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AD7383 Datasheet(PDF) 9 Page - Analog Devices

Part # AD7383
Description  Differential Inputs, 1 MSPS/500 kSPS, Dual Simultaneous Sampling SAR ADCs
PDF  29 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7383 Datasheet(HTML) 9 Page - Analog Devices

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Data Sheet
AD4680/AD4681
Rev. 0 | Page 9 of 29
TYPICAL PERFORMANCE CHARACTERISTICS
VREF = 2.5 V internal, VCC = 3.6 V, VLOGIC = 3.3 V, fIN = 1 kHz, and TA = 25°C, unless otherwise noted.
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FREQUENCY (kHz)
SNR = 91.02dB
THD = –111.12dB
SINAD = 90.98dB
fIN = 1kHz
VREF = 2.5V (INTERNAL)
Figure 9. AD4680 Fast Fourier Transform (FFT), VREF = 2.5 V Internal
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FREQUENCY (MHz)
SNR = 92.51dB
THD = –105.79dB
SINAD = 92.31dB
fIN = 1kHz
VREF = 3.3V (EXTERNAL)
Figure 10. AD4680 FFT, VREF = 3.3 V External
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SNR = 100.09dB
THD = –106.16dB
SINAD = 99.14dB
fIN = 1kHz
VREF = 3.3V (EXTERNAL)
OSR = 8, RES = 1
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FREQUENCY (MHz)
Figure 11. AD4680 FFT with Oversampling, VREF = 3.3 V External
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FREQUENCY (kHz)
SNR = 91.0dB
THD = –111.05dB
SINAD = 90.97dB
fIN = 1kHz
VREF = 2.5V (INTERNAL)
Figure 12. AD4681 FFT, VREF = 2.5 V Internal
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FREQUENCY (MHz)
SNR = 92.48dB
THD = –105.66dB
SINAD = 92.29dB
fIN = 1kHz
VREF = 3.3V (EXTERNAL)
Figure 13. AD4681 FFT, VREF =3.3 V External
25
13074
159754
87843
2101 2
0
20000
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100000
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CODE
–6 –5 –4 –3 –2 –1
1
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7
0
Figure 14. DC Histogram Codes at Code Center



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