AD9649BCPZ-65 Analog Devices Inc, AD9649BCPZ-65 Datasheet - Page 14

• Manufacturer Part Number: AD9649BCPZ-65
• Description: IC ADC 14BIT 65MSPS 32LFCSP
• Manufacturer: Analog Devices Inc

Specifications of AD9649BCPZ-65

• Data Interface: Serial, SPI™
• Number Of Bits: 14
• Sampling Rate (per Second): 65M
• Number Of Converters: 1
• Power Dissipation (max): 87.5mW
• 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: 65MSPS
• 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

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
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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