MAX86161. 광센서. PPG(맥파). 심박. SpO2

 

MAX86161

 

 

 

 

Features

• Complete Single-Channel Optical Data Acquisition System
• Built-In Algorithm Further Enhances Rejection of Fast Ambient Transients
• Optimized Architecture for Reflective Heart Rate and SpO2 Monitoring
• Low Dark Current Noise of <50pA RMS (Sample-to-Sample Variance)
• Lower Effective Dark Current Noise Achievable through Multiple Sample Modes and On-Chip Averaging
• High-Resolution 19-bit Charge Integrating ADC
• Three Low-Noise 8-Bit LED Current DACs
• Excellent Dynamic Range >89dB in White Card Loop-Back Test (Sample-to-Sample Variance)
• Excellent Ambient Range and Rejection Capability
  
  • >100μA Ambient Photodetector Current
  • >70dB Ambient Rejection at 120Hz

• Ultra-Low-Power Operation for Wearable Devices
  
  • Low-Power Operation, Optical Readout Channel < 10μA, Typical at 25sps
  • Short Exposure Integration Period of 14.8μs, 29.4μs, 58.7μs, 117.3μs
  • Low Shutdown Current = 1.6μA (typ)
• Wavelength of Peak Sensitivity: 860nm
• Spectral Bandwidth Range: 420nm to 1020nm
• LED Supply Voltage (VLED): 3.0V to 5.5V
• LDO Output Voltage (VLDO): 1.68V to 1.92V, 1.8V Typical
• Operating Temperature Range: -40°C to +85°C
• Package Type: OLGA-14
• Package Dimensions: 2.9mm x 4.3mm x 1.4mm
• Lead (Pb) Free/RoHS-Compliant Package

 

 

 

데이터 시트 : https://www.mouser.com/datasheet/2/256/MAXM86161-1605388.pdf

 

 

 

 

 

 

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첫등록 : 2019년 8월 27일 

최종수정 : 

 

본 글 단축주소 : https://igotit.tistory.com/2282

 

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