AD9262 Analog Devices, AD9262 Datasheet - Page 10

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AD9262

Manufacturer Part Number
AD9262
Description
16-Bit, 2.5 MHz/5 MHz/10 MHz, 30 MSPS to 160 MSPS Dual Continuous Time Sigma-Delta ADC
Manufacturer
Analog Devices
Datasheet

Specifications of AD9262

Resolution (bits)
16bit
# Chan
2
Sample Rate
160MSPS
Interface
Par
Analog Input Type
Diff-Uni
Ain Range
2 V p-p
Adc Architecture
Sigma-Delta
Pkg Type
CSP
AD9262
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
AD9262BCPZ
A
= 25°C, output data rate 40 MSPS, unless otherwise noted.
–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
Figure 5. AD9262BCPZ Single-Tone FFT with f
Figure 6. AD9262BCPZ Single-Tone FFT with f
Figure 4. AD9262BCPZ Single-Tone FFT with f
0
0
0
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: 2.5MHz
DATA RATE: 40MSPS
f
SNR: 87.9dB
SFDR: 88.2dBc
BANDWIDTH: 2.5MHz
DATA RATE: 40MSPS
f
SNR: 87.7dB
SFDR: 87.1dBc
BANDWIDTH: 2.5MHz
DATA RATE: 40MSPS
f
SNR: 87.8dB
SFDR: 106.6dBc
IN
IN
IN
: 600kHz AT –2dBFS
: 1.2MHz AT –2dBFS
: 2.4MHz AT –2dBFS
14
14
14
IN
IN
IN
16
16
= 1.2 MHz
16
= 2.4 MHz
= 600 kHz
18
18
18
20
20
20
Rev. A | Page 10 of 32
Figure 7. AD9262BCPZ Single-Tone SNR and SFDR vs. Input Amplitude
Figure 8. AD9262BCPZ Two-Tone FFT with f
–100
–120
–140
–160
–100
–120
Figure 9. AD9262BCPZ Two-Tone SFDR/IMD3 vs. Input Amplitude
–20
–40
–60
–80
120
100
–20
–40
–60
–80
80
60
40
20
–100
0
0
–100
0
0
–90
–90
2
–80
with f
–80
4
SFDR (dBFS)
–70
IN1
SNR (dBFS)
SFDR (dBc)
INPUT AMPLITUDE (dBFS)
6
–70
INPUT AMPLITUDE (dBFS)
with f
SFDR (dBFS)
= 1.8 MHz, f
FREQUENCY (MHz)
–60
8
–60
IN
= 600 kHz
–50
10
SNR (dB)
–50
IN2
–40
= 2.1 MHz
12
SFDR (dBc)
IN1
BANDWIDTH: 2.5MHz
DATA RATE: 40MSPS
f
f
SFDR: –91.7dBc
–40
IN1
IN2
= 1.8 MHz, f
–30
: 1.8MHz AT –8dBFS
: 2.1MHz AT –8dBFS
14
–30
–20
16
–20
IN2
–10
= 2.1 MHz
18
–10
0
20

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