AD9649BCPZ-65 Analog Devices Inc, AD9649BCPZ-65 Datasheet - Page 12

• 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

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.
Figure 11. AD9649-80 SNR/SFDR vs. Sample Rate with AIN = 9.7 MHz
120
100
100
–0.1
–0.2
–0.3
–0.4
–0.5
80
60
40
20
90
80
70
60
50
40
30
20
10
0.5
0.4
0.3
0.2
0.1
0
0
Figure 10. AD9649-80 SNR/SFDR vs. Input Frequency (AIN)
10
0
0
0
Figure 12. AD9649-80 DNL Error with f
2048
20
50
4096
30
with 2 V p-p Full Scale
INPUT FREQUENCY (MHz)
SAMPLE RATE (MSPS)
6144
SNR (dBFS)
SNR (dBFS)
OUTPUT CODE
SFDR (dBc)
40
100
8192
SFDR (dBc)
50
10,240 12,288 14,336 16,384
60
IN
150
= 9.7 MHz
70
200
80
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Figure 13. AD9649-80 SNR/SFDR vs. Input Amplitude (AIN) with f
450,000
400,000
350,000
300,000
250,000
200,000
150,000
100,000
–0.5
–1.0
–1.5
–2.0
120
100
50,000
2.0
1.5
1.0
0.5
80
60
40
20
0
0
–90
0
0
Figure 14. AD9649-80 Grounded Input Histogram
N – 4 N – 3 N – 2 N – 1
–80
2048
Figure 15. AD9649-80 INL with f
SNRFS
4096
INPUT AMPLITUDE (dBFS)
–60
6144
SFDR
OUTPUT CODE
SFDRFS
OUTPUT CODE
8192
–40
N
10,240 12,288 14,336 16,384
SNR
N + 1 N + 2 N + 3 N + 4
IN
= 9.7 MHz
–20
AD9649
IN
= 9.7 MHz
0