سنسور و مبدل سنسور تخصصی

Product Attributes

Features

• Optical channel:
  • Integrated photoelectric measurement analog front-end, ADC, LED driver, timing control, and FIFO
  • 129dB dynamic range (receive chain, single sample)
  • 4 differential/single-ended or 8 single-ended photodiode inputs
  • 60dB high ambient light rejection (DC ~ 1KHz)
  • 4 independently configurable time slots for multi-parameter synchronous measurement
  • Configurable sample rate from 0.002Hz to 16kHz
  • High-precision ADC
  • Ultra-low power mode 16-bit output, high-performance mode 24-bit output
  • Multi-pulse integration mode for weak signal applications
  • Multiple conversion mode, up to 24-bit effective data output
  • 12 LED drivers, programmable constant-current drive, up to 240mA per channel
  • Only 10μA operating current (including LED current) under typical continuous heart rate detection conditions
• ECG channel:
  • 24-bit effective data output
  • 50GΩ high input impedance
  • Supports up to +/-500mV differential input
  • Compliant with the latest domestic and international medical industry standards (YY 9706.247-2021 domestic, IEC 60601-2-47:2012 international)
  • 130dB CMRR (three-electrode mode)
  • Two-electrode and three-electrode configurations
  • AC lead-off detection and DC lead-off detection
• Standard SPI or I2C communication interface
• 1024-byte FIFO
• Multiple package options for different applications:
  • QFN-32 (ZSBM8000), standard 4×4mm QFN-32, production-friendly
  • WLCSP-28 (ZSBM8000/ZSBM8005), wafer-level package, minimal PCB footprint
  • OLGA-21 (ZSBM8002), OLGA package with integrated high-performance photodiodes
• -40°C to 85°C wide operating temperature range
• Supply voltage:
  • Internal LDO mode: VDD33 voltage 2.4V to 3.6V
  • External regulated mode: AVDD18/DVDD18 voltage 1.7V to 1.9V (not supported in current packages, requires customization)
  • IOVDD voltage 1.7V to 3.6V

Applications

• Continuous heart rate monitoring/HRV for wearable devices
• Pulse oximeters
• Single-lead ECG detection
• PTT (Pulse Transit Time)-based blood pressure measurement