Low Power, Precision Analog Microcontroller with Dual Sigma-Delta ADC, ARM Cortex-M3 Enhanced Product ADuCM362-EP On-chip peripherals FEATURES 2 2 UART, I C, and 2 SPI serial input/output (I/O) Analog input/output: dual 24-bit ADCs 16-bit pulse-width modulation (PWM) controller Programmable ADC conversion rate (3.5 Hz to 3.906 kHz) 19-pin multifunction GPIO port Simultaneous 50 Hz/60 Hz noise rejection 2 general-purpose timers At 50 Hz continuous conversion mode Wake-up timer and watchdog timer At 16.67 Hz single conversion mode Multichannel DMA and interrupt controller Flexible input mux for input channel selection to both ADCs DMA support for both SPI channels Two 24-bit multichannel ADCs (ADC0 and ADC1) Package and temperature range 6 differential or 12 single-ended input channels 48-lead, 7 mm 7 mm LFCSP 4 internal channels for monitoring DAC, temperature Specified for 55C to +125C operation sensor, IOVDD/4, and AVDD/4 (ADC1 only) Multiple diagnostic functions that support safety integrity Programmable gain (1 to 128) level (SIL) certification Gain of 1 with input buffer on/off supported RMS noise: 0.052 V at 3.53 Hz and 0.2 V at 50 Hz ENHANCED PRODUCT FEATURES Programmable sensor excitation current sources Supports defense and aerospace applications On-chip precision voltage reference (AQEC standard) Two external reference options supported by both ADCs Military temperature range (55C to +125C) Single 12-bit voltage output DAC Controlled manufacturing baseline NPN mode for 4 mA to 20 mA loop applications One assembly/test site Microcontroller One fabrication site ARM Cortex-M3 32-bit processor Product change notification Serial wire download and debug Qualification data available on request Internal watch crystal for wake-up timer 16 MHz oscillator frequency with 8-way programmable APPLICATIONS divider Weapons and munitions Memory Avionics 256 kB Flash/EE memory, 24 kB SRAM Unmanned systems In-circuit debug/download via serial wire and UART Intelligent precision sensing systems Power supply voltage range: 1.8 V to 3.6 V Power consumption, MCU active mode Core consumes 290 A/MHz Overall system current consumption of 1 mA with core operating at 500 kHz (both ADCs on, input buffers off, PGA gain of 4, 1 SPI port on, and all timers on) Power consumption, power-down mode: 4 A (wake-up timer active) 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 2021 Analog Devices, Inc. All rights reserved. license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. Technical Support www.analog.com ADuCM362-EP Enhanced Product TABLE OF CONTENTS Features .............................................................................................. 1 Thermal Resistance .................................................................... 10 Enhanced Product Features ............................................................ 1 Electrostatic Discharge (ESD) Ratings .................................... 10 Applications ....................................................................................... 1 ESD Caution................................................................................ 10 Revision History ............................................................................... 2 Pin Configuration and Function Descriptions ........................... 11 General Description ......................................................................... 3 Typical Performance Characteristics ........................................... 14 Functional Block Diagram .............................................................. 4 Outline Dimensions ....................................................................... 15 Specifications ..................................................................................... 5 Ordering Guide .......................................................................... 15 Microcontroller Electrical Specifications .................................. 5 Absolute Maximum Ratings .......................................................... 10 REVISION HISTORY 1/2021Revision 0: Initial Version Rev. 0 Page 2 of 15