DDC114 Datasheet, PDF (24/30 Pages) Burr-Brown (TI) – Quad Current Input 20-Bit ANALOG-TO-DIGITAL CONVERTER

DDC114
SBAS255A − JUNE 2004 − REVISED NOVEMBER 2004
CONV
DVALID
DCLK
DOUT
T_INT
t₂₇
t₂₈
…
…
Side B
Data
T_INT
…
…
Side A
Data
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SYMBOL DESCRIPTION
t27
Cont Mode Data Ready
t28
Data Retrieval Shutdown Before Edge of CONV
CLK = 4MHz, CLK_4X = 0
MIN
TYP
MAX
345.00 ± 0.125
10
CLK = 4.8MHz, CLK_4X = 0
MIN
TYP
MAX
287.5 ± 0.104
10
UNITS
µs
µs
Figure 23. Readback Before CONV Toggles
CONV
T_INT
T_INT
T_INT
DVALID
DCLK
DOUT
t₂₇
t₂₉
…
…
Side A
Data
t₂₆
…
…
Side B
Data
…
…
Side A
Data
SYMBOL DESCRIPTION
t26
Hold Time that DOUT is Valid Before Falling Edge of DVALID
t27
Cont Mode Data Ready
t29
Data Retrieval Start-Up After Edge of CONV
CLK = 4MHz, CLK_4X = 0
MIN
TYP
MAX
1.75
345.00 ± 0.125
10
CLK = 4.8MHz, CLK_4X = 0
MIN
TYP
MAX
1.458
287.5 ± 0.104
10
UNITS
µs
µs
µs
Figure 24. Readback After CONV Toggles
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