AD9241AS 查看數據表（PDF） - Analog Devices
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AD9241AS Datasheet PDF : 24 Pages
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AD9241
Typical Differential AC Characterization Curves/Plots
(AVDD = +5 V, DVDD = +5 V, DRVDD = +5 V, fSAMPLE =
1.25 MSPS, TA = +25؇C, Differential Input)
80
75
70
65
60
55
50
45
40
0.01
–0.5dBFS
–6.0dBFS
–20dBFS
0.1
1.0
10.0
INPUT FREQUENCY – MHz
–40
–50
–60
–70
–80
–90
–100
0.01
–20.0dBFS
–6.0dBFS
–0.5dBFS
0.1
1.0
10.0
INPUT FREQUENCY – MHz
0
–10
FUND
–20
–30
–40
–50
–60
–70
–80
–90
–100 8
53
–110
2
6
79
4
–120
–130
–140
–150
–160
–170
0 100 200 300 400 500 600
FREQUENCY – kHz
Figure 2. SINAD vs. Input Frequency
(Input Span = 5 V, VCM = 2.5 V)
Figure 3. THD vs. Input Frequency
(Input Span = 5 V, VCM = 2.5 V)
Figure 4. Typical FFT, fIN Х 500 kHz
(Input Span = 5 V, VCM = 2.5 V)
80
75
70
65
60
55
50
45
40
0.01
–0.5dBFS
–6.0dBFS
–20.0dBFS
0.1
1.0
10.0
INPUT FREQUENCY – MHz
Figure 5. SINAD vs. Input Frequency
(Input Span = 2 V, VCM = 2.5 V)
–40
–50
–60
–70
–80
–90
–100
0.01
–20.0dBFS
–6.0dBFS
–0.5dBFS
0.1
1.0
10.0
INPUT FREQUENCY – MHz
Figure 6. THD vs. Input Frequency
(Input Span = 2 V, VCM = 2.5 V)
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100 5
–110
–120
–130
–140
–150
–160
–170
0 100
FUND
2
83 7
4
69
200 300 400 500 600
FREQUENCY – kHz
Figure 7. Typical FFT, fIN Х 500 kHz
(Input Span = 2 V, VCM = 2.5 V)
–40
–50
–60
–70
–80
–90
–100
0.1
5V SPAN
2V SPAN
1.0
10.0
SAMPLE RATE – MSPS
Figure 8. THD vs. Sample Rate
(fIN = 0.3 MHz, AIN = –0.5 dBFS,
VCM = 2.5 V)
110
100
dBFS - 5V
90
80 dBc - 5V
70
dBFS - 5V
60
dBc - 2V
50
40
–45 –39 –33 –27 –21 –15 –9
AIN – dBFS
–3 0
Figure 9. Single Tone SFDR
(fIN = 0.6 MHz, VCM = 2.5 V)
110
105
5V SPAN - dBFS
100
95
2V SPAN - dBFS
90
85
80
75 5V SPAN - dBc
70
2V SPAN - dBc
65
60
–40 –35 –30 –25 –20 –15 –10 –5 0
INPUT POWER LEVEL (f1 = f2) – dBFS
Figure 10. Dual Tone SFDR
(f1 = 0.5 MHz, f2 = 0.6 MHz,
VCM = 2.5 V)
–6–
REV. 0
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