AD9251BCPZ-20 Analog Devices Inc, AD9251BCPZ-20 Datasheet - Page 15
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AD9251BCPZ-20
Manufacturer Part Number
AD9251BCPZ-20
Description
14 BIT DUAL 20/ Msps Low Power ADC
Manufacturer
Analog Devices Inc
Datasheet
1.AD9251BCPZRL7-20.pdf
(36 pages)
Specifications of AD9251BCPZ-20
Number Of Bits
14
Sampling Rate (per Second)
20M
Data Interface
Serial, SPI™
Number Of Converters
2
Power Dissipation (max)
77mW
Voltage Supply Source
Analog and Digital
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
64-LFCSP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AD9251BCPZ-20
Manufacturer:
MICRON
Quantity:
1 156
AD9251-65
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, DCS
disabled, unless otherwise noted.
–105
–120
–105
–120
–105
–120
–15
–30
–45
–60
–75
–90
–15
–30
–45
–60
–75
–90
–15
–30
–45
–60
–75
–90
0
0
0
65MSPS
30.5MHz @ –1dBFS
SNR = 73.3dB (74.3dBFS)
SFDR = 99.3dBc
Figure 19. Single-Tone FFT with f
Figure 20. Single-Tone FFT with f
Figure 18. Single-Tone FFT with f
3
3
3
2
6
6
6
6
4
9
9
9
2
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
12
12
12
6
15
15
15
3
5
18
18
18
65MSPS
9.7MHz @ –1dBFS
SNR = 73.5dB (74.5dBFS)
SFDR = 97.7dBc
65MSPS
70.3MHz @ –1dBFS
SNR = 72.6dB (73.6dBFS)
SFDR = 94.1dBc
2
21
21
IN
21
IN
IN
4
= 70.3 MHz
= 30.5 MHz
= 9.7 MHz
5
24
24
24
4
27
5
27
3
27
3
30
30
30
6
Rev. A | Page 15 of 36
Figure 21. SNR/SFDR vs. Input Amplitude (AIN) with f
100
120
100
90
80
70
60
50
40
30
20
10
80
60
40
20
0
0
–90
0
Figure 22. SNR/SFDR vs. Input Frequency (AIN) with
–80
SNRFS
50
INPUT FREQUENCY (MHz)
INPUT AMPLITUDE (dBFS)
–60
2 V p-p Full Scale
SNR (dBFS)
SFDR
SFDRFS
100
–40
SFDR (dBc)
SNR
150
–20
IN
= 9.7 MHz
AD9251
200
0