概览

简介

血糖仪用于测量血糖水平,帮助监测健康状况。近年来,对此类高效仪器解决方案的需求持续增长,自我监测血糖仪市场规模在 2017 年达到 143 亿美元,而到 2024 年前有望以 5.1% 的年复合增长率持续增长。

对于该解决方案,瑞萨电子的 RX231 微控制器 (MCU) 带有蓝牙低能耗 (LE) 模块、电容式触摸感应、LCD控制和USB 通信接口,实现一体化封装。由于具有较低的输入偏移和偏置电流,ISL28214 运算放大器 (op amp) 适用于跨阻抗放大器,而 ISL90727 数控电位器 (XDCP™) 则提供可设定的增益。HS3001 温度和湿度测量支持对信号进行偏移计算,从而实现准确测量。另外,ISL9001A 低压降线性稳压器确保始终维持正常电压。

系统优势:

  • 内置电容式触控功能的高度集成RX231 MCU
  • 增益可设定,针对所有输入实现最大输出信号电压
  • 可靠的湿度和温度测量
  • 电源简单,电流消耗较低

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Template 2 Board.317 Sheet.353 Board - Optional Op Amp Op Amp Connector Arrow.341 Sheet.338 Sheet.340 Label Text 10pt.262 Amplifier Amplifier Connector 1.160.348 Transimpedance Op Amp Transimpedance Op Amp Transimpedance Op Amp Connector 1.160.352 Connector Line Bi-directional.274 Connector Arrow.275 US018 US018 US018 BLE 5.1 Module BLE 5.1 Module BLE 5.1 Module Touch Control Touch Control Touch Control LCD LCD LCD PC PC PC Bi-directional Bi-directional.239 Bi-directional.241 Bi-directional.242 LDO LDO LDO Sheet.272 MCU MCU MCU UART UART UART CTSU CTSU CTSU SPI SPI SPI USB USB USB ADC ADC ADC I2C I2C I2C DAC DAC DAC ADC ADC ADC cylinder Sheet.262 Audio Audio CODEC Software AudioCODECSoftware Connector Arrow.276 Resistor Divider Resistor Divider Resistor Divider Connector Arrow.278 Connector Arrow.279 Connector Arrow.280 Connector 1.160 3.6V 3.6V 3.6V Battery Double-cell 1 Sheet.284 Sheet.285 Sheet.286 Sheet.287 Line 1pt.1552 Line 1pt.1608 Ground - Earth Sheet.291 Sheet.292 Sheet.293 Sheet.294 Audio Amplifier Audio Amplifier Audio Amplifier Connector Arrow.296 Speaker speaker_8_ Sheet.299 Sheet.300 Sheet.301 Sheet.302 Connector Arrow.303 Connector 1.160.304 Connector Arrow.306 Test Strip Test Strip Test Strip Humidity & Temp Sensor Humidity & Temp Sensor Humidity & Temp Sensor Connector Arrow Connector 1.160.322 Connector Arrow.323 Connector 1.324 Connector Arrow.325 Connector 1.326 Ground - Earth.330 Sheet.331 Sheet.332 Sheet.333 Sheet.334 Connector Arrow.342 Connector Line.344 Connector Line.346 3.3V 3.3V 3.3V Connector Line.351 Sheet.345 LDO.265 DCP DCP Label Text 10pt.262 RH RH RW RW RW RL RL RL
Exiting Interactive Block Diagram