AD7091 Ver la hoja de datos (PDF) - Analog Devices
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AD7091 Datasheet PDF : 20 Pages
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Data Sheet
TYPICAL PERFORMANCE CHARACTERISTICS
0
–20
–40
–60
–80
–100
–120
–140
0
VDD = 3V
TA = 25°C
fIN = 10kHz
fSAMPLE = 1MSPS
SNR = 69.84dB
SINAD = 69.56dB
THD = –81.05dB
100
200
300
400
500
FREQUENCY (kHz)
Figure 4. Typical Dynamic Performance
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
VDD = 3V
TA = 25°C
fSAMPLE = 1MSPS
512 1024 1536 2048 2560 3072 3584 4096
CODE
Figure 5. Typical INL Performance
1.0
VDD = 3V
0.8
TA = 25°C
fSAMPLE = 1MSPS
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
512 1024 1536 2048 2560 3072 3584 4096
CODE
Figure 6. Typical DNL Performance
AD7091
72
TA = 25°C
fSAMPLE = 1MSPS
70
68
VDD = 2.7V
66
VDD = 5V
VDD = 3V
64
62
60
1
10
100
INPUT FREQUENCY (kHz)
Figure 7. SNR vs. Analog Input Frequency for Various Supply Voltages
0
TA = 25°C
–10 fSAMPLE = 1MSPS
–20
–30
–40
–50
–60
–70
VDD = 3V
–80
–90
–100
1
VDD = 2.7V
10
100
INPUT FREQUENCY (kHz)
Figure 8. THD vs. Analog Input Frequency for Various Supply Voltages
–50
VDD = 3V
–55
TA = 25°C
fIN = 10kHz
fSAMPLE = 1MSPS
–60
–65
–70
–75
–80
–85
–90
10
100
1000
SOURCE IMPEDANCE (Ω)
Figure 9. THD vs. Source Impedance
10000
Rev. B | Page 7 of 20
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