LDC1612-Q1 Datasheet, PDF (28/60 Pages) Texas Instruments – Multi-Channel 28-Bit Inductance to Digital Converter (LDC)

LDC1612-Q1, LDC1614-Q1
SNOSCZ8 – APRIL 2016
8.6.16 Address 0x0E, OFFSET_CH2 (LDC1614 only)
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Figure 31. Address 0x0E, OFFSET_CH2
15
14
13
12
11
10
9
8
CH2_OFFSET
7
6
5
4
3
2
1
0
CH2_OFFSET
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 26. Address 0x0E, OFFSET_CH2 Field Descriptions
Bit Field
15:0 CH2_OFFSET
Type
R/W
Reset
0000 0000
0000 0000
Description
Channel 2 Conversion Offset. f_{OFFSET_2} =
(CH2_OFFSET/2¹⁶)*f_REF2
8.6.17 Address 0x0F, OFFSET_CH3 (LDC1614 only)
Figure 32. Address 0x0F, OFFSET_CH3
15
14
13
12
11
10
9
8
CH3_OFFSET
7
6
5
4
3
2
1
0
CH3_OFFSET
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 27. Address 0x0F, OFFSET_CH3 Field Descriptions
Bit Field
15:0 CH3_OFFSET
Type
R/W
Reset
Description
0000 0000 Channel 3 Conversion Offset. f_{OFFSET_3} =
0000 0000 (CH3_OFFSET/2¹⁶)*f_REF3
8.6.18 Address 0x10, SETTLECOUNT_CH0
Figure 33. Address 0x10, SETTLECOUNT_CH0
15
14
13
12
11
10
9
8
CH0_SETTLECOUNT
7
6
5
4
3
2
1
0
CH0_SETTLECOUNT
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 28. Address 0x11, SETTLECOUNT_CH0 Field Descriptions
Bit Field
15:0 CH0_SETTLECOUNT
Type
R/W
Reset
Description
0000 0000
0000 0000
Channel 0 Conversion Settling
The LDC will use this settling time to allow the LC sensor to
stabilize before initiation of a conversion on Channel 0.
If the amplitude has not settled prior to the conversion start, an
Amplitude error will be generated if reporting of this type of error
is enabled.
0x0000: Settle Time (t_S0)= 32 ÷ f_REF0
0x0001: Settle Time (t_S0)= 32 ÷ f_REF0
0x0002- 0xFFFF: Settle Time (t_S0)= (CH0_SETTLECOUNTË£16)
÷ f_REF0
28
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