Features

• An evaluation board for the ADuCM350 is available under RS Part No. ; 833-5076 833-5076. ADuCM350 Precision Meter-on-Chip. The ADuCM350 device is a 16-bit precision, low-power meter-on-a-chip based on an ARM Cortex-M3 processor core. The ADuCM350 is designed with high-precision current, voltage and impedance measurement capabilities. It can be powered by a single coin-cell making it suitable for portable device applications. Suitable applications for the ADuCM350 include point-of-care medical diagnostics and wearable devices monitoring vital signs. 16-bit 160kSPS precision ADC with 4 voltage, 8 current measurement channels ; impedance measurement engine Autonomous analogue front-end (AFE) controller with independent sequencer for AFE functions Excitation stage consisting of a Direct Digital Synthesizer/Arbitrary Waveform Generator with 12-bit DAC Complex impedance measurement engine based on 2048-point Discrete Fourier Transform with Hann windowing 16MHz Cortex-M3 core processor with 384KB Flash memory, 32KB SRAM, 16KB Flash-configured EEPROM I²S serial audio output Audio 'beeper' interface for piezoelectric speaker LCD controller supports driving up to 128 segments SPI, I²C and UART serial interfaces USB 2.0 Full Speed serial port 66 x GPIO pins 3 x 16-bit GP Timers, Watch Dog Timer and Wake-Up Timer Real-Time Clock Pin for optional supercapacitor providing RTC backup Capacitive touch subsystem with up to six capacitive touch channels Power supply: +2.5 to +3.6Vdc Can be powered from a coin-cell 4 x Power modes: Active, Core Sleep, System Sleep and Hibernate Operating temperature range: -40 to +85°C