ADS1230
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SBAS366–OCTOBER 2006
21st SCLK to Force DRDY/DOUT High
Data Ready After Calibration
a) Offset Calibration Timing
DRDY/DOUT
19
18
17
0
19
1
2
3
4
Calibration Begins
1
20
21
22
23
24
25
26
SCLK
tCAL
Data Ready
b) Standby Mode/Single Conversions
Standby Mode
DRDY/DOUT
SCLK
19
18
17
0
19
Start Conversion
1
20
tDSS
tSTANDBY
tS_RDY
Data Ready
After Calibration
Standby
Mode
c) Standby Mode/Single Conversions with Offset Calibration
DRDY/DOUT
19
18
17
0
19
1
Begin
Calibration
2
3
4
1
20
21
SCLK
22
23
24
25
tSTANDBY
tSC_RDY
Figure 33. Summary of Standby Mode and Calibration Waveforms
22
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