sx8638 Semtech Corporation, sx8638 Datasheet - Page 76

• Manufacturer Part Number: sx8638
• Description: Low Power, Capacitive Button And Slider Touch Controller 8 Sensors With Enhanced Led Drivers And Proximity
• Manufacturer: Semtech Corporation

ADVANCED COMMUNICATIONS & SENSING
- CapSensitivity = 7 (Max)
- CapThreshold = 300
- Board main supplied and placed vertically ie same orientation as hand/finger
- Finger pointing center button
The results obtained are provided in table below:
7.2.4
Revision 7_6, September 10
Schematics
Orthogonal finger (worst case)
Finger (natural position)
Table 39 Proximity Sensing Distance of Detection
Figure 61 Touch+Proximity
Palm
© 2010 Semtech Corp.
Low Power, Capacitive Button and Slider Touch Controller
(8 sensors) with Enhanced LED Drivers and Proximity
76
Module Schematics
Distance of Detection
~10cm
~6cm
~4cm
DATASHEET
www.semtech.com
SX8638