AD9640 Analog Devices, AD9640 Datasheet - Page 21

• 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

–100
–120
–100
–120
–100
–120
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
Figure 24. AD9640-125 Single-Tone FFT with f
Figure 22. AD9640-150 Single-Tone FFT with f
Figure 23. AD9640-125 Single-Tone FFT with f
0
0
0
0
0
0
10
SECOND HARMONIC
10
10
SECOND HARMONIC
THIRD HARMONIC
20
20
20
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
30
THIRD HARMONIC
30
30
40
125 MSPS
2.3MHz @ –1dBFS
SNR = 72.3dBc (73.3dBFS)
ENOB = 11.8 BITS
SFDR = 88.4dBc
125 MSPS
30.3MHz @ –1dBFS
SNR = 72.1dBc (73.1dBFS)
ENOB = 11.8 BITS
SFDR = 89.1dBc
THIRD HARMONIC
150MSPS
440MHz @ –1dBFS
SNR = 65dBc (66dBFS)
ENOB = 10.4 BITS
SFDR = 70.0dB
40
40
50
SECOND HARMONIC
IN
IN
IN
= 30.3 MHz
= 440 MHz
60
50
= 2.3 MHz
50
70
60
60
Rev. B | Page 21 of 52
–100
–120
–100
–120
–100
–120
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
Figure 26. AD9640-125 Single-Tone FFT with f
Figure 27. AD9640-125 Single-Tone FFT with f
Figure 25. AD9640-125 Single-Tone FFT with f
0
0
0
0
0
0
125MSPS
70MHz @ –1dBFS
SNR = 71.8dBc (72.8dBFS)
ENOB = 11.7 BITS
SFDR = 85dBc
125 MSPS
200MHz @ –1dBFS
SNR = 70.8dBc (71.8dBFS)
ENOB = 11.6 BITS
SFDR = 80.5dBc
SECOND HARMONIC
THIRD HARMONIC
10
10
10
20
20
20
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
SECOND HARMONIC
SECOND HARMONIC
30
30
30
THIRD HARMONIC
125 MSPS
140MHz @ –1dBFS
SNR = 71.4dBc (72.4dBFS)
ENOB = 11.7 BITS
SFDR = 87.1dBc
40
40
40
THIRD HARMONIC
IN
IN
IN
50
= 140 MHz
= 200 MHz
50
50
= 70 MHz
AD9640
60
60
60