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MLX75031 Datasheet(PDF) 1 Page - Melexis Microelectronic Systems |
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MLX75031 Datasheet(HTML) 1 Page - Melexis Microelectronic Systems |
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1 / 67 page  Features & Benefits Two independent Active Light measurement channels for proximity sensing and/or gesture recognition Integrated DC light cancellation circuitry Two logarithmic ambient light channels with two different sensitivities Minimum amount of external components Stand-by and sleep modes for low power consumption Integrated LED drivers Integrated battery voltage monitor Integrated LED temperature sensing circuitry Integrated 16bit ADC for high resolution A2D conversion Integrated temperature sensor Integrated watchdog timer Easy digital communication interface via SPI High input capacitance tolerant input current terminals High safety design by several diagnostic and monitoring functions Applications Robust Proximity Sensing Smart Touch Displays & Panels Simple Gesture Detection Driver-Passenger Discrimination Ambient Light Sensing & Display Dimming Functional Diagram Ordering Information Product Code Temperature Code Package Code Option Code MLX75031 R (-40°C to 105°C) LQ (QFN24 4x4) B MLX75031 C (0°C to 70°C) LQ (QFN24 4x4) B General Description The MLX75031 Optical Gesture & Proximity Sensing IC actively controls up to 2 independent Active Light measurement channels. Each channel consists out of one or multiple LEDs, of any type, combined with one or more photodiodes, of any type. Additional Active Light channels can be added through multiplexing. Integrated DC light suppression makes the sensors highly tolerant to background light interference. Primary function is complemented with two integrated ambient light channels. Internal control logic, configurable user registers and SPI communication enable intuitive & programmable operation. Extra features include a watchdog timer, on-board temperature sensor and self-diagnostics are built-in to facilitate robust product design. The digital output from the Active Light and ambient light channels can be used for proximity and ambient light detection. Gestures such as swipe, zoom, scroll can be recognized by software algorithms that can run on the customer’s microcontroller. Reliable communication is assured via an SPI interface. |
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