EVAL-AD7142-1EBZ(RevA) 查看數據表（PDF） - Analog Devices

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EVAL-AD7142-1EBZ
(Rev.:RevA)

Programmable Controller for Capacitance Touch Sensors

Analog Devices 

REVISION HISTORY

1/07—Rev. 0 to Rev. A

Updated Format.................................................................. Universal

Changes to Data Sheet Title.............................................................1

Inserted Figure 5................................................................................8

Changes to Figure 18 ......................................................................12

Changes to Operating Modes Section ..........................................13

Changes to CIN Input Multiplexer Setup Section ......................14

Changes to Table 9 and Conversion Sequencer Section ............15

Changes to Noncontact Proximity Detection Section ...............18

Changes to Recalibration Section and Table 12 ..........................18

Deleted FIFO Control Section.......................................................19

Changes to Figure 31 and Table 13 ...............................................20

Changes to Figure 32 ......................................................................21

Changes to Capacitance Sensor Behavior with

Calibration Section .....................................................................22

AD7142

Added Slow FIFO and

SLOW_FILTER_UPDATE_LVL Section ...................................23

Changes to Adaptive Threshold and Sensitivity Section ...........24

Inserted Figure 37 and Table 13 ....................................................25

Deleted Figure 42 ............................................................................29

Changes to CSHIELD Output Section ...............................................30

Changes to Figure 55 ......................................................................36

Changes to Power-up Sequence Section ......................................37

Changes to Figure 58 ......................................................................38

Changes to Table 21 ........................................................................42

Changes to Table 24 ........................................................................43

Changes to Table 25 ........................................................................44

Changes to Table 29 ........................................................................48

Changes to Table 31 ........................................................................49

6/06—Revision 0: Initial Version

Rev. A | Page 3 of 72

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