Analog Devices Inc.

Low Power, Precision Analog Microcontroller with Dual Sigma-Delta ADCs, ARM Cortex-M3 Features: Pin compatible with the ADuCM360/ADuCM361 Analog input/output Dual 24-bit ADCs Programmable ADC output rate (3.5 Hz to 3.906 kHz) Simultaneous 50 Hz/60 Hz noise rejection At 50 SPS continuous conversion mode At 16.67 SPS single conversion mode Flexible input mux for input channel selection to both ADCs Two 24-bit multichannel ADCs (ADC0 and ADC1) 6 differential or 12 single-ended input channels 4 internal channels for monitoring DAC, temperature sensor, IOVDD/4, and AVDD/4 (ADC1 only) Programmable gain (1 to 128) Gain of 1 with input buffer on/off supported RMS noise: 52 nV at 3.53 Hz, 200 nV at 50 Hz Programmable sensor excitation current sources On-chip precision voltage reference Two external reference options supported by both ADCs Single 12-bit voltage output DAC NPN mode for 4 mA to 20 mA loop applications Microcontroller ARM Cortex-M3 32-bit processor Serial wire download and debug Internal watch crystal for wake-up timer 16 MHz oscillator with 8-way programmable divider Memory Up to 256 kB Flash/EE memory, 24 kB SRAM In-circuit debug/download via serial wire and UART Power supply range: 1.8 V to 3.6 V (maximum) Power consumption, MCU active mode Core consumes 290 μA/MHz Overall system current consumption of 1.0 mA with core operating at 500 kHz (both ADCs on, input buffers off, PGA gain of 4, one SPI port on, and all timers on) Power consumption, power-down mode: 4 μA (wake-up timer active) On-chip peripherals 2× UART, I2C, and 2 × SPI serial I/O 16-bit PWM controller 19-pin multifunction GPIO port 2 general-purpose timers Wake-up timer/watchdog timer Multichannel DMA and interrupt controller DMA support for both SPI channels Package and temperature range 48-lead, 7 mm × 7 mm LFCSP Specified for −40°C to +125°C operation Development tools Low cost QuickStart Development System Third-party compiler and emulator tool support Multiple diagnostic functions that support SIL certification ADuCM362-EP Supports defense and aerospace applications (AQEC standard) Download ADuCM362-EP data sheet (pdf) Military temperature range (−55°C to +125°C) Controlled manufacturing baseline One assembly/test site One fabrication site Product change notification Qualification data available on request V62/21606 DSCC Drawing Number