AD9640 Analog Devices, AD9640 Datasheet - Page 24

• Manufacturer Part Number: AD9640
• Description: 14-Bit, 80/105/125/150 MSPS, 1.8 V Dual Analog-to-Digital Converter
• Manufacturer: Analog Devices

Specifications of AD9640

• Resolution (bits): 14bit
• # Chan: 2
• Sample Rate: 150MSPS
• Interface: Par
• Analog Input Type: Diff-Uni
• Ain Range: 1 V p-p,2 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

AD9640
–0.4.
–0.5
–1.0
–1.5
–2.0
–0.1
–0.2
–0.3
–0.5
2.0
1.5
1.0
0.5
0.5
0.4
0.3
0.2
0.1
10
8
6
4
2
0
0
0
0
0
N – 4
Figure 40. AD9640 Grounded Input Histogram
Figure 42. AD9640 DNL with f
2048
2048
Figure 41. AD9640 INL with f
N – 3 N – 2 N – 1
4096
4096
6144
6144
OUTPUT CODE
OUTPUT CODE
OUTPUT CODE
8192
8192
N
10,240 12,288 14,336
10,240 12,288 14,336
N + 1 N + 2 N + 3 N + 4
IN
IN
= 10.3 MHz
= 10.3 MHz
1.3 LSB rms
16,384
16,384
Rev. B | Page 24 of 52
Figure 44. AD9640 SNR/SFDR vs. Input Common Mode Voltage (VCM)
Figure 43. AD9640 SNR/SFDR vs. Duty Cycle with f
100
95
90
85
80
75
70
65
85
80
75
60
90
70
0.5
20
SFDR DCS ON
0.6
SFDR DCS OFF
SFDR
SNR
INPUT COMMON-MODE VOLTAGE (V)
0.7
40
with f
0.8
DUTY CYCLE (%)
IN
= 30 MHz
0.9
1.0
SNR DCS OFF
SNR DCS ON
60
1.1
IN
= 10.3 MHz
1.2
1.3
80