MAX86140ENP+ by Analog Devices

Best-in-Class Optical Pulse Oximeter and Heart-Rate Sensor for Wearable Health

Status: Active
Series: MAX86140
RoHS: Unknown
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The MAX86140/MAX86141 are ultra-low-power, com- pletely 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. The devices have low- noise signal conditioning analog front-end (AFE) including 19-bit ADC, an industry-lead ambient light cancellation (ALC) circuit, and a picket fence detect and replace func- tion. Due to the low power consumption, compact size, ease of use, and industry-lead ambient light rejection capability of MAX86140/MAX86141, the devices are ideal for a wide variety of optical-sensing applications, such as pulse oximetry and heart rate detection. The MAX86140/MAX86141 operate on a 1.8V main supply voltage and a 3.1V to 5.5V LED driver supply voltage. Both devices support a standard SPI compatible interface and fully autonomous operation. Each device has a large 128-word built-in FIFO. The MAX86140/MAX86141 is available in compact wafer-level package (WLP) (2.048 x 1.848mm) with 0.4mm ball pitch. Introducing the MAX-HEALTH-BAND Heart Rate and Activity Monitor   Wristband Health Monitoring Demo with MAX86141 Design Solution: REALLY Smart Wearables Customize Their Power Supply › Design Solution: Choose the Proper PMIC to Boost Your Optical Sensor SNR › Design Solution: Take a Weight Off Your Chest with a Wrist-Worn ECG Monitor › Design Solution: Designing for Wearable Health and Fitness? Think Inside the Box › Design Solution: Train Your Fitness Monitor to Deal with Any Lighting Conditions ›
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Features

Complete Single-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 Test (Sample-to-Sample Variance)
Dynamic Range Extendable to >104dB for SpO2 and >110dB for HRM with Multiple Sample Modes and On-Chip Averaging
Excellent Ambient Range and Rejection Capability > 100µA Ambient Photodetector Current > 70dB Ambient Rejection at 120Hz
> 100µA Ambient Photodetector Current
> 70dB Ambient Rejection at 120Hz
Ultra-Low-Power Operation for Body 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 = 0.6µA (typ)
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 = 0.6µA (typ)
Rejection of Fast Ambient Transients
Miniature 2.048 x 1.848mm, 5 x 4 0.4mm Ball Pitch WLP
-40°C to +85°C Operating Temperature Range

Specifications

ISUPPLY (µA) (typ) 10
Shutdown Mode Supply Current (µA) (typ) 0.6
VSUPPLY (V) (min) 1.7
VSUPPLY (V) (max) 2
Resolution (bits) (ADC) 19
SNR (dB) 102
Oper. Temp. (°C) -40 to +85
Package/Pins THIN WLP/20
BudgetaryPrice (See Notes) 3.73

MAX86140ENP+ Special Function by Analog Devices

PULSE OXIMETER & HEART RATE SENSOR WLP

Semiconductors - ICs
> Special Function
Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

IC Function Pulse Oximeter & Heart-Rate Sensor
Supply Voltage Min 1.7V
Supply Voltage Max 2V
IC Package Type WLP
No. of Pins 20Pins
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

Pulse Oximeter & Heart Rate Sensor, Wlp | Newark Electronics
Optical AFE Optimized for HR o | Analog Devices

Frequently Asked Questions

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Is the MAX86140ENP+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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