Analog Devices Inc. ADuCM350 16 位精密低功耗片上计量仪

Analog Devices ADuCM350 16 位精密低功耗片上计量仪是一款完整的、经由纽扣电池供电的、高精密片上计量仪,适合便携式设备应用,例如护理点诊断和用于监护生命体征的穿戴式设备。ADuCM350 被设计用于实现高精密电流、电压和阻抗测量功能。ADuCM350 模拟前端(AFE)带有 16 位、精密的、160kSPS 模数转换器(ADC)、0.17% 精密基准电压源、12 位、无失码数模转换器(DAC),以及可重新配置的超低泄漏开关矩阵。ADuCM350 还内置一个基于 ARM® Cortex-M3 的处理器、存储器和所有 I/O 接口,因而可通过显示器、USB 通信和有源传感器支持便携式计量仪。

特性

  • 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

应用

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

Functional Block Diagram

框图 - Analog Devices Inc. ADuCM350 16 位精密低功耗片上计量仪

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

发布日期: 2014-07-10 | 更新日期: 2025-03-10