VD5376

VD5376 Ultra-low power motion sensor for Optical Finger Navigation (OFN) and optical/laser mice www.DataSheet4U.net Data brief ■ ■ Features ■ Laser drive circuitry, fault detection scheme and safety features Versatile usage: the sensor is designed to operate with a companion microcontroller, and can be used for any laser/LED mouse system Minimal external component requirement Miniature die enabling smallest modules Module design support Ultra-low power performance and high speed/high accuracy motion detection (1 m/s, 20 g) Optional on-chip power management scheme (RUN/IDLE1/IDLE2/SLEEP) Very low quiescent and operating current mode for battery life saving CPI programmable up to 3,200 CPI On-chip boost-converter controller enables a complete autonomous single AA/AAA-type battery supply application I2C interface, with fast polling rate capability for high end applications (report rate up to 1 per millisecond) Internal oscillator On-chip ADC for battery level reporting ■ ■ ■ ■ ■ ■ ■ Description This device is intended to fit into any two-chip applications (companion MCU) and offers the best compromise between application cost, power and performance. It is ideally suited to meet requirements of the growing number of devices using finger navigation as an easy and intuitive human interface method. ■ ■ ■ VSUPPLY 1v8 internal regulated supply DGND PowerDown 18 17 21 20 19 16 TEST_CLOCK VTOP AVSS DVSS1 POWERDOWN VREG 1 AVDD VGATE_ON VREF VBAT N/C 2 3 SDA 15 SDA...