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AD9265-80EBZ Datasheet(PDF) 21 Page - Analog Devices

Part # AD9265-80EBZ
Description  16-Bit, 125 MSPS/105 MSPS/80 MSPS, 1.8 V Analog-to-Digital Converter
PDF  45 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD9265-80EBZ Datasheet(HTML) 21 Page - Analog Devices

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AD9265
Data Sheet
Rev. C | Page 20 of 44
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0
10
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50
60
40
FREQUENCY (MHz)
125MSPS
70.1MHz @ –6dBFS
SNR = 73.5dB (79.5dBFS)
SFDR = 98dBc
SECOND
HARMONIC
THIRD
HARMONIC
Figure 36. AD9265-125 Single-Tone FFT with fIN = 70.1 MHz at −6 dBFS with
Dither Enabled
0
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–75
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54
48
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FREQUENCY (MHz)
+
2
5
3
4
6
125MSPS
70.1MHz @ –23dBFS
SNR = 57.3dBc (80.3dBFS)
SFDR = 75.1dBc
Figure 37. AD9265-125 Single-Tone FFT with fIN = 70.1 MHz at −23 dBFS with
Dither Disabled, 1M Sample
0
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–105
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60
54
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36
30
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18
12
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FREQUENCY (MHz)
+
2
5
3
4
6
125MSPS
70.1MHz @ –23dBFS
SNR = 56.8dBc (79.8dBFS)
SFDR = 86.8dBc
Figure 38. AD9265-125 Single-Tone FFT with fIN = 70.1 MHz at −23 dBFS with
Dither Enabled, 1M Sample
120
0
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60
80
100
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
INPUT AMPLITUDE (dBFS)
SNR (dBFS)
SFDR (dBc)
SNR (dBc)
SFDR (dBFS)
Figure 39. AD9265-125 Single-Tone SNR/SFDR vs. Input Amplitude (AIN) with
fIN = 2.4 MHz
120
0
20
40
60
80
100
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
INPUT AMPLITUDE (dBFS)
SNR (dBFS)
SFDR (dBc)
SNR (dBc)
SFDR (dBFS)
Figure 40. AD9265-125 Single-Tone SNR/SFDR vs. Input Amplitude (AIN) with
fIN = 98.12 MHz
120
70
80
90
100
110
–100
–90
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0
INPUT AMPLITUDE (dBFS)
SNRFS (DITHER ON)
SNRFS (DITHER OFF)
SFDRFS (DITHER ON)
SFDRFS (DITHER OFF)
Figure 41. AD9265-125 Single-Tone SNR/SFDR vs. Input Amplitude (AIN) with
fIN = 30 MHz With and Without Dither Enabled



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