AD9261 Analog Devices, AD9261 Datasheet - Page 11

• Manufacturer Part Number: AD9261
• Description: 16-Bit, 10 MHz Bandwidth, 30 MSPS to 160 MSPS Continuous Time Sigma-Delta ADC
• Manufacturer: Analog Devices

Specifications of AD9261

• Resolution (bits): 16bit
• # Chan: 1
• Sample Rate: 160MSPS
• Interface: Par
• Analog Input Type: Diff-Uni
• Ain Range: 2 V p-p
• Adc Architecture: Sigma-Delta
• Pkg Type: CSP

Figure 14. Single-Tone SNR and SFDR vs. Input Amplitude with f
–100
–110
–120
120
100
94
92
90
88
86
84
82
80
Figure 16: SNR/SFDR vs. Output Data Rate with f
–40
–50
–60
–70
–80
–90
80
60
40
20
–100
20
0
–60
Figure 15. Two-Tone SFDR/IMD3 vs. Input Amplitude
SFDR (dBFS)
SNR (dBFS)
–90
40
with f
–80
–50
IN1
60
OUTPUT DATA RATE (MSPS)
–70
INPUT AMPLITUDE (dBFS)
= 2.1 MHz and f
INPUT AMPLITUDE (dBFS)
SFDR (dB)
–40
–60
SFDR (dBc)
80
SNR (dBc)
SFDR (dBc)
–50
SFDR (dB)
SNR (dB)
100
–30
IN2
–40
= 2.4 MHz
120
–30
–20
–20
IN
140
= 2.4 MHz
–10
IN
–10
= 2.4 MHz
160
0
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Figure 19. SNR vs. Input Common Mode Voltage with f
84.0
83.8
83.6
83.4
83.2
83.0
82.8
82.6
82.4
82.2
82.0
110
105
100
92
91
90
89
88
87
86
85
84
83
82
81
95
90
85
80
1.700
–60
Figure 18. SFDR/SNR vs. Temperature with f
0
1.9V
1.8V
1.7V
1.725
1
–40
Figure 17. SNR/SFDR vs. Input Frequency
SFDR (dBc)
SNR (dB)
2
1.750
–20
COMMON-MODE VOLTAGE (V)
3
TEMPERATURE (°C)
1.775
FREQUENCY (MHz)
0
SFDR
4
SNR
1.800
20
5
1.825
6
40
7
1.850
60
IN
= 2.4 MHz
8
1.875
IN
80
= 2.4 MHz
AD9261
9
1.9V
1.8V
1.7V
1.900
100
10