Low Power, Precision Analog Microcontroller with Dual Sigma-Delta ADCs, ARM Cortex-M3 Data Sheet ADuCM360/ADuCM361 FEATURES Power supply range: 1.8 V to 3.6 V (maximum) Power consumption, MCU active mode Analog input/output Core consumes 290 A/MHz Dual 24-bit ADCs (ADuCM360) Overall system current consumption of 1.0 mA with core Single 24-bit ADC (ADuCM361) operating at 500 kHz (both ADCs on, input buffers off, Programmable ADC output rate (3.5 Hz to 3.906 kHz) PGA gain of 4, one SPI port on, and all timers on) Simultaneous 50 Hz/60 Hz noise rejection Power consumption, power-down mode: 4 A (wake-up At 50 SPS continuous conversion mode timer active) At 16.67 SPS single conversion mode On-chip peripherals Flexible input mux for input channel selection to both ADCs 2 UART, I C, and 2 SPI serial I/O Two 24-bit multichannel ADCs (ADC0 and ADC1) 16-bit PWM controller 6 differential or 12 single-ended input channels 19-pin multifunction GPIO port 4 internal channels for monitoring DAC, temperature 2 general-purpose timers sensor, IOVDD/4, and AVDD/4 (ADC1 only) Wake-up timer/watchdog timer Programmable gain (1 to 128) Multichannel DMA and interrupt controller RMS noise: 52 nV at 3.53 Hz, 200 nV at 50 Hz Package and temperature range Programmable sensor excitation current sources 48-lead, 7 mm 7 mm LFCSP On-chip precision voltage reference Specified for 40C to +125C operation Single 12-bit voltage output DAC Development tools NPN mode for 4 mA to 20 mA loop applications Low cost QuickStart Development System Microcontroller Third-party compiler and emulator tool support ARM Cortex-M3 32-bit processor Multiple functional safety features for improved diagnostics Serial wire download and debug Internal watch crystal for wake-up timer APPLICATIONS 16 MHz oscillator with 8-way programmable divider Industrial automation and process control Memory Intelligent precision sensing systems 128 kB Flash/EE memory, 8 kB SRAM 4 mA to 20 mA loop-powered smart sensor systems In-circuit debug/download via serial wire and UART Medical devices, patient monitoring Rev. D 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 20122016 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. ADuCM360/ADuCM361 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 Specifications ..................................................................................... 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 6/2016Rev. C to Rev. D 7/2013Rev. A to Rev. B Change to Features Section ............................................................. 1 Changes to Features Section and General Description Section ....... 3 Added Note 12 and Note 13, Table 1 ............................................. 6 Changes to Figure 1 ........................................................................... 4 Change to Internal Reference (1.2 V) Section, Table 2, and Added Figure 2, Renumbered Sequentially ................................... 5 Table 3 .............................................................................................. 11 Changes to Table 1 ............................................................................. 6 Changes to External Reference (2.5 V) Section, Table 6, and Changes to Table 2 and Table 3 .................................................... 10 Table 7 .............................................................................................. 13 Changes to Table 4 and Table 5 .................................................... 11 Change to Human Body Model Parameter, Table 14 ................ 18 Changes to Table 6 and Table 7 .................................................... 12 Changes to Figure 15 ...................................................................... 23 Changes to Table 8 and Table 9 .................................................... 13 Changes to Table 16 ....................................................................... 17 10/2014Rev. B to Rev. C Changes to Figure 14 ...................................................................... 21 Changes to Table 1 ............................................................................ 6 Changes to Table 3 .......................................................................... 11 11/2012Rev. 0 to Rev. A Changes to Table 5 .......................................................................... 12 Changes to Pin 35 and Pin 36 in Table 16 ................................... 18 Changes to Table 7 .......................................................................... 13 Changes to Table 9 .......................................................................... 14 9/2012Revision 0: Initial Version Changes to Table 14 ........................................................................ 18 Changes to Pin 35 and Pin 36 Descriptions Table 16 ............... 20 Changes to Figure 11 ...................................................................... 22 Rev. D Page 2 of 24