sx8661 Semtech Corporation, sx8661 Datasheet - Page 41

• Manufacturer Part Number: sx8661
• Description: Low Power, Capacitive Button Touch And Proximity Controller 8 Sensors With Led Drivers And Analog Output
• Manufacturer: Semtech Corporation

ADVANCED COMMUNICATIONS & SENSING
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.
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.
Revision v3.2, January 2011
Figure 49
Figure 48
VDD
GND
Low Power, Capacitive Button Touch and Proximity Controller
© 2011 Semtech Corp.
Simplified diagram of GND
Simplified diagram of VDD
SX8661
SX8661
41
(8 sensors) with LED Drivers and Analog Output
VDD
VDD
GND
www.semtech.com
DATASHEET
SX8661