Datasheet

ADS4122, ADS4125
ADS4142, ADS4145
SBAS520A –FEBRUARY 2011– REVISED MARCH 2011 www.ti.com
Register Address BFh (Default = 00h)
7 6 5 4 3 2 1 0
OFFSET PEDESTAL 0 0
Bits[7:2] OFFSET PEDESTAL
These bits set the offset pedestal.
When the offset correction is enabled, the final converged value after the offset is corrected is the
ADC mid-code value. A pedestal can be added to the final converged value by programming these
bits.
ADS414x VALUE PEDESTAL
011111 31LSB
011110 30LSB
011101 29LSB
— —
000000 0LSB
— —
111111 –1LSB
111110 –2LSB
— —
100000 –32LSB
Bits[1:0] Always write '0'
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Product Folder Link(s): ADS4122 ADS4125 ADS4142 ADS4145