AD9650 Analog Devices, AD9650 Datasheet - Page 21

• Manufacturer Part Number: AD9650
• Description: 16-bit, 25 MSPS/65 MSPS/80 MSPS/105 MSPS Analog-to-Digital Converter
• Manufacturer: Analog Devices

Specifications of AD9650

• Resolution (bits): 16bit
• # Chan: 2
• Sample Rate: 105MSPS
• Interface: LVDS,Par
• Analog Input Type: Diff-Bip
• Ain Range: (2Vref) p-p,2.7 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

Data Sheet
AD9650-80
–100
–120
–140
–100
–120
–140
–100
–120
–140
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
Figure 36. AD9650-80 Single-Tone FFT with f
Figure 37. AD9650-80 Single-Tone FFT with f
0
0
0
Figure 35. AD9650-80 Single-Tone FFT with f
0
0
0
80MSPS
30.3MHz @ –1dBFS
SNR = 81.8dB (82.8dBFS)
SFDR = 94.5dBc
5
5
5
10
10
10
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
15
15
15
20
20
20
80MSPS
9.7MHz @ –1dBFS
SNR = 82.2dB (83.2dBFS)
SFDR = 95.8dBc
25
25
25
80MSPS
70.1MHz @ –1dBFS
SNR = 80dB (81dBFS)
SFDR = 86.4dBc
30
30
30
IN
IN
IN
= 30.3 MHz
= 70.1 MHz
= 9.7 MHz
35
35
35
40
40
40
Rev. A | Page 21 of 44
Figure 39. AD9650-80 Single-Tone FFT with f
Figure 40. AD9650-80 Single-Tone FFT with f
–100
–120
–140
–100
–120
–140
–100
–120
–140
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
0
Figure 38. AD9650-80 Single-Tone FFT with f
0
0
0
0
0
80MSPS
30.3MHz @ –6dBFS
SNR = 77.3dB (83.3dBFS)
SFDR = 94.3dBc
80MSPS
30.3MHz @ –6dBFS
SNR = 77dB (83dBFS)
SFDR = 98.4dBc
5
5
5
10
10
10
Dither Disabled
Dither Enabled
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
15
15
15
20
20
20
80MSPS
141MHz @ –1dBFS
SNR = 79.3dB (80.3dBFS)
SFDR = 79.2dBc
IN
IN
25
25
25
= 30.3 MHz at −6 dBFS with
= 30.3 MHz at −6 dBFS with
30
30
30
IN
= 141 MHz
35
35
35
AD9650
40
40
40