The low-power RF430FRL152 SoC combines a 16-bit microcontroller with an ISO 15693-compliant 13.56 MHz near field communication (NFC) interface, 2 Kbytes of non-volatile FRAM, 8 Kbytes of ROM, and 4 Kbytes of SRAM. It also has a 14-bit sigma-delta A/D converter, and SPI and I2 C sensor interfaces. Active mode current is only 560 µA at 4 MHz.
The IC is optimized for 1.5 V single-cell-battery-powered designs or battery-less designs that harvest energy from the RF field. It targets a wide range of consumer wearable, industrial, medical, and asset tracking applications. The chip includes a resistive sensor bias interface and an internal temperature sensor. $2.50 ea/1,000.
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