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AD9642 датащи(PDF) 11 Page - Analog Devices

номер детали AD9642
подробное описание детали  1.8 V Analog-to-Digital Converter (ADC)
PDF  29 Pages
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
Logo AD - Analog Devices

AD9642 датащи(HTML) 11 Page - Analog Devices

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AD9642
Data Sheet
TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = 1.8 V, DRVDD = 1.8 V, sample rate = maximum rate per speed grade, DCS enabled, 1.75 V p-p differential input, VIN = −1.0 dBFS,
32k sample, TA = 25°C, unless otherwise noted.
0
–20
THIRD HARMONIC
SECOND HARMONIC
–40
–60
–80
–100
–120
–140
10
0
20
30
40
50
60
70
80
FREQUENCY (MHz)
170MSPS
90.1MHz @ –1dBFS
SNR = 71.82dB (72.2dBFS)
SFDR = 93dBc
Figure 4. AD9642-170 Single-Tone FFT with fIN = 90.1 MHz
0
–20
THIRD HARMONIC
SECOND HARMONIC
–40
–60
–80
–100
–120
–140
10
0
20
30
40
50
60
70
80
FREQUENCY (MHz)
170MSPS
185.1MHz @ –1dBFS
SNR = 70.2dB (71.2dBFS)
SFDR = 86dBc
Figure 5. AD9642-170 Single-Tone FFT with fIN = 185.1 MHz
0
–20
THIRD HARMONIC
SECOND HARMONIC
–40
–60
–80
–100
–120
–140
10
0
20
30
40
50
60
70
80
FREQUENCY (MHz)
170MSPS
220.1MHz @ –1dBFS
SNR = 69.7dB (70.7dBFS)
SFDR = 84dBc
Figure 6. AD9642-170 Single-Tone FFT with fIN = 220.1 MHz
0
–20
THIRD HARMONIC
SECOND HARMONIC
–40
–60
–80
–100
–120
–140
10
0
20
30
40
50
60
70
80
FREQUENCY (MHz)
170MSPS
305.1MHz @ –1dBFS
SNR = 68.0dB (69.0dBFS)
SFDR = 86dBc
Figure 7. AD9642-170 Single-Tone FFT with fIN = 305.1 MHz
120
100
80
60
40
20
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
0
INPUT AMPLITUDE (dBFS)
SFDR (dBFS)
SNR (dBFS)
SFDR (dBc)
SNR (dBc)
Figure 8. AD9642-170 Single-Tone SNR/SFDR vs. Input Amplitude (AIN)
with fIN = 90.1 MHz, fS = 170 MSPS
60
65
70
75
80
85
90
95
100
60
75
90
105
120
135
150
165
180
195
210
225
240
255
270
285
300
315
330
345
FREQUENCY (MHz)
SFDR (dBc)
SNR (dBFS)
Figure 9. AD9642-170 Single-Tone SNR/SFDR vs. Input Frequency (fIN),
fS = 170 MSPS
Rev. B | Page 10 of 28



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