Basically, it is a type of RF Transmitter that is available in a VQFN package.For RF Transmitter operation, 105°C°C is the maximum operating temperature.For reliability, it must work at a minimum temperature of -55°C degrees Celsius.It is recommended to set the supply voltage of wireless RF transmitter to 3.3V for maximum efficiency.
ATA5746-PXQW19 Features
VQFN package Minimum of -55°C°C
ATA5746-PXQW19 Applications
There are a lot of Atmel (Microchip Technology) ATA5746-PXQW19 RF Transmitter applications.