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MAX86140 - Best-in-Class Optical Pulse Oximeter and Heart-Rate Sensor

Datasheet Summary

Description

The MAX86140/MAX86141 are ultra-low-power, completely integrated, optical data acquisition systems.

On the transmitter side, the MAX86140/MAX86141 have three programmable high-current LED drivers that can be configured to drive up to six LEDs using an external 3x2:1 mux.

Features

  • Complete Single and Dual-Channel Optical Data Acquisition System.
  • Optimized Architecture for Transmissive and Reflective Heart Rate or 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 Tes.

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Datasheet preview – MAX86140

Datasheet Details

Part number MAX86140
Manufacturer Maxim Integrated
File Size 1.43 MB
Description Best-in-Class Optical Pulse Oximeter and Heart-Rate Sensor
Datasheet download datasheet MAX86140 Datasheet
Additional preview pages of the MAX86140 datasheet.

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Full PDF Text Transcription

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Click here for production status of specific part numbers. MAX86140/ MAX86141 Best-in-Class Optical Pulse Oximeter and Heart-Rate Sensor for Wearable Health General Description The MAX86140/MAX86141 are ultra-low-power, completely integrated, optical data acquisition systems. On the transmitter side, the MAX86140/MAX86141 have three programmable high-current LED drivers that can be configured to drive up to six LEDs using an external 3x2:1 mux. With two MAX86140/MAX86141 devices working in master-slave mode, the LED drivers can drive up to twelve LEDs using an external 3x2:1 mux. On the receiver side, MAX86140 consists of a single optical readout channel, while the MAX86141 has two optical readout channels that can operate simultaneously.
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