| Parameters | 
                                                                                                            
                                            | Factory Lead Time | 14 Weeks | 
                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 28-VFQFN | 
                                                                            
                                            | Number of Pins | 28 | 
                                                                            
                                            | Operating Temperature | -40°C~85°C | 
                                                                            
                                            | Packaging | Tape & Reel (TR) | 
                                                                            
                                            | Published | 2010 | 
                                                                            
                                            | Part Status | Obsolete | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                            
                                            | Type | Buttons, Wheel | 
                                                                            
                                            | Voltage - Supply | 2.7V~3.6V | 
                                                                            
                                            | Base Part Number | SX863 | 
                                                                            
                                            | Pin Count | 28 | 
                                                                            
                                            | Output Type | Digital | 
                                                                            
                                            | Operating Supply Voltage | 3.6V | 
                                                                            
                                            | Interface | I2C | 
                                                                            
                                            | Operating Supply Current | 175μA | 
                                                                            
                                            | Nominal Supply Current | 10mA | 
                                                                            
                                            | Number of Inputs | Up to 8 | 
                                                                            
                                            | Resolution | 10 b | 
                                                                            
                                            | Touchscreen | Capacitive | 
                                                                            
                                            | Proximity Detection | Yes | 
                                                                            
                                            | LED Driver Channels | 8 | 
                                                                            
                                            | RoHS Status | RoHS Compliant | 
                                                                            
                                            | Lead Free | Lead Free | 
                                                                                                    
                            
                         
                                                SX8639I05AULTRT Overview
In order to package it, Tape & Reel (TR) materials are used. It is mounted on the PCB using Surface Mount. In the electronic industry, 28-VFQFN's low package cost contributes significantly to its popularity. In order for it to operate normally, it requires the 2.7V~3.6V Supply Voltage. There is a need to use inputs of Up to 8. Type Buttons, Wheel is for applications of standard grade. Temperature -40°C~85°C should always be maintained during operation. The part is 10 b-resolution. A LED driver's channel is 8. It is set to 175μA for its supply current. 28 is the pin number of the component. There is a SX863 at the center of the gadget's greatest component. A 28 pin is provided for specific uses. An electric current of 3.6V volts is required to operate it. 
SX8639I05AULTRT Features
28-VFQFN package
8 LED driver channels
28 pins
SX8639I05AULTRT Applications
There are a lot of Semtech Corporation SX8639I05AULTRT Capacitive Sensors applications. 
- PC peripherals
- Collision Avoidance
- Compact Capacitive Keyboards
- Remote Control Trackpads
- Material Size Detection
- Mobile phones
- Personal media players (MP3/MP4)
- Rain, Fog, Ice, Snow Sensor
- MP3 Players
- Standard PIR sensor cost reduction