AD9649 Analog Devices, AD9649 Datasheet - Page 14
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AD9649
Manufacturer Part Number
AD9649
Description
14-Bit, 20/40/65/80 MSPS, 1.8 V Analog-to-Digital Converter
Manufacturer
Analog Devices
Datasheet
1.AD9649.pdf
(32 pages)
Specifications of AD9649
Resolution (bits)
14bit
# Chan
1
Sample Rate
80MSPS
Interface
Par
Analog Input Type
Diff-Uni
Ain Range
2 V p-p
Adc Architecture
Pipelined
Pkg Type
CSP
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AD9649-40
AVDD = 1.8 V; DRVDD = 1.8 V, maximum sample rate, 2 V p-p differential input, 1.0 V internal reference; AIN = −1.0 dBFS, 50% duty cycle
clock, unless otherwise noted.
–105
–120
–105
–120
–15
–30
–45
–60
–75
–90
–15
–30
–45
–60
–75
–90
Figure 22. AD9649-40 Single-Tone FFT with f
Figure 21. AD9649-40 Single-Tone FFT with f
0
0
40MSPS
9.7MHz @ –1dBFS
SNR = 73.5dB (74.5dBFS)
SFDR = 95.4dBc
40MSPS
30.5MHz @ –1dBFS
SNR = 73.2dB (74.2dBFS)
SFDR = 95.7dBc
4
2
2
4
4
4
6
6
FREQUENCY (MHz)
FREQUENCY (MHz)
5
8
8
5
10
10
3
3
12
12
14
14
IN
IN
= 30.5 MHz
= 9.7 MHz
16
16
6
18
18
6
2
2
Rev. 0 | Page 14 of 32
Figure 23. AD9649-40 SNR/SFDR vs. Input Amplitude (AIN) with f
120
100
80
60
40
20
0
–90
–80
SNRFS
INPUT AMPLITUDE (dBFS)
–60
SFDR
SFDRFS
–40
SNR
–20
AD9649
IN
= 9.7 MHz
0