AD9251BCPZRL7-65 Analog Devices Inc, AD9251BCPZRL7-65 Datasheet - Page 17
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AD9251BCPZRL7-65
Manufacturer Part Number
AD9251BCPZRL7-65
Description
14 BIT DUAL 65/ Msps Low Power ADC
Manufacturer
Analog Devices Inc
Datasheet
1.AD9251BCPZRL7-20.pdf
(36 pages)
Specifications of AD9251BCPZRL7-65
Number Of Bits
14
Sampling Rate (per Second)
65M
Data Interface
Serial, SPI™
Number Of Converters
2
Power Dissipation (max)
146.5mW
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
AD9251-20
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
–15
–30
–45
–60
–75
–90
–15
–30
–45
–60
–75
–90
0
0
20MSPS
9.7MHz @ –1dBFS
SNR = 73.5dBFS (74.5dBFS)
SFDR = 97.2dBc
20MSPS
30.5MHz @ –1dBFS
SNR = 73.2dB (74.2dBFS)
SFDR = 98.1dBc
2
Figure 27. Single-Tone FFT with f
950k
950k
Figure 26. Single-Tone FFT with f
2
4
1.90
1.90
6
4
2.85 3.80 4.75 5.70 6.65 7.60 8.55 9.50
2.85 3.80 4.75 5.70 6.65 7.60 8.55 9.50
6
FREQUENCY (MHz)
FREQUENCY (MHz)
IN
IN
= 30.5 MHz
= 9.7 MHz
5
3
5
3
Rev. A | Page 17 of 36
Figure 28. SNR/SFDR vs. Input Amplitude (AIN) with f
120
100
80
60
40
20
–100
0
–90
–80
SFDR (dBc)
–70
INPUT AMPLITUDE (dBFS)
–60
SFDR (dBFS)
SNR (dBFS)
–50
–40
SNR (dBc)
–30
–20
IN
= 9.7 MHz
–10
AD9251
0