Analog Devices Inc. Misuratore a bassa potenza a 16 bit di precisione su chip ADuCM350

Il misuratore a bassa potenza a 16 bit di precisione ADuCM350 di Analog Devices è un misuratore su chip ad alta precisione completo, alimentato con cella a bottone ideale per l'uso con dispositivi portatili, come diagnostica e apparecchiature per il monitoraggio dei segni vitali. L'ADuCM350 consente misurazioni amperometriche, voltmetriche e impedometriche ad alta precisione. Il front-end analogico (AFE) dell'ADuCM350 è dotato di un convertitore analogico-digitale (ADC) da 160 Ksps a 16 bit di precisione (ADC), riferimento di tensione a 0,17% di precisione, convertitore digitale-analogico (DAC) a 12 bit senza codici omessi e un interruttore di dispersione ultrabassa riconfigurabile. L'ADuCM350 include anche un processore Cortex-M3 ARM®, memoria e connettività I/O per supportare i misuratori portatilli, le comunicazioni USB e i sensori attivi.

Caratteristiche

  • Analog performance
    • 160kSPS, 16-bit, precision analog-to-digital converter (ADC)
      • 4 dedicated voltage measurement channels
      • 8 current measurement channels Impedance measurement engine
    • High precision voltage reference
    • Supply noise rejection filtering
    • Ultralow leakage configurable switch matrix 12-bit digital-to-analog converter (DAC) Precision instrumentation amplifier control loop
    • 6-channel CapTouch controller
    • Temperature sensor
  • Analog hardware accelerators
    • Autonomous analog front-end (AFE) controller
    • Independent sequencer for AFE functions
    • Direct digital synthesizer (DDS)/arbitrary waveform generator
    • Receive filters
    • Complex impedance measurement (DFT) engine
  • Processing
    • 16MHz Arm Cortex-M3 processor
    • 384kB of embedded flash memory
    • 32kB system SRAM
    • 16kB Flash configured EEPROM
    • Integrated full-speed USB 2.0 controller and PHY
    • Multilayer advanced microcontroller bus architecture (AMBA) bus matrix
    • Central direct memory access (DMA) controller
    • Real-time clock (RTC)
    • General-purpose, wake-up, and watchdog timers
  • Communication Input/Output
    • I2S and beeper interface
    • LCD display controller (parallel and serial)
    • LCD segment controller
    • SPI, I2C, and UART peripheral interfaces
    • Programmable GPIOs
  • Power
    • Coin cell battery compatible
    • 2.5V to 3.6V active measurement range
    • Power management unit (PMU)
    • Power-on reset (POR) and power supply monitor (PSM)
  • Packages and temperature range
    • Operating temperature range: −40°C to +85°C
    • Package: 120-lead, 8mm × 8mm CSP_BGA

Applicazioni

  • Point-of-care diagnostics
  • Body-worn devices for monitoring vital signs
  • Amperometric, voltametric, and impedometric measurements

Functional Block Diagram

Schema a blocchi - Analog Devices Inc. Misuratore a bassa potenza a 16 bit di precisione su chip ADuCM350

Additional Resources

Condition-Based Monitoring of the Human Body

With advances in technology, vital sign monitoring will become increasingly common in various industries and throughout our daily lives. Whether used for treatment or prevention, such health-related solutions call for reliable and robust technology. 
Learn More

Bioelectrical Impedance Analysis in Monitoring of the Clinical Status and Diagnosis of Diseases

Pubblicato: 2014-07-10 | Aggiornato: 2025-03-10