MLX90313 Programmable IR sensor Interface This device is a general purpose programmable sensor amplifier/ signal conditioner, with dual low noise, low offset, fully programmable amplifier chain, 12 bit on-chip ADC, powerful signal conditioning and linearisation unit, multiple output options, ISP I/O-configuration and analog settings, accessible by SPI serial interface, wide supply voltage range from 4.5V-80V and wide application range (including thermopile + thermistor amplification chain, digital or analog, linear, ambient-compensated IR sensor interface).