AD9261 Analog Devices, AD9261 Datasheet - Page 9

• 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

TYPICAL PERFORMANCE CHARACTERISTICS
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,
T
A
= 25°C, unless otherwise noted.
–100
–120
–140
–160
–100
–120
–140
–160
Figure 4. Single-Tone FFT with f
Figure 5. Single-Tone FFT with f
–20
–40
–60
–80
–20
–40
–60
–80
0
0
0
0
2
2
4
4
6
6
FREQUENCY (MHz)
FREQUENCY (MHz)
8
8
IN
IN
10
10
= 600 kHz and BW = 2.5 MHz
= 1.2 MHz and BW = 5 MHz
12
12
BANDWIDTH: 5MHz
DATA RATE: 40MSPS
f
SNR: 86dB
SFDR: 90.3dBc
BANDWIDTH: 2.5MHz
DATA RATE: 40MSPS
f
SNR: 88.8dB
SFDR: 90dBc
IN
IN
: 1.2MHz AT –2dBFS
: 600kHz AT –2dBFS
14
14
16
16
18
18
20
20
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Figure 6. Two-Tone FFT with f
Figure 7. Two-Tone FFT with f
–100
–120
–140
–160
–100
–120
–140
–160
–20
–40
–60
–80
–20
–40
–60
–80
0
0
0
0
2
2
4
4
6
6
IN1
IN1
FREQUENCY (MHz)
FREQUENCY (MHz)
= 2.1 MHz, f
= 2.1 MHz, f
8
8
10
10
IN2
IN2
12
12
BANDWIDTH: 2.5MHz
DATA RATE: 40MSPS
f
f
SFDR: 90.6dBc
BANDWIDTH: 5MHz
DATA RATE: 40MSPS
f
f
SFDR: 91.9dBc
IN1
IN2
= 2.5 MHz, and BW = 2.5 MHz
IN1
IN2
= 2.4 MHz and BW = 5 MHz
: 2.1MHz AT –8dBFS
: 2.5MHz AT –8dBFS
: 2.1MHz AT –8dBFS
: 2.4MHz AT –8dBFS
14
14
16
16
AD9261
18
18
20
20