Datasheet

AD9216
Rev. A | Page 16 of 40
04775-027
–60 –50 –40 –30 –20 –10 0
TWO-TONE ANALOG INPUT LEVEL (dBFS)
dB
0
10
20
30
40
50
60
70
80
90
100
70dB REF LINE
TWO-TONE SFDR dBc
TWO-TONE SFDR dBFS
Figure 22. Two-Tone IMD Performance vs. Input Drive Level
(100.1 MHz and 101.1 MHz; f
S
= 105 MSPS (−105 Grade); F1, F2 Levels Equal)
04775-028
10 20 40 60 80 90 100
SAMPLE CLOCK RATE (MSPS)
CURRENT (mA)
0
10
20
30
40
50
60
70
80
90
100
AVDD CURRENT (–105 GRADE)
AVDD CURRENT (–65/80 GRADE)
30 50 70
DRVDD CURRENT (ALL GRADES)
Figure 23. I
AVDD
, I
DRVDD
vs. Sample Clock Frequency,
C
LOAD
= 5 pF, A
IN
= 70 MHz @ −0.5 dBFS
04775-029
POSITIVE DUTY CYCLE (%)
dB
20
30
40
50
60
70
80
25 30 35 40 45 50 55 60 65 70 75
SFDR DCS ON
SFDR DCS
OFF
SNR DCS OFF
SNR DCS ON
Figure 24. SNR, SFDR vs. Positive Duty Cycle DCS Enabled, Disabled;
A
IN
= 70 MHz at −0.5 dBFS, 105 MSPS (−105 Grade)
04775-030
VREF (V)
dB
0.25 0.35 0.45 0.55 0.65 0.75 0.85 0.95 1.05 1.15 1.25
40
45
50
55
60
65
70
75
80
SNR
SFDR
Figure 25. SNR, SFDR vs. External VREF (Full Scale = 2 × VREF)
A
IN
= 70.3 MHz at −0.5 dBFS, 105 MSPS (−105 Grade)
04775-031
–40–20020406080
TEMPERATURE (°C)
GAIN ERROR (% Full Scale)
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
1.0
INTERNAL REFERENCE MODE
EXTERNAL REFERENCE MODE
Figure 26. Typical Gain Error Variation vs. Temperature, (−105 Grade)
A
IN
= 70 MHz at 0.5 dBFS, 105 MSPS (Normalized to 25°C)
04775-032
–40–20020406080
TEMPERATURE (°C)
dB
55
60
65
70
75
80
SFDR
SNR
SINAD
Figure 27. SNR, SINAD, SFDR vs. Temperature, (−105 Grade)
A
IN
= 70 MHz at −0.5 dBFS, 105 MSPS, Internal Reference Mode