Datasheet

ADS1281
www.ti.com SBAS378D –AUGUST 2007–REVISED JUNE 2010
HPF1 and HPF0
These two bytes (high-byte and low-byte, respectively) set the corner frequency of the HPF.
HPF0: High-Pass Filter Corner Frequency, Low Byte (Address 03h)
7 6 5 4 3 2 1 0
HP07 HP06 HP05 HP04 HP03 HP02 HP01 HP00
Reset value = 32h.
HPF1: High-Pass Filter Corner Frequency, High Byte (Address 04h)
7 6 5 4 3 2 1 0
HP15 HP14 HP13 HP12 HP11 HP10 HP09 HP08
Reset value = 03h.
OFC2, OFC1, OFC0
These three bytes set the OFC value.
OFC0: Offset Calibration, Low Byte (Address 05h)
7 6 5 4 3 2 1 0
OC07 OC06 OC05 OC04 OC03 OC02 OC01 OC00
Reset value = 00h.
OFC1: Offset Calibration, Mid Byte (Address 06h)
7 6 5 4 3 2 1 0
OC15 OC14 OC13 OC12 OC11 OC10 OC09 OC08
Reset value = 00h.
OFC2: Offset Calibration, High Byte (Address 07h)
7 6 5 4 3 2 1 0
OC23 OC22 OC21 OC20 OC19 OC18 OC17 OC16
Reset value = 00h.
FSC2, FSC1, FSC0
These three bytes set the FSC value.
FSC0: Full-Scale Calibration, Low Byte (Address 08h)
7 6 5 4 3 2 1 0
FSC07 FSC06 FSC05 FSC04 FSC03 FSC02 FSC01 FSC00
Reset value = 00h.
FSC1: Full-Scale Calibration, Mid Byte (Address 09h)
7 6 5 4 3 2 1 0
FSC15 FSC14 FSC13 FSC12 FSC11 FSC10 FSC09 FSC08
Reset value = 00h.
FSC2: Full-Scale Calibration, High Byte (Address 0Ah)
7 6 5 4 3 2 1 0
FSC23 FSC22 FSC21 FSC20 FSC19 FSC18 FSC17 FSC16
Reset value = 40h.
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