AD9648 Analog Devices, AD9648 Datasheet - Page 19

• Manufacturer Part Number: AD9648
• Description: 14-Bit, 125 MSPS/105 MSPS, 1.8 V Dual Analog-to-Digital Converter
• Manufacturer: Analog Devices

Specifications of AD9648

• Resolution (bits): 14bit
• # Chan: 2
• Sample Rate: 125MSPS
• Interface: Par
• Analog Input Type: Diff-Uni
• Ain Range: (2Vref) p-p,2 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

TYPICAL PERFORMANCE CHARACTERISTICS
AD9648-125
AVDD = 1.8 V, DRVDD = 1.8 V, maximum sample rate, VIN = −1.0 dBFS differential input, 1.0 V internal reference, and DCS enabled, unless
otherwise noted.
–100
–120
–100
–120
–20
–40
–60
–80
–100
–120
–20
–40
–60
–80
–20
–40
–60
–80
0
0
0
0
0
0
125MSPS
70.1MHz AT –1dBFS
SNR = 73.8dB (74.8dBFS)
SFDR = 95.8dBc
125MSPS
30.5MHz AT –1dBFS
SNR = 74.0dB (75.0dBFS)
SFDR = 86.0dBc
Figure 10. Single-Tone FFT with f
Figure 11. Single-Tone FFT with f
Figure 9. Single-Tone FFT with f
10
10
10
20
20
20
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
30
30
30
125MSPS
9.7MHz AT –1dBFS
SNR = 74.4dB (75.4dBFS)
SFDR = 95.4dBc
40
40
40
IN
IN
IN
= 9.7 MHz
= 30.5 MHz
= 70.1 MHz
50
50
50
60
60
60
Rev. 0 | Page 19 of 44
–100
–120
–100
–120
–20
–40
–60
–80
–20
–40
–60
–80
0
0
0
0
125MSPS
200.5MHz AT –1dBFS
SNR = 70.9dB (71.9dBFS)
SFDR = 83.6dBc
Figure 12. Single-Tone FFT with f
Figure 13. Single-Tone FFT with f
10
10
20
20
FREQUENCY (MHz)
FREQUENCY (MHz)
30
30
125MSPS
100.5MHz AT –1dBFS
SNR = 73.3dB (74.3dBFS)
SFDR = 92.3dBc
40
IN
40
IN
= 100.5 MHz
= 200.5 MHz
50
50
AD9648
60
60