Ambiq Micro intros first sub-threshold ARM IoT chip


Ambiq blockCalled Apollo 2, the firm claims the chip has the potential to double the battery life in wearable devices.

Scott Hanson, founder and CTO, Ambiq Micro, writes:

“Our sub-threshold technology will bring a similar pace of innovation to the IoT. It allows us to drive energy consumption below what we previously imagined was possible.”


Device peripherals include:

  • 14-bit analogue-to-digital converters
  • Digital microphone interface with pulse density modulation (PDM) for voice application
  • Voltage comparator
  • Temperature sensor
  • I2C/SPI for communication with sensors, radios, co-processor and other peripherals



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