ADUCM360 Datasheet, PDF (1/21 Pages) Analog Devices – Low Power Precision Analog Microcontroller

Low Power Precision Analog Microcontroller
ARM Cortex M3, with dual Sigma-Delta ADCs
Preliminary Technical Data
ADuCM360/ADuCM361
FEATURES
Analog Input/Output
Dual (24-bit) ADCs (ADuCM360)
Single (24-bit) ADC (ADuCM361)
Single Ended and fully Differential inputs
Programmable ADC output rate (4 Hz to 4 kHz)
Simultaneous 50Hz/60Hz rejection
50SPS Continuous Conversion Mode
16.67SPS Single Conversion Mode
Flexible input MUX for input channel selection to both ADCs
Primary and Auxiliary (24-bit) ADC channel
6 differential or 11 Single-Ended input channels
4 internal channels for monitoring DAC, Temperature
sensor, IOVDD and AVDD (ADC1 only)
Programmable Gain (1 to 128)
Selectable input range: ±6.64 mV to ±1.2 V
RMS noise: 43nV @3.75Hz, 180nV @ 50Hz
Programmable sensor excitation current sources
10/50/100/150/200/250/300/400/500/600/800uA and
1mA current source options
On-chip precision Voltage reference (±4 ppm/°C)
Single 12-bit voltage output DAC
NPN mode for 4-20mA loop applications
Microcontroller
ARM Cortex™-M3 32-bit processor
Serial Wire download and debug
Internal Watch crystal for wakeup timer
16 MHz Oscillator with 8-way Programmable Divider
Memory
128k Bytes Flash/EE Memory, 8k Bytes SRAM
In-circuit debug/download via Serial Wire and UART
Power
Operates directly from a 3.0V battery
Supply Range: 1.8V to 3.6V (max)
Power Consumption
MCU Active Mode: Core consumes 290µA / MHz
Active Mode: 1.0mA (All peripherals active), core
operating at 500KHz
Power down mode: 4µA (WU Timer Active)
On-Chip Peripherals
UART, I2C and 2 x SPI Serial I/O
16-bit PWM Controller
19-Pin Multi-Function GPIO Port
2 General Purpose Timers
Wake-up Timer/Watchdog Timer
Multi-Channel DMA and Interrupt Controller
Package and Temperature Range
48 lead LFCSP (7mm x 7mm) package –40°C to 125°C
Development Tools
Low-Cost QuickStart™ Development System
Third-Party Compiler and emulator tool Support
Multiple Functional Safety features for improved diagnostics
APPLICATIONS
Industrial automation and process control
Intelligent, precision sensing systems
4 mA to 20 mA loop-powered smart sensor systems
Medical devices, patient monitoring
Rev. Pr R
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