AD9218 datasheet(5/24 Pages) AD

Part #	AD9218

Description	10-Bit, 40/65/80/105 MSPS 3 V Dual A/D Converter

PDF	24 Pages

Scroll/Zoom	100%

Manufacturer	AD [Analog Devices]

Direct Link	http://www.analog.com

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5 / 24 page

REV. 0

AD9218

–5–

SAMPLE

D9A–D0A

D9B–D0B

SAMPLE

N+1

tPD

SAMPLE

N+2

SAMPLE

N+3

SAMPLE

N+4

SAMPLE

N+5

SAMPLE

N+6

1/fS

tEL

tEH

DATA N–10

DATA N–8

DATA N–6

DATA N–4

DATA N–2

DATA N

DATA N+2

DATA N–9

DATA N–7

DATA N–5

DATA N–3

DATA N–1

DATA N+1

ENCODE A

ENCODE B

AINA,

AINB

SAMPLE

N+7

SAMPLE

N+8

Figure 2. Normal Operation with Two Clock Sources (S1 = 1, S2 = 0) Channel Timing

SAMPLE

D9A–D0A

D9B–D0B

SAMPLE

N+1

tPD

SAMPLE

N+2

SAMPLE

N+3

SAMPLE

N+4

SAMPLE

N+5

SAMPLE

N+6

1/fS

tEL

tEH

DATA N–10

DATA N–8

DATA N–6

DATA N–4

DATA N–2

DATA N

DATA N+2

ENCODE A

ENCODE B

AINA,

AINB

SAMPLE

N+7

SAMPLE

N+8

DATA N–11

DATA N–9

DATA N–7

DATA N–5

DATA N–3

DATA N–1

DATA N+1

Figure 3. Data Align with Two Clock Sources (S1 = 1, S2 = 1) Channel Timing

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