AD9218 Analog Devices, AD9218 Datasheet - Page 7

• 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

D9
D9
D9
D9
ENCODE A
ENCODE B
ENCODE A
ENCODE B
B
B
A
A
A
A
A
A
TO D0
TO D0
TO D0
TO D0
IN
IN
IN
IN
A
B
A
B
A
B
A
B
t
t
A
A
t
t
EH
EH
SAMPLE
SAMPLE
N
N
DATA N – 10
DATA N – 11
DATA N – 10
Figure 3. Normal Operation with Two Clock Sources (S1 = 1, S2 = 0) Channel Timing
SAMPLE
SAMPLE
N + 1
N + 1
t
t
EL
EL
Figure 4. Data Align with Two Clock Sources (S1 = 1, S2 = 1) Channel Timing
DATA N – 9
SAMPLE
SAMPLE
N + 2
N + 2
SAMPLE
SAMPLE
DATA N – 8
DATA N – 9
1/f
DATA N – 8
1/f
N + 3
N + 3
S
S
DATA N – 7
SAMPLE
SAMPLE
N + 4
N + 4
DATA N – 6
DATA N – 6
DATA N – 7
Rev. C | Page 7 of 28
SAMPLE
SAMPLE
N + 5
N + 5
DATA N – 5
SAMPLE
SAMPLE
N + 6
N + 6
DATA N – 4
DATA N – 5
DATA N – 4
SAMPLE
SAMPLE
N + 7
N + 7
DATA N – 3
SAMPLE
SAMPLE
N + 8
N + 8
DATA N – 2
DATA N – 2
DATA N – 3
t
t
PD
PD
DATA N – 1
DATA N – 1
DATA N
DATA N
DATA N + 1
DATA N + 1
DATA N + 2
DATA N + 2
t
t
V
V
AD9218