ADS1208
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SBAS348A–MARCH 2005–REVISED MARCH 2005
PARAMETER MEASUREMENT INFORMATION
tC1
MCLK
tW1
tD1
MDATA
Figure 1. Mode 0 Operation
TIMING CHARACTERISTICS: MODE 0
Over recommended operating free-air temperature range at –40°C to +85°C, and AVDD = +5V, BVDD = +2.7 to +5.5V, unless
otherwise noted.
PARAMETER
MIN
83
MAX
125
UNIT
ns
tC1
tW1
tD1
Clock period
Clock high time
(tC1 /2) – 5
–2
(tC1 /2) + 5
+2
ns
Data delay after rising edge of clock
ns
tC2
MCLK
tW2
tD2
tD3
MDATA
Figure 2. Mode 1 Operation
TIMING CHARACTERISTICS: MODE 1
Over recommended operating free-air temperature range at –40°C to +85°C, and AVDD = +5V, BVDD = +2.7 to +5.5V, unless
otherwise noted.
PARAMETER
MIN
MAX
UNIT
ns
tC1
tW2
tD2
tD3
Clock period
166
250
Clock high time
(tC2 /2) – 5
(tW2 /2) – 2
(tW2 /2) – 2
(tC2 /2) + 5
(tW2 /2) + 2
(tW2 /2) + 2
ns
Data delay after rising edge of clock
Data delay after falling edge of clock
ns
ns
5
BB [ BURR-BROWN CORPORATION ]
