AD9650 Analog Devices, AD9650 Datasheet - Page 25

• 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
Figure 55. AD9650-105 Single-Tone SNR/SFDR vs. Input Amplitude (A
Figure 56. AD9650-105 Single Tone SNR/SFDR vs. Input Amplitude (A
Figure 57. AD9650-105 Single-Tone SNR/SFDR vs. Input Frequency (f
100
95
90
85
80
75
70
65
120
100
120
115
110
105
100
0
80
60
40
20
95
90
85
80
75
70
–100
–100
0
with f
SNR (–40°C)
SFDR (–40°C)
SNR (+25°C)
SFDR (+25°C)
SNR (+85°C)
SFDR (+85°C)
SNR (dBFS) DITHER OFF
SNR (dBFS) DITHER ON
–90
–90
50
IN
= 30.3 MHz with and Without Dither Enabled
–80
–80
SFDR (dBc)
INPUT FREQUENCY (MHz)
100
SFDR (dBFS) DITHER OFF
–70
–70
INPUT AMPLITUDE (dBFS)
INPUT AMPLITUDE (dBFS)
with f
SNR (dBFS)
–60
–60
IN
150
= 30.3 MHz
–50
–50
SFDR (dBFS) DITHER ON
–40
–40
200
SFDR
SNR
SNR (dB)
–30
–30
SFDR (dBFS)
250
–20
–20
–10
–10
300
100
90
80
70
60
50
40
30
20
10
0
0
0
IN
IN
IN
Rev. A | Page 25 of 44
)
)
)
Figure 59. AD9650-105 Two-Tone FFT with f
Figure 60. AD9650-105 Two-Tone SFDR/IMD3 vs. Input Amplitude (A
Figure 58. AD9650-105 Single-Tone SNR/SFDR vs. Sample Rate (f
–100
–120
–140
–100
–120
–140
105
100
–20
–40
–60
–80
–20
–40
–60
–80
95
90
85
80
75
0
0
85
–90
0
IMD3 (dBc)
with f
105MSPS
30.8MHz @ –7dBFS
25.4MHz @ –7dBFS
SFDR = 86.6dBc (93.6dBFS)
SFDR (dBFS)
IMD3 (dBFS)
–80
90
IN1
= 25.4 MHz, f
10
SFDR (dBc)
–70
95
SFDR
SNR
INPUT AMPLITUDE (dBFS)
with f
SAMPLE RATE (MSPS)
–60
100
FREQUENCY (MHz)
20
IN2
IN
= 30 MHz
= 30.8 MHz, f
–50
105
IN1
30
–40
= 25.4 MHz and f
110
S
–30
= 105 MSPS
115
40
–20
120
IN2
AD9650
= 30.8 MHz
–10
50
125
S
)
IN
)