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GH3220 . 심장 ECG PPG 측정 칩

by i.got.it 2023. 7. 10.

 

 

GH3220 . ECG PPG 칩 

Key Features

  • Ultra-Low Power Consumption
    • Average current consumption in heart rate detection mode: 59 µA
    • Average current consumption in SpO2 detection mode: 230 µA
  • Ultra-high Performance
    • 24-bit highly accurate ADC
    • PPG dynamic range: up to 110 dB
    • Up to 256 µA configurable background light cancellation (BGC)
    • AC background light rejection (BGR) (50 Hz): 60 dB
    • DC background light rejection (BGR): 80 dB
    • ECG common-mode rejection ratio (CMRR): 100 dB
    • ECG input impedance > 2 GΩ, support dry electrode
    • Input noise meet YY-0885/IEC60601-2-47
  • Light Transmitter Block
    • Two 8-bit LED drivers: each supports 4 LEDs, total 8 LEDs
    • Each LED driver with 8-bit resolution and a maximum drive current of 200 mA
    • Supports 8 LEDs concurrently for SpO2 or multi-wavelength and multi-position heart rate detection
  • Light Receiver Block
    • 4 independent AFEs that support synchronous sampling, 75% reduction in LED lighting time in multi-channel applications
    • Up to 8 programmable sample time-slots, up to 32 effective channels for data acquisition
    • 4 PD interfaces for diff mode, and 8 PD interfaces for single-end mode
  • Build-in Functions
    • Automatic dimming
    • Automatic wrist (wearing) detection
    • Right leg drive (RLD) single-lead ECG sensing circuit
  • Internal FIFO
    • 800 * 4 bytes, caching 800 samples
  • Communication Interface
    • SPI: up to 12 MHz
    • IIC: up to 1 MHz
  • Package
    • WLCSP Package
    • Size: 2.605 mm * 2.905 mm * 0.468 mm, 0.4 mm pitch, 42 balls
  • Typical Applications
    • Heart Rate
    • ECG
    • PWTT
    • SpO2
    • HRV
    • Wrist (Wearing) Detection

 

 

제조사 제품 페이지 : https://www.goodix.com/en/product/sensors/health_sensors/gh3220

 

데이터시트 

 

 

 

 

 

 

 

 

 

연관 

혈당 워치 1에서 이 칩 사용되었음. 

 

혈당 워치 1. 혈당 측정 스마트 워치 중 하나

혈당 워치 1 혈당 검출 기능 탑재된 스마트 워치 여러 제품들이 보이며 그 중 제품 1. 모델번호 : 대부분의 중국 제품들은 모델번호 개념이 없음. ( 땜빵 마인드로 제품 개발 해서 그런가? 혹은 시

igotit.tistory.com

 

 

 


첫 등록 : 2023.07.10

최종 수정 : 

단축 주소 : https://igotit.tistory.com/4694


 

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