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FDC2114RGHT Datasheet(PDF) 29 Page - Texas Instruments

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Part # FDC2114RGHT
Description  EMI-Resistant 28-Bit,12-Bit Capacitance-to-Digital Converter
PDF  61 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

FDC2114RGHT Datasheet(HTML) 29 Page - Texas Instruments

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FDC2212, FDC2214, FDC2112, FDC2114
www.ti.com
SNOSCZ5A – JUNE 2015 – REVISED JUNE 2015
Table 29. Address 0x12, SETTLECOUNT_CH1 Field Descriptions
Bit
Field
Type
Reset
Description
15:0
CH1_SETTLECOUNT
R/W
0000 0000
Channel 1 Conversion Settling
0000 0000
The FDC will use this settling time to allow the LC sensor to
stabilize before initiation of a conversion on a Channel 1.
If the amplitude has not settled prior to the conversion start, an
Amplitude warning will be generated if reporting of this type of
warning is enabled.
b0000 0000 0000 0000: Settle Time (tS1)= 32 ÷ fREF1
b0000 0000 0000 0001: Settle Time (tS1)= 32 ÷ fREF1
b0000 0000 0000 0010 - b1111 1111 1111 1111: Settle Time
(tS1)= (CH1_SETTLECOUNTˣ16) ÷ fREF1
9.6.20 Address 0x12, SETTLECOUNT_CH2 (FDC2114, FDC2214 only)
Figure 37. Address 0x12, SETTLECOUNT_CH2
15
14
13
12
11
10
9
8
CH2_SETTLECOUNT
7
6
5
4
3
2
1
0
CH2_SETTLECOUNT
Table 30. Address 0x12, SETTLECOUNT_CH2 Field Descriptions
Bit
Field
Type
Reset
Description
15:0
CH2_SETTLECOUNT
R/W
0000 0000
Channel 2 Conversion Settling
0000 0000
The FDC will use this settling time to allow the LC sensor to
stabilize before initiation of a conversion on Channel 2.
If the amplitude has not settled prior to the conversion start, an
Amplitude warning will be generated if reporting of this type of
warning is enabled.
b0000 0000 0000 0000: Settle Time (tS2)= 32 ÷ fREF2
b0000 0000 0000 0001: Settle Time (tS2)= 32 ÷ fREF2
b0000 0000 0000 0010 - b1111 1111 1111 1111: Settle Time
(tS2)= (CH2_SETTLECOUNTˣ16) ÷ fREF2
9.6.21 Address 0x13, SETTLECOUNT_CH3 (FDC2114, FDC2214 only)
Figure 38. Address 0x13, SETTLECOUNT_CH3
15
14
13
12
11
10
9
8
CH3_SETTLECOUNT
7
6
5
4
3
2
1
0
CH3_SETTLECOUNT
Table 31. Address 0x13, SETTLECOUNT_CH3 Field Descriptions
Bit
Field
Type
Reset
Description
15:0
CH3_SETTLECOUNT
R/W
0000 0000
Channel 3 Conversion Settling
0000 0000
The FDC will use this settling time to allow the LC sensor to
stabilize before initiation of a conversion on Channel 3.
If the amplitude has not settled prior to the conversion start, an
Amplitude warning will be generated if reporting of this type of
warning is enabled
b0000 0000 0000 0000: Settle Time (tS3)= 32 ÷ fREF3
b0000 0000 0000 0001: Settle Time (tS3)= 32 ÷ fREF3
b0000 0000 0000 0010 - b1111 1111 1111 1111: Settle Time
(tS3)= (CH3_SETTLECOUNTˣ16) ÷ fREF3
Copyright © 2015, Texas Instruments Incorporated
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Product Folder Links: FDC2212 FDC2214 FDC2112 FDC2114



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