Low Power, Precision Analog Microcontroller with Dual Sigma-Delta ADCs, ARM Cortex-M3 Data Sheet ADuCM362/ADuCM363 FEATURES Power supply range: 1.8 V to 3.6 V (maximum) Power consumption, MCU active mode Pin compatible with the ADuCM360/ADuCM361 Core consumes 290 A/MHz Analog input/output Overall system current consumption of 1.0 mA with core Dual 24-bit ADCs (ADuCM362) operating at 500 kHz (both ADCs on, input buffers off, Single 24-bit ADC (ADuCM363) PGA gain of 4, one SPI port on, and all timers on) Programmable ADC output rate (3.5 Hz to 3.906 kHz) Power consumption, power-down mode: 4 A (wake-up Simultaneous 50 Hz/60 Hz noise rejection timer active) At 50 SPS continuous conversion mode On-chip peripherals At 16.67 SPS single conversion mode 2 2 UART, I C, and 2 SPI serial input/output (I/O) Flexible input mux for input channel selection to both ADCs 16-bit pulse-width modulation (PWM) controller Two 24-bit multichannel ADCs (ADC0 and ADC1) 19-pin multifunction GPIO port 6 differential or 12 single-ended input channels 2 general-purpose timers 4 internal channels for monitoring DAC, temperature Wake-up timer/watchdog timer sensor, IOVDD/4, and AVDD/4 (ADC1 only) Multichannel DMA and interrupt controller Programmable gain (1 to 128) DMA support for both SPI channels Gain of 1 with input buffer on/off supported Package and temperature range RMS noise: 52 nV at 3.53 Hz, 200 nV at 50 Hz 48-lead, 7 mm 7 mm LFCSP Programmable sensor excitation current sources Specified for 40C to +125C operation On-chip precision voltage reference Development tools Two external reference options supported by both ADCs Low cost QuickStart Development System Single 12-bit voltage output DAC Third-party compiler and emulator tool support NPN mode for 4 mA to 20 mA loop applications Multiple diagnostic functions that support SIL certification Microcontroller ARM Cortex-M3 32-bit processor APPLICATIONS Serial wire download and debug Industrial automation and process control Internal watch crystal for wake-up timer Intelligent precision sensing systems 16 MHz oscillator with 8-way programmable divider 4 mA to 20 mA loop-powered smart sensor systems Memory Medical devices, patient monitoring Up to 256 kB Flash/EE memory, 24 kB SRAM In-circuit debug/download via serial wire and UART Rev. 0 Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. rights of third parties that may result from its use. Specifications subject to change without notice. No Tel: 781.329.4700 2016 Analog Devices, Inc. All rights reserved. license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Technical Support www.analog.com Trademarks and registered trademarks are the property of their respective owners. ADuCM362/ADuCM363 Data Sheet TABLE OF CONTENTS Features .............................................................................................. 1 SPI Timing Specifications ......................................................... 16 Applications ....................................................................................... 1 Absolute Maximum Ratings ......................................................... 18 Revision History ............................................................................... 2 Thermal Resistance .................................................................... 18 General Description ......................................................................... 3 ESD Caution................................................................................ 18 Functional Block Diagrams ............................................................. 4 Pin Configuration and Function Descriptions ........................... 19 Specif icat ions ..................................................................................... 6 Typical Performance Characteristics ........................................... 22 Microcontroller Electrical Specifications .................................. 6 Typical System Configuration ...................................................... 23 RMS Noise Resolution of ADC0 and ADC1 .......................... 11 Outline Dimensions ....................................................................... 24 2 I C Timing Specifications .......................................................... 15 Ordering Guide .......................................................................... 24 REVISION HISTORY 10/2016Revision 0: Initial Version Rev. 0 Page 2 of 24