2 MHz Intermodulation Distortion (LFCSP)
130
40
50
60
70
80
90
100
110
120
0.1
1
10
100
CMRR (dB)
FREQUENCY (MHz)
08452-100
SOIC
LFCSP
Figure 38. CMRR vs. Frequency
–10
–80
0.1
1
10 100
OUTPUT BALANCE (dB)
FREQUENCY (MHz)
–70
–60
–50
–20
–30
–40
08452-032
V
OUT, dm
= 2V p-p
Figure 39. Output Balance vs. Frequency
–60
–130
0.1
1
10
100
CROSSTALK (dB)
FREQUENCY (MHz)
–120
–110
–100
–70
–80
–90
08452-039
CHANNEL 1 TO CHANNEL 2
CHANNEL 2 TO CHANNEL 1
V
OUT, dm
= 2V p-p
Figure 40. Crosstalk vs. Frequency, ADA4940-2
120
20
0.1
1
10 100
PSRR (dB)
FREQUENCY (MHz)
30
40
50
60
70
80
110
90
100
08452-034
+PSRR
–PSRR
Figure 41. PSRR vs. Frequency
100
–40
0
–210
10k 100k 1M 10M 100M 1G
GAIN (dB)
PHASE (Degrees)
FREQUENCY (Hz)
08452-035
–195
–180
–165
–150
–135
–120
–105
–90
–75
–60
–45
–30
–15
–30
–20
–10
0
10
20
30
40
50
60
70
80
90
Figure 42. Open-Loop Gain and Phase vs. Frequency