Datasheet

AD9714/AD9715/AD9716/AD9717
Rev. A | Page 27 of 80
90
85
80
75
70
65
60
55
50
0 102030405060
f
IN
(MHz)
SFDR (dBc)
07265-092
0dB
–3dB
–6dB
Figure 60. SFDR at Three Digital Input Levels vs. f
IN
, 1.8 V
48
54
60
66
72
78
84
90
5 1015202530354045505560
f
OUT
(MHz)
SFDR (dBc)
1mA
2mA
07265-160
Figure 61. SFDR at Two Output Currents, 1.8 V
CENTER 22.90MHz
TOTAL CARRIER POWER –19.81dBm/7.87420MHz
REF CARRIER POWER –19.81dBm/4.03420MHz
RCC FILTER: OFF FILTER ALPHA 0.22
1. –19.81dBm 5.000MHz 3.840MHz –70.32 –90.13 –72.61 –92.42
2. –85.75dBm 10.00MHz 3.840MHz –71.81 –91.61 –71.60 –91.41
15.00MHz 3.840MHz –72.59 –92.40 –65.50 –85.31
10dB/DI
V
VBW 300kHz
OFFSET
FREQ
INTEG
BW
dBc dBm dBc
LOWER UPPER
dBm
SPAN 38.84MHz
RES BW 30kHz SWEEP 126ms (601pts)
07265-161
AC-COUPLED: UNSPECIFIED
BELOW 20MHz
Figure 62. AD9717 One-Carrier ACLR, 1.8 V
90
85
80
75
70
65
60
55
50
0 102030405060
f
IN
(MHz)
SFDR (dBc)
07265-091
0dB
–3dB
–6dB
Figure 63. SFDR at Three Digital Input Levels vs. f
IN
, 3.3 V
54
60
66
72
78
84
90
5 1015202530354045505560
f
OUT
(MHz)
SFDR (dBc)
07265-162
2m A
4mA
1mA
Figure 64. SFDR at Three Output Currents, 3.3 V
CENTER 22.90MHz
TOTAL CARRIER POWER –25.42dBm/7.68000MHz
REF CARRIER POWER –25.42dBm/3.84000MHz
RCC FILTER: OFF FILTER ALPHA 0.22
1. –25.42dBm 5.000MHz 3.840MHz –72.52 –97.94 –72.44 –97.86
2. –88.16dBm 10.00MHz 3.840MHz –72.82 –98.24 –73.02 –98.44
15.00MHz 3.840MHz –72.18 –97.60 –71.88 –97.30
10dB/DI
V
VBW 300kHz
OFFSET
FREQ
INTEG
BW
dBc dBm dBc
LOWER UPPER
dBm
SPAN 38.84MHz
RES BW 30kHz SWEEP 126ms (601pts)
07265-163
AC-COUPLED: UNSPECIFIED
BELOW 20MHz
Figure 65. AD9717 One-Carrier ACLR, 3.3 V