Design Considerations When Accelerating an FPGA-Based Digital Microphone Array for Sound-Source Localization

Table 5

Power consumption at  MHz expressed in mW when combining microphone subarrays. Values obtained from the Vivado 2016.4 power report.

Active	MEMS microphones			Reported on-chip power			Total
Subarrays	Active	Inactive	Total	Static	Dynamic	Total	Power
Inner 4 MICs	15.84	0.13	15.97	120	2	122	137.97
Inner 12 MICs	47.52	0.11	47.63	120	5	125	172.63
Inner 28 MICs	110.88	0.06	110.94	121	11	132	242.94
All 52 MICs	205.92	0	205.92	122	16	138	343.92