AD9648 Analog Devices, AD9648 Datasheet - Page 22

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AD9648

Manufacturer Part Number
AD9648
Description
14-Bit, 125 MSPS/105 MSPS, 1.8 V Dual Analog-to-Digital Converter
Manufacturer
Analog Devices
Datasheet

Specifications of AD9648

Resolution (bits)
14bit
# Chan
2
Sample Rate
125MSPS
Interface
Par
Analog Input Type
Diff-Uni
Ain Range
(2Vref) p-p,2 V p-p
Adc Architecture
Pipelined
Pkg Type
CSP

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Manufacturer
Quantity
Price
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Manufacturer:
AD
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Part Number:
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Manufacturer:
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Quantity:
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Part Number:
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Manufacturer:
AD
Quantity:
456
AD9648
AD9648-105
AVDD = 1.8 V, DRVDD = 1.8 V, maximum sample rate, VIN = −1.0 dBFS differential input, 1.0 V internal reference, and DCS enabled, unless
otherwise noted.
–100
–120
–100
–120
–100
–120
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
0
0
0
0
0
0
105MSPS
70.1MHz AT –1dBFS
SNR = 73.9dB (74.9dBFS)
SFDR = 94.9dBc
105MSPS
30.5MHz AT –1dBFS
SNR = 74.5dB (75.5dBFS)
SFDR = 89.9dBc
Figure 24. Single-Tone FFT with f
Figure 25. Single-Tone FFT with f
Figure 23. Single-Tone FFT with f
10
10
10
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
20
20
20
30
30
30
105MSPS
9.7MHz AT –1dBFS
SNR = 74.7dB (75.7dBFS)
SFDR = 98.7dBc
IN
IN
IN
= 30.5 MHz
= 70.1 MHz
= 9.7 MHz
40
40
40
50
50
50
Rev. 0 | Page 22 of 44
–100
–120
–20
–40
–60
–80
–100
–120
0
–20
–40
–60
–80
0
0
0
Figure 26. Single-Tone FFT with f
Figure 27. Single-Tone FFT with f
10
10
FREQUENCY (MHz)
FREQUENCY (MHz)
20
20
30
30
105MSPS
100.5MHz AT –1dBFS
SNR = 73.4dB (74.4dBFS)
SFDR = 94.9dBc
105MSPS
200.5MHz AT –1dBFS
SNR = 69.5dB (70.5dBFS)
SFDR = 82.6dBc
IN
IN
= 100.5 MHz
= 200.5 MHz
40
40
50
50

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