AD9649BCPZ-20 Analog Devices Inc, AD9649BCPZ-20 Datasheet - Page 15
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AD9649BCPZ-20
Manufacturer Part Number
AD9649BCPZ-20
Description
IC ADC 14BIT 20MSPS 32LFCSP
Manufacturer
Analog Devices Inc
Datasheet
1.AD9649BCPZRL7-20.pdf
(32 pages)
Specifications of AD9649BCPZ-20
Data Interface
Serial, SPI™
Number Of Bits
14
Sampling Rate (per Second)
20M
Number Of Converters
1
Power Dissipation (max)
51.8mW
Voltage Supply Source
Analog and Digital
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
32-VFQFN, CSP Exposed Pad
Resolution (bits)
14bit
Sampling Rate
20MSPS
Input Channel Type
Differential
Supply Voltage Range - Analog
1.7V To 1.9V
Supply Voltage Range - Digital
1.7V To 3.6V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AD9649BCPZ-20
Manufacturer:
AD
Quantity:
3 100
AD9649-20
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, 50% duty cycle
clock, unless otherwise noted.
–105
–120
–105
–120
–15
–30
–45
–60
–75
–90
–15
–30
–45
–60
–75
–90
Figure 25. AD9649-20 Single-Tone FFT with f
Figure 24. AD9649-20 Single-Tone FFT with f
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
950k
950k
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
5
= 30.5 MHz
= 9.7 MHz
3
5
3
Rev. 0 | Page 15 of 32
Figure 26. AD9649-20 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
–10
AD9649
IN
= 9.7 MHz
0