AD9650
0
1200000
1000000
800000
600000
400000
200000
0
105MSPS
124.8MHz @ –7dBFS
128.3MHz @ –7dBFS
SFDR = 83.8dBc
–20
–40
–60
–80
–100
–120
–140
0
10
20
30
40
50
FREQUENCY (MHz)
OUTPUT CODE
Figure 64. AD9650-105 Grounded Input Histogram
Figure 61. AD9650-105 Two-Tone FFT with fIN1 = 124.8 MHz and fIN2 = 128.3 MHz
0
6
4
DITHER DISABLED
DITHER ENABLED
–20
SFDR (dBc)
–40
2
IMD3 (dBc)
–60
0
–80
–2
–4
SFDR (dBFS)
–100
–120
IMD3 (dBFS)
–140
–6
0
–90
–80
–70
–60
–50
–40
–30
–20
–10
10000
20000
30000
40000
50000
60000
INPUT AMPLITUDE (dBFS)
OUTPUT CODE
Figure 62. AD9650-105 Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN) with
Figure 65. AD9650-105 INL with fIN = 9.7 MHz
f
IN1 = 128.3 MHz, fIN2 = 124.8 MHz, fs = 105 MSPS
900
800
700
600
500
400
300
200
100
0
2.0
1.5
TOTAL POWER LVDS (mW)
TOTAL POWER CMOS (mW)
1.0
0.5
0
–0.5
–1.0
–1.5
LVDS AND CMOS I
(mA)
AVDD
CMOS I
45
(mA)
DRVDD
LVDS I (mA)
DRVDD
–2.0
0
10000
20000
30000
40000
50000
60000
25
65
85
105
125
145
OUTPUT CODE
SAMPLE RATE (MSPS)
Figure 66. AD9650-105 DNL with fIN = 9.7 MHz
Figure 63. AD9650-105 Power and Current vs. Sample Rate
Rev. 0 | Page 26 of 44
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