AD9640 Analog Devices, AD9640 Datasheet - Page 20

• 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
TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = 1.8 V; DVDD = 1.8 V; DRVDD = 3.3 V; sample rate = 150 MSPS, DCS enabled, 1 V internal reference;
2 V p-p differential input; VIN = −1.0 dBFS; and 64k sample; T
–100
–120
–100
–120
–100
–120
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
Figure 17. AD9640-150 Single-Tone FFT with f
Figure 16. AD9640-150 Single-Tone FFT with f
Figure 18. AD9640-150 Single-Tone FFT with f
0
0
0
0
0
0
150MSPS
70MHz @ –1dBFS
SNR = 71.5dBc (72.5dBFS)
ENOB = 11.7 BITS
SFDR = 84dBc
SECOND HARMONIC
SECOND HARMONIC
10
10
10
20
20
20
THIRD HARMONIC
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
30
30
30
THIRD HARMONIC
THIRD HARMONIC
40
40
40
150MSPS
2.3MHz @ –1dBFS
SNR = 71.9dBc (72.9dBFS)
ENOB = 11.8 BITS
SFDR = 86dBc
150MSPS
30.3MHz @ –1dBFS
SNR = 71.7dBc (72.7dBFS)
ENOB = 11.8 BITS
SFDR = 89.9dBc
50
SECOND HARMONIC
50
50
IN
IN
IN
= 30.3 MHz
= 2.3 MHz
60
60
60
= 70 MHz
70
70
70
Rev. B | Page 20 of 52
A
= 25°C, unless otherwise noted.
–100
–120
–100
–120
–100
–120
Figure 19. AD9640-150 Single-Tone FFT with f
Figure 20. AD9640-150 Single-Tone FFT with f
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
Figure 21. AD9640-150 Single-Tone FFT with f
0
0
0
0
0
0
150MSPS
200.3MHz @ –1dBFS
SNR = 70dBc (71dBFS)
ENOB = 11.5 BITS
SFDR = 80dBc
THIRD HARMONIC
10
10
10
THIRD HARMONIC
20
20
20
SECOND HARMONIC
SECOND HARMONIC
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
30
30
30
THIRD HARMONIC
40
40
40
150MSPS
140.3MHz @ –1dBFS
SNR = 70.9dBc (71.9dBFS)
ENOB = 11.6 BITS
SFDR = 85.1dBc
SECOND HARMONIC
150MSPS
337MHz @ –1dBFS
SNR = 68dBc (69dBFS)
ENOB = 11 BITS
SFDR = 72.4dB
50
50
50
IN
IN
IN
= 140.3 MHz
= 200.3 MHz
= 337 MHz
60
60
60
70
70
70