MT3102

MT3102 is an advanced miniature optical light-to-digital converter, integrated with a proximity sensor and 940nm IR VCSEL. Customers can improve the system efficiency with the supported features and settings of module.

MT3102 incorporates photodiode, timing controller and ADC. The detect/release events can be interrupt driven, and occur when proximity result crosses upper and/or lower threshold settings.

MT3102 provides a wide range of offsets adjustment to compensate the unexpected IR energy reflection into the sensor, the proximity results are further improved by automatic ambient light elimination method. Besides, it employs a noise cancellation scheme to highly reject the unwanted ambient noise.

• Wide operating temperature range: -30°C~85°C

• Built-in temperature compensation circuit and power on reset circuit

• Ultra-low power consumption

       - 1.8V power supply with 1.8V I²C bus

       - Total active current under 10µA@100ms (including VCSEL current)

       - Idle and sleep mode current: 0.7µA

• Built-in VCSEL driver with flexible setting

• VCSEL pulse width and count selection

• VCSEL current: 7mA

• Low noise design

• High ambient light suppression

• ADC resolution selectable for 16 bits

• Lead-free package (RoHS compliant)

• Dedicated optimized package designfor small wearable devices