AD9626 Analog Devices, AD9626 Datasheet - Page 15

• Manufacturer Part Number: AD9626
• Description: 12-Bit, 170 MSPS/210 MSPS/250 MSPS, 1.8 V Analog-to-Digital Converter
• Manufacturer: Analog Devices

Specifications of AD9626

• Resolution (bits): 12bit
• # Chan: 1
• Sample Rate: 250MSPS
• Interface: Par
• Analog Input Type: Diff-Uni
• Ain Range: 1 V p-p,1.25 V p-p,1.5 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

Figure 30. AD9626-250 64k Point Single-Tone FFT; 250 MSPS, 10.3 MHz
Figure 31. AD9626-250 64k Point Single-Tone FFT; 250 MSPS, 70.3 MHz
–0.2
–0.4
–0.6
–0.8
–1.0
–100
–120
–140
–100
–120
–140
1.0
0.8
0.6
0.4
0.2
–20
–40
–60
–80
–20
–40
–60
–80
0
0
0
0
0
0
250MSPS
70.3MHz @ –1.0dBFS
SNR: 63.8dB
ENOB: 10.6 BITS
SFDR: 80dBc
512
Figure 29. AD9626-210 DNL; 210 MSPS
20
20
1024
40
40
1536
FREQUENCY (MHz)
FREQUENCY (MHz)
OUTPUT CODE
2048
60
60
2560
80
80
250MSPS
10.3MHz @ –1.0dBFS
SNR: 64.0dB
ENOB: 10.5 BITS
SFDR: 83dBc
3072
100
100
3584
120
120
4096
Rev. 0 | Page 15 of 36
Figure 34. AD9626-250 Single-Tone SNR/SFDR vs. Input Frequency (f
Figure 32. AD9626-250 64k Point Single-Tone FFT; 250 MSPS, 170.3 MHz
–100
–120
–140
Figure 33. AD9626-250 Grounded Input Histogram; 250 MSPS
–20
–40
–60
–80
35k
30k
25k
20k
15k
10k
90
85
80
75
70
65
60
55
50
5k
0
0
0
0
N – 4
Temperature with 1.25 V p-p Full Scale; 250 MSPS
250MSPS
170MHz @ –1.0dBFS
SNR: 62.9dB
ENOB: 10.2 BITS
SFDR: 72dBc
SNR (+85°C)
50
SNR (–40°C)
N – 3 N – 2 N – 1
20
100
ANALOG INPUT FREQUENCY (MHz)
150
40
FREQUENCY (MHz)
SFDR (–40°C)
200
SNR (+25°C)
SFDR (+25°C)
250
60
BIN
N
300
N + 1 N + 2 N + 3 N + 4
80
350
SFDR (+85°C)
400
100
450
AD9626
120
500
IN
) and