AD9218 Analog Devices, AD9218 Datasheet - Page 12

• 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

AD9218
EQUIVALENT CIRCUITS
A
IN
40kΩ
ENCODE
30kΩ
15kΩ
Figure 8. Reference Output Stage
Figure 9. Digital Output Stage
Figure 6. Analog Input Stage
Figure 7. Encode Inputs
600kΩ
V
D
40kΩ
2.6kΩ
2.6kΩ
OUT
30kΩ
15kΩ
DX
V
DD
40kΩ
V
D
V
A
D
IN
Rev. C | Page 12 of 28
DFS/GAIN
S2
S1
REF
Figure 10. Reference Inputs
Figure 13. DFS/Gain Input
Figure 11. S2 Input
Figure 12. S1 Input
10kΩ
10kΩ
V
REF
15kΩ
15kΩ
V
10kΩ
D
V
V
V
D
D
D