AD9650 Analog Devices, AD9650 Datasheet - Page 15

• 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
TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = 1.8 V, DRVDD = 1.8 V, rated sample rate, DCS disabled, 1.35 V internal reference, 2.7 V p-p differential input, VIN = −1.0 dBFS,
and 32k sample, T
AD9650-25
–100
–120
–140
–100
–120
–140
–100
–120
–140
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
Figure 10. AD9650-25 Single-Tone FFT with f
Figure 9. AD9650-25 Single-Tone FFT with f
0
0
0
Figure 8. AD9650-25 Single-Tone FFT with f
0
0
0
25MSPS
9.7MHz @ –1dBFS
SNR = 82.4dB (83.4dBFS)
SFDR = 95.8dBc
2
2
2
A
= 25°C, unless otherwise noted.
4
4
4
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
6
6
6
25MSPS
30.3MHz @ –1dBFS
SNR = 80.6dB (81.6dBFS)
SFDR = 84.6dBc
25MSPS
70.1MHz @ –1dBFS
SNR = 78.5dB (79.5dBFS)
SFDR = 87.2dBFS
8
8
8
IN
IN
IN
= 30.3 MHz
= 9.7 MHz
= 70.1 MHz
10
10
10
12
12
12
Rev. A | Page 15 of 44
Figure 11. AD9650-25 Single-Tone FFT with f
Figure 12. AD9650-25 Single-Tone FFT with f
Figure 13. AD9650-25 Single-Tone SNR/SFDR vs. Input Amplitude (A
–100
–120
–140
–100
–120
–140
–20
–40
–60
–80
–20
–40
–60
–80
120
100
80
60
40
20
–100
0
0
0
0
0
25MSPS
9.7MHz @ –6dBFS
SNR = 77.9dB (83.9dBFS)
SFDR = 99dBc
25MSPS
9.7MHz @ –6dBFS
SNR = 77.4dB (83.4dBFS)
SFDR = 101.3dBc
SFDR (dBFS)
–90
2
2
SFDR (dBc)
SNR (dBFS)
–80
–70
INPUT AMPLITUDE (dBFS)
with f
4
4
Dither Disabled
SNR (dB)
Dither Enabled
FREQUENCY (MHz)
FREQUENCY (MHz)
–60
IN
= 9.7 MHz
–50
6
6
–40
IN
IN
8
= 9.7 MHz at −6 dBFS with
8
= 9.7 MHz at −6 dBFS with
–30
–20
10
10
–10
AD9650
12
12
0
IN
)