AD9218 Analog Devices, AD9218 Datasheet - Page 13

• Manufacturer Part Number: AD9218
• Description: 10-Bit, 40/65/80/105 MSPS 3 V Dual A/D Converter
• Manufacturer: Analog Devices

Specifications of AD9218

• Resolution (bits): 10bit
• # Chan: 2
• Sample Rate: 105MSPS
• Interface: Par
• Analog Input Type: Diff-Uni
• Ain Range: 1 V p-p,2 V p-p
• Adc Architecture: Pipelined
• Pkg Type: QFP

TYPICAL PERFORMANCE CHARACTERISTICS
Figure 14. FFT: FS = 105 MSPS, A
Figure 16. FFT: FS = 65 MSPS, A
Figure 15. FFT: FS = 80 MSPS, A
–100
–100
–100
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
0
0
0
0
ENCODE = 105MSPS
A
SNR = 53.8dB
SINAD = 53.4dB
H2 = –69dB
H3 = –65.8dB
ENCODE = 80MSPS
A
SNR = 56.1dB
SINAD = 55.5dB
H2 = –71.8dB
H3 = –66.2dB
ENCODE = 65MSPS
A
SNR = 56.1dB
SINAD = 55.9dB
SFDR = 72dB
H2 = –83.2dB
H3 = –79dB
IN
IN
IN
= 50.1MHz AT –0.5dBFS
= 39MHz AT –0.5dBFS
= 30.3MHz AT –0.5dBFS
1 V p-p Input Range
1 V p-p Input Range
2 V p-p Input Range
IN
IN
IN
= 30.3 MHz @ –0.5 dBFS, Differential,
= 50.1 MHz @ –0.5 dBFS, Differential,
= 39 MHz @ –0.5 dBFS, Differential,
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Rev. C | Page 13 of 28
Figure 19. FFT: FS = 65 MSPS, A
Figure 17. FFT: FS = 40 MSPS, A
Figure 18. FFT: FS = 105 MSPS A
–100
–100
–100
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
0
0
0
0
ENCODE = 65MSPS
A
SNR = 56.4dB
SINAD = 55.9dB
H2 = –73.9dB
H3 = –71.7dB
ENCODE = 40MSPS
A
SNR = 58.4dB
SINAD = 58.3dB
H2 = –87dB
H3 = –81dB
ENCODE = 105MSPS
A
SNR = 51.9dB
SINAD = 51.8dB
H2 = –70.5dB
H3 = –76.3dB
IN
IN
IN
= 15MHz AT –0.5dBFS
= 19.75MHz AT –0.5dBFS
= 70MHz AT –0.5dBFS
ADC Inputs, 1 V p-p Input Range
1 V p-p Input Range
1 V p-p Input Range
IN
= 15 MHz @ – 0.5 dBFS; with AD8138 Driving
IN
= 19.75 MHz @ –0.5 dBFS, Differential,
IN
= 70 MHz @ –0.5 dBFS, Differential,
AD9218
32.5
20
40