MLX90640

MLX90640 32x24 IR array Datasheet 1. Features and Benefits  Small size, low cost 32x24 pixels IR array  Easy to integrate  Industry standard four lead TO39 package  Factory calibrated  Noise Equivalent Temperature Difference (NETD) 0.1K RMS @1Hz refresh rate  I2C compatible digital interface  Programmable refresh rate 0.5Hz…64Hz  3.3V supply voltage  Current consumption less than 23mA  2 FOV options – 55°x35° and 110°x75°  Operating temperature -40°C ÷ 85°C  Target temperature -40°C ÷ 300°C  Complies with RoHS regulations 2. Application Examples  High precision non-contact temperature measurements  Intrusion / Movement detection  Presence detection / Person localization  Temperature sensing element for intelligent building air conditioning  Thermal Comfort sensor in automotive Air Conditioning control system  Microwave ovens  Industrial temperature control of moving parts  Visual IR thermometers  Driver software for MCU available at: https://github.com/melexis/mlx90640library.git 3. Description The MLX90640 is a fully calibrated 32x24 pixels thermal IR array in an industry standard 4-lead TO39 package with digital interface. The MLX90640 contains 768 FIR pixels. An ambient sensor is integrated to measure the ambient temperature of the chip and supply sensor to measure the VDD. The outputs of all sensors IR, Ta and VDD are stored in internal RAM and are accessible through I2C. Band gap reference and PTAT sensor Regulator for digital part 34 MHz RC o...