Faststream Technologies > 实例探究 > 医疗设备的 ASIC 设计

医疗设备的 ASIC 设计

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 ASIC DESIGN ON MEDICAL DEVICES - IoT ONE Case Study
技术
  • 传感器 - 其他
适用行业
  • 医疗保健和医院
适用功能
  • 采购
用例
  • 结构健康监测
服务
  • 云规划/设计/实施服务
挑战

设计并开发了一种用于感应的ASIC ,可与隐形眼镜直接设置。可以通过 ASIC 进行数字化的 MEMS 传感器正在读取评估结果并将其传输回记录仪,该记录仪与使用负载调制技术为设备供电的射频链路相同。通过使用 0.35µm 工艺, Faststream可以在有限的功率预算内以低成本在单个芯片上集成功率捕获和调节、RF 信号、高线性度 ADC 和数字控制功能。

解决方案

Faststream Technologies 监管 Sensimed 的整个 ASIC 生命周期,包括不同批量生产的设计、原型设计、工业化和供应链。在制造过程中,凸块裸片直接连接到透镜内的铜迹线上,将其连接到天线和 MEMS 阵列。

使用这些过程,Faststream 可以在保持线圈天线的功率资源范围内感知对高 ENOB 过程的需求。

关键技术统计

  • 板载列并行ADC,具有低噪声采样结构和温度变化补偿。
  • 用于电源和数据的 13.56 MHz 松散耦合电感链路。
  • 通过负载调制进行通信。
  • 具有结构良好的整流的 CMOS 执行避免了对肖特基二极管的需求。
  • 惠斯通电阻桥上的传感器读数、模数转换和数据。
  • 嵌入偏移和斜率校正技术。
  • 通过磁性链接输入和输出。
  • 低于 5 -10 µV 的 ADC。
  • 范围广泛的传入无线能量。
  • 通过无线传输电力和数据。

运营影响
  • The prototyping board depending on ASIC is designed to read out Analog and Digital ASIC. This platform is designed for imaging purposes: Calorimetry, Silicon Tracker, Medical Imaging.

    The platform provides up to 240 digital high-speed I/O and 8, 120 MSPS 14 bit ADC channels. Almost all modern front-end ASIC can be validated with this system It is possible to read out:

    • Pre-amplifier/shaper only ASIC with dedicated Analog output for each channel.
    • Multiplexed channels Analog Output ASIC.
    • Digital-only ASIC, for example, ASIC with the only comparator inside designed for applications requiring only timing information.
    • ASIC with integrated ADC and/or TDC.

    70 PS resolution TDC on Petiroc ASIC.

    • Faststream Technologist’s medical and implantable microelectronics services include:
    • Miniaturization by use of microelectronic high-density packaging technologies.
    • Interactive DFM/DFT.
    • Electrical, mechanical, and thermal analysis.
    • Development of electrical, functional, and environmental tests that support high-reliability manufacturing.
数量效益
  • Biometric Monitor

    Such IC observes different biometric parameters. Pressure, temperature, ECG, EMG, EEG, and EOG data are particular parameters. All the systems are wireless. A transmitter and battery are used for un-tethered data collection. The IC has been developed in conjunction with a prime manufacturer of advanced biometric monitoring devices.

    Features

    • Multi-Channel Sensor
    • Low Supply Power & Supply Voltage
    • Various types of Sensors
    • Temperature Range = 5°C to +75°C
    • Temperature, Pressure, and Biopotential Activities
    • Micro-power EEPROM
  • ASIC BASED MEDICAL IMAGING READOUT SYSTEM:

    Faststream Technologies carried out all Virtual Blocks to:

    • Executed trapezoidal filter or charge integration to measure the energy of the pulses.
    • 0.5ns TDC in order to timestamp events and implement TOT.
    • Analog Demultiplexed to readout data from multiplexed ASIC.
    • ROC ASIC Decoders blocks.
    • The devices could interface to the ASIC's slow control using SPI, I2C, or Parallel interface.
    •  
  • Medical Microelectronics Solutions:

    • Wafer & Die Processing
    • Die to attach using a variety of epoxies and other materials
    • Placement capability of all device types including RF and MMIC devices
    • Automated wire bonding including gold and aluminum wedge, and gold ball bonding
    • Custom microelectronic packaging, including multi-chip packaging (MCP), multichip modules (MCM), power modules, chip-on-board (COB), chip-scale-modules (CSM)

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