Datasheet

32
LDC1612 , LDC1614
SNOSCY9A –DECEMBER 2014–REVISED MARCH 2018 www.ti.com
Product Folder Links: LDC1612 LDC1614
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7.6.32 Address 0x1F, DRIVE_CURRENT1
Figure 45. Address 0x1F, DRIVE_CURRENT1
15 14 13 12 11 10 9 8
IDRIVE1 INIT_IDRIVE1
7 6 5 4 3 2 1 0
INIT_IDRIVE1 RESERVED
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 31. Address 0x1F, DRIVE_CURRENT1 Field Descriptions
Bit Field Type Reset Description
15:11 IDRIVE1 R/W 0 0000 Channel 1 L-C Sensor Drive Current
This field sets the Sensor Drive Current used during the settling
+ conversion time of Channel 0 sensor.
RP_OVERRIDE_EN bit must be set to 1.
10:6 INIT_IDRIVE1 R 0 0000 Channel 1 Sensor Current Drive
This field stores the Initial Drive Current calculated during the
initial Amplitude Calibration phase. It is updated after each
Amplitude Correction phase of the sensor conversion if
AUTO_AMP_DIS=0.
When writing to DRIVE_CURRENT1, set this field to b0 0000.
5:0 RESERVED - 00 0000 Reserved
7.6.33 Address 0x20, DRIVE_CURRENT2 (LDC1614 only)
Figure 46. Address 0x20, DRIVE_CURRENT2
15 14 13 12 11 10 9 8
IDRIVE2 INIT_IDRIVE2
7 6 5 4 3 2 1 0
INIT_IDRIVE2 RESERVED
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 32. Address 0x20, DRIVE_CURRENT2 Field Descriptions
Bit Field Type Reset Description
15:11 IDRIVE2 R/W 0 0000 Channel 2 L-C Sensor Drive Current
This field sets the Sensor Drive Current used during the settling
+ conversion time of Channel 0 sensor.
RP_OVERRIDE_EN bit must be set to 1.
10:6 INIT_IDRIVE2 R 0 0000 Channel 2 Sensor Current Drive
This field stores the Initial Drive Current calculated during the
initial Amplitude Calibration phase. It is updated after each
Amplitude Correction phase of the sensor conversion if
AUTO_AMP_DIS=0.
When writing to DRIVE_CURRENT2, set this field to b0 0000.
5:0 RESERVED – 00 0000 Reserved