AD9626 Analog Devices, AD9626 Datasheet - Page 12

• 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

AD9626
TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = 1.8 V, DRVDD = 1.8 V, rated sample rate, DCS enabled, T
otherwise noted.
Figure 13. AD9626-170 64k Point Single-Tone FFT; 170 MSPS, 140.3 MHz
Figure 11. AD9626-170 64k Point Single-Tone FFT; 170 MSPS, 10.3 MHz
Figure 12. AD9626-170 64k Point Single-Tone FFT; 170 MSPS, 70.3 MHz
–100
–120
–140
–100
–120
–140
–100
–120
–140
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
0
0
0
0
0
0
170MSPS
70.3MHz @ –1.0dBFS
SNR: 64.4dB
ENOB: 10.5 BITS
SFDR: 79dBFS
10
10
10
20
20
20
30
30
30
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
40
40
40
50
50
50
170MSPS
140.3MHz @ –1.0dBFS
SNR: 63.7dB
ENOB: 10.4 BITS
SFDR: 80dBc
170MSPS
10.3MHz @ –1.0dBFS
SNR: 64.5dB
ENOB: 10.6 BITS
SFDR: 84dBFS
60
60
60
70
70
70
80
80
80
Rev. 0 | Page 12 of 36
A
= 25°C, 1.25 V p-p differential input, AIN = −1 dBFS, unless
Figure 15. AD9626-170 Single-Tone SNR/SFDR vs. Input Frequency (f
Figure 16. AD9626-170 SNR/SFDR vs. Input Amplitude; 140.3 MHz
Figure 14. AD9626-170 Grounded Input Histogram; 170 MSPS
100
35k
30k
25k
20k
15k
10k
90
85
80
75
70
65
60
55
50
90
80
70
60
50
40
30
20
10
5k
0
0
90
0
SFDR (dBFS)
SNR (dBFS)
SFDR (dBc)
N – 4
Temperature with 1.25 V p-p Full Scale; 170 MSPS
50
80
SFDR (+25°C)
N – 3 N – 2 N – 1
100
70
ANALOG INPUT FREQUENCY (MHz)
150
60
AMPLITUDE (–dBFS)
SFDR (–40°C)
200
SNR (+85°C)
50
SNR (+25°C)
250
BIN
SFDR (+85°C)
N
40
SNR (dB)
300
N + 1 N + 2 N + 3 N + 4
SNR (–40°C)
30
350
20
400
10
450
500
0
IN
) and