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SX8661 Datasheet(PDF) 41 Page - Semtech Corporation

Part # SX8661
Description  Low Power, Capacitive Button Touch and Proximity Controller
PDF  88 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SX8661 Datasheet(HTML) 41 Page - Semtech Corporation

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ADVANCED COMMUNICATIONS & SENSING
DATASHEET
Revision v3.2, January 2011
© 2011 Semtech Corp.
www.semtech.com
41
SX8661
Low Power, Capacitive Button Touch and Proximity Controller
(8 sensors) with LED Drivers and Analog Output
4.4
Power management pins
The power management pins consist of the Power, Ground and Regulator pins.
VDD
VDD is a power pin and is the main power supply for the SX8661.
VDD has protection to GROUND.
Figure 48 shows a simplified diagram of the VDD pin.
Figure 48
Simplified diagram of VDD
GND
The SX8661 has four ground pins all named GND. These pins and the package center pad need to be connected
to ground potential.
The GND has protection to VDD.
Figure 49 shows a simplified diagram of the GND pin.
Figure 49
Simplified diagram of GND
VDD
SX8661
VDD
VDD
SX8661
GND
GND



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