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AD9243AS Datenblatt(PDF) 6 Page - Analog Devices

Teilenummer AD9243AS
Bauteilbeschribung  Complete 14-Bit, 3.0 MSPS Monolithic A/D Converter
PDF  24 Pages
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Hersteller  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD9243AS Datenblatt(HTML) 6 Page - Analog Devices

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AD9243
REV. A
–6–
Typical Differential AC Characterization Curves/Plots
(AVDD = +5 V, DVDD = +5 V, DRVDD = +5 V, fSAMPLE
= 3.00 MSPS, TA = +25 C, Differential Input)
INPUT FREQUENCY – Hz
90
85
50
100k
1M
20M
10M
80
75
55
70
65
60
–0.5dBFS
–6.0dBFS
–20.0dBFS
14.7
13.8
8.0
13.0
12.2
8.8
11.3
10.5
9.7
Figure 2. SINAD vs. Input Frequency
(Input Span = 5 V, VCM = 2.5 V)
INPUT FREQUENCY – Hz
100k
1M
20M
10M
–0.5dBFS
–20.0dBFS
14.7
13.8
8.0
13.0
12.2
8.8
11.3
10.5
9.7
90
85
80
75
70
65
60
55
50
–6.0dBFS
Figure 5. SINAD vs. Input Frequency
(Input Span = 2 V, VCM = 2.5 V)
SAMPLE RATE – MSPS
–60
–65
–100
0.1
1
5
5V SPAN
2V SPAN
–70
–75
–95
–80
–85
–90
Figure 8. THD vs. Sample Rate
(fIN = 1.5 MHz, AIN = –0.5 dBFS,
VCM = 2.5 V)
–0.5dBFS
–6.0dBFS
–20.0dBFS
INPUT FREQUENCY – Hz
–40
–50
–100
100k
1M
20M
10M
–70
–80
–90
–60
Figure 3. THD vs. Input Frequency
(Input Span = 5 V, VCM = 2.5 V)
–0.5dBFS
–6.0dBFS
–20.0dBFS
INPUT FREQUENCY – Hz
–40
–50
–100
100k
1M
20M
10M
–70
–80
–90
–60
Figure 6. THD vs. Input Frequency
(Input Span = 2 V, VCM = 2.5 V)
AIN – dBFS
110
40
–60
–50
0
–40
–30
–20
–10
100
90
80
60
50
70
dBc – 5V
dBc – 2V
dBFS – 5V
dBFS – 2V
Figure 9. Single Tone SFDR
(fIN = 1.5 MHz, VCM = 2.5 V)
93
4
2
8
5
7
6
0
–15
–30
–45
–60
–75
–90
–105
–120
–135
–150
0
1.5
FREQUENCY – MHz
1
Figure 4. Typical FFT, fIN = 500 kHz
(Input Span = 5 V, VCM = 2.5 V)
9
3
4
2
8
5
7
6
1
0
–15
–30
–45
–60
–75
–90
–105
–120
–135
–150
0
1.5
FREQUENCY – MHz
Figure 7. Typical FFT, fIN = 1.50 MHz
(Input Span = 2 V, VCM = 2.5 V)
INPUT POWER LEVEL (F1 = F2) – dBFS
110
60
–40 –35
0
–30 –25 –20 –15 –10
–5
105
90
85
75
65
100
95
80
70
5V SPAN - dBFS
5V SPAN - dBc
2V SPAN - dBFS
2V SPAN - dBc
Figure 10. Dual Tone SFDR
(f1 = 0.95 MHz, f2 = 1.04 MHz,
VCM = 2.5 V)



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