AD9248 Analog Devices, AD9248 Datasheet - Page 14

• Manufacturer Part Number: AD9248
• Description: Dual 14-Bit, 20/40/65 MSPS, 3 V Analog-to-Digital Converter
• Manufacturer: Analog Devices

Specifications of AD9248

• Resolution (bits): 14bit
• # Chan: 2
• Sample Rate: 65MSPS
• Interface: Par
• Analog Input Type: Diff-Uni,SE-Uni
• Ain Range: 1 V p-p,2 V p-p,Uni 1.0V,Uni 2.0V
• Adc Architecture: Pipelined
• Pkg Type: QFP

AD9248
–100
–100
–100
–120
–120
–120
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
Figure 19. Dual-Tone FFT with f
Figure 17. Dual-Tone FFT with f
Figure 18. Dual-Tone FFT with f
0
0
0
0
0
0
–83dBc
IMD =
5
5
5
10
10
10
IMD = –85dBc
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
15
15
15
IN
IN
IN
1 = 200 MHz and f
1 = 39 MHz and f
1 = 70 MHz and f
20
20
20
25
25
25
IN
IN
IN
2 = 40 MHz
2 = 71 MHz
2 = 201 MHz
30
30
30
Rev. B | Page 14 of 48
Figure 20. Dual-Tone SFDR/SNR vs. A
Figure 21. Dual-Tone SFDR/SNR vs. A
100
100
100
65
60
65
60
65
60
95
90
85
80
75
70
95
90
85
80
75
70
95
90
85
80
75
70
–24
–24
–24
A
–21
–21
–21
IN
with f
Figure 22. Dual-Tone SFDR/SNR vs.
IN
INPUT AMPLITUDE (dBFS)
INPUT AMPLITUDE (dBFS)
INPUT AMPLITUDE (dBFS)
SNR
SNR
SFDR
SFDR
SNR
1 = 200 MHz and f
SNR
–18
SNR
SFDR
–18
–18
SNR
–15
IN
–15
IN
–15
with f
with f
IN
IN
IN
1 = 45 MHz and f
1 = 70 MHz and f
–12
–12
–12
2 = 201 MHz
–9
–9
–9
IN
IN
2 = 46 MHz
2 = 71 MHz
–6
–6
–6