AD9261 Analog Devices, AD9261 Datasheet - Page 10

• 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

AD9261
All power supplies set to 1.8 V, 640 MHz sample rate, 2 V p-p differential input, 0.5 V internal reference, PLL disabled, AIN = −2.0 dBFS,
10 MHz bandwidth, output data rate 40 MSPS, T
–100
–120
–140
–160
–100
–120
–140
–160
–100
–120
–140
–160
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
0
0
0
0
0
0
Figure 10. Single-Tone FFT with f
Figure 8. Single-Tone FFT with f
Figure 9. Single-Tone FFT with f
2
2
2
4
4
4
6
6
6
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
8
8
8
10
10
10
12
12
12
BANDWIDTH: 10MHz
DATA RATE: 40MSPS
f
SNR: 83.2dB
SFDR: 92.6dBc
BANDWIDTH: 10MHz
DATA RATE: 40MSPS
f
SNR: 83.1dB
SFDR: 91.5dBc
BANDWIDTH: 10MHz
DATA RATE: 40MSPS
f
SNR: 83dB
SFDR: 105.7dBc
IN
IN
IN
IN
IN
IN
: 2.4MHz AT –2dBFS
: 4.2MHz AT –2dBFS
: 8.4MHz AT –2dBFS
= 2.4 MHz
= 4.2 MHz
= 8.4 MHz
14
14
14
16
16
16
A
= 25°C, unless otherwise noted.
18
18
18
20
20
20
Rev. 0 | Page 10 of 28
–100
–120
–140
–160
–100
–120
–140
–160
–100
–120
–140
–160
Figure 11. Two-Tone FFT with f
Figure 12. Two-Tone FFT with f
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
Figure 13. Two-Tone FFT with f
0
0
0
0
0
0
2
2
2
4
4
4
6
6
6
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
8
8
8
IN1
IN1
IN1
10
10
10
= 7.2 MHz and f
= 2.1 MHz and f
= 3.6 MHz and f
12
12
12
BANDWIDTH: 10MHz
DATA RATE: 40MSPS
f
f
SFDR: 92.2dBc
BANDWIDTH: 10MHz
DATA RATE: 40MSPS
f
f
SFDR: 91.2dBc
BANDWIDTH: 10MHz
DATA RATE: 40MSPS
f
f
SFDR: 93dBc
IN1
IN2
IN1
IN2
IN1
IN2
: 3.6MHz AT –8dBFS
: 4.2MHz AT –8dBFS
: 2.1MHz AT –8dBFS
: 2.4MHz AT –8dBFS
: 7.2MHz AT –8dBFS
: 8.4MHz AT –8dBFS
14
14
14
IN2
IN2
IN2
16
16
16
= 8.4 MHz
= 2.4 MHz
= 4.2 MHz
18
18
18
20
20
20