This ADSP-2181BSTZ-133 digital signal processor from Analog Devices is used to filter and compress real world analog signals to digital for better processing. This DSP processor has a minimum operating temperature of -40 °C and a maximum of 85 °C. 33.3 MHz is its maximum speed. This device has a typical operating supply voltage of 5 V. Its minimum operating supply voltage of 4.5 V, while its maximum is 5.5 V. It has romless program memory. This is a 16 bit processor.