Hi Hongxin,
welcome at the MPS Forum!
The MA782 is the smallest MPS MagAlpha sensor and it is the world’s smallest absolute ICEncoder®.
It´s size is 2mm x 2mm x 0.6mm QFN-14, what makes it perfect for wearable and IoT devices
The sensor is targeting Ultra Low Power applications: HMI but also motorized and combined applications.