AD7147PACPZ-RL Analog Devices Inc, AD7147PACPZ-RL Datasheet - Page 54
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AD7147PACPZ-RL
Manufacturer Part Number
AD7147PACPZ-RL
Description
CAPACITANCE TO DIGITAL CONVERTER
Manufacturer
Analog Devices Inc
Series
CapTouch™r
Type
Capacitive Sensor Controllerr
Datasheet
1.AD7147ACPZ-1500RL7.pdf
(72 pages)
Specifications of AD7147PACPZ-RL
Resolution (bits)
16 b
Data Interface
I²C
Voltage Supply Source
Single Supply
Voltage - Supply
2.6 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
24-LFCSP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Sampling Rate (per Second)
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD7147PACPZ-RL
Manufacturer:
ADI/亚德诺
Quantity:
20 000
AD7147
Table 36. STAGEx_AFE_OFFSET Register Description (x = 0 to 11)
Data Bit
[5:0]
[6]
[7]
[13:8]
[14]
[15]
Table 37. STAGEx_SENSITIVITY Register Description (x = 0 to 11)
Data Bit
[3:0]
[6:4]
[7]
[11:8]
[14:12]
[15]
Default
Value
X
X
X
X
X
X
Default
Value
X
X
X
X
X
X
Type
R/W
R/W
R/W
R/W
Type
R/W
R/W
R/W
R/W
R/W
R/W
NEG_AFE_OFFSET
Unused
NEG_AFE_OFFSET_SWAP
POS_AFE_OFFSET
Unused
POS_AFE_OFFSET_SWAP
Unused
POS_THRESHOLD_SENSITIVITY
POS_PEAK_DETECT
Unused
Name
Name
NEG_THRESHOLD_SENSITIVITY
NEG_PEAK_DETECT
Rev. B | Page 54 of 72
Description
Negative AFE offset setting (20 pF range)
1 LSB value = 0.32 pF of offset
Set to 0
Negative AFE offset swap control
0 = NEG_AFE_OFFSET applied to CDC negative input
1 = NEG_AFE_OFFSET applied to CDC positive input
Positive AFE offset setting (20 pF range)
1 LSB value = 0.32 pF of offset
Set to 0
Positive AFE offset swap control
0 = POS_AFE_OFFSET applied to CDC positive input
1 = POS_AFE_OFFSET applied to CDC negative input
Description
Negative threshold sensitivity control
0000 = 25%, 0001 = 29.73%, 0010 = 34.40%, 0011 = 39.08%
0100 = 43.79%, 0101 = 48.47%, 0110 = 53.15%
0111 = 57.83%, 1000 = 62.51%, 1001 = 67.22%
1010 = 71.90%, 1011 = 76.58%, 1100 = 81.28%
1101 = 85.96%, 1110 = 90.64%, 1111 = 95.32%
Negative peak detect setting
000 = 40% level, 001 = 50% level, 010 = 60% level
011 = 70% level, 100 = 80% level, 101 = 90% level
Set to 0
Positive threshold sensitivity control
0000 = 25%, 0001 = 29.73%, 0010 = 34.40%, 0011 = 39.08%
0100 = 43.79%, 0101 = 48.47%, 0110 = 53.15%
0111 = 57.83%, 1000 = 62.51%, 1001 = 67.22%
1010 = 71.90%, 1011 = 76.58%, 1100 = 81.28%
1101 = 85.96%, 1110 = 90.64%, 1111 = 95.32%
Positive peak detect setting
000 = 40% level, 001 = 50% level, 010 = 60% level
011 = 70% level, 100 = 80% level, 101 = 90% level
Set to 0