AS3931 Datasheet - austriamicrosystems AG

AS3931 3D Low Power Wake-up Receiver

AS3931 is an ultra low power, three channel LF ASK receiver designed to operate in various applications such as LF identification systems and LF tag receivers. AS3931 is able to detect a low frequency ASKmodulated signal by looking for a digital wake-up pattern and generates a WAKE signal after succ.

AS3931 Features

* Antenna rotation switch three independent LF receiver chains Wake-up output combining the three receiver chains Low power 32.768 kHz crystal oscillator circuit Serial programming interface Voltage regulator with 2.4 V output, on/off switchable 2. Key Features - 3D wake-up pattern detection 3D LF f

AS3931_austriamicrosystemsAG.pdf