Data Sheet
MAX86176/MAX30005
Ultra-Low-Power, Optical PPG and Single-Lead ECG AFE
General Description
Benefits and Features
PPG (MAX86176)
● Complete Dual-Channel Optical-Data Acquisition System
● Ultra-Low-Power Operation for Wearable Devices
• Optical Readout Channel < 11μA (typ) at 25fps
• 14.6μs to 117.1μs ADC Integration Time
• Low Shutdown Current < 1μA (typ)
The MAX86176 is a complete photoplethysmogram (PPG)
and electrocardiogram (ECG) analog front-end (AFE) solution
for wearable applications. The MAX30005 is a complete AFE
solution for ECG only. Both AFEs offer high performance for
fitness and clinical applications with ultra-low power for long
battery life.
● Signal to Noise Ratio (SNR) up to 110dB with Average
(Avg) Mode and Off-Chip Filtering
● Supports Frame Rates from 1fps to 2kfps
● High-Resolution 20-bit Charge-Integrating ADCs
Both MAX86176 and MAX30005 feature an ECG channel,
EMI filtering, internal-lead biasing, AC and DC lead-off detec-
tion, right-leg drive, ultra-low power DC lead-on detection
during standby mode, and extensive calibration voltages for
built in self-test. In addition, the MAX86176 has a PPG data
acquisition system supporting up to 6 LEDs and 4 photodiode
inputs, which is fully synchronized with the ECG signal path.
The MAX86176/MAX30005 can operate with either internal
or external clock. The MAX86176/MAX30005 are designed
to meet IEC 60601-2-47 Ambulatory ECG Systems monitor-
ing compliance for even the most challenging dry electrode
applications.
● Low Dark-Current Noise of < 50pA
RMS
● Excellent Ambient Range and Rejection Capability
• > 100μA Ambient Photodiode Current
• > 90dB Ambient Rejection at 120Hz (Avg > 2)
ECG (MAX86176/MAX30005)
● Clinical-Grade ECG AFE with High-Resolution ADC
• 15.6 ENOB with 0.6μV
Noise over 0.05Hz to 40Hz
RMS
● Very Low Input-Bias Current (-40°C to +85°C)
• 233fA Input-Current Noise (0.05Hz to 40Hz,
The MAX86176/MAX30005 are available in a 6x6 36-bump
wafer-level packages (WLP), operating over the -40ºC to
+85ºC temperature range.
RMS
T = +25°C)
A
● Fully Differential Input Structure with CMRR > 110dB at
Power-Line Frequencies
● High-Input Impedance > 1GΩ for Extremely Low
Common to Differential-Mode Conversion
● High DC-Offset Range of ±1300mV (typ 1.8V) Allows a
Wide Variety of Electrodes to be Used
Applications
PPG (MAX86176)
● Wearable Devices for Fitness, Wellness and Medical
Applications with Clinical Accuracy
● Suitable for Wrist, Finger, Ear and Other Locations
● Optimized Performance to Detect Heart Rate, Oxygen
● High AC-Dynamic Range of > 90mV
Helps Prevent
P-P
Saturation in the Presence of Motion
● ECG Biopotential Channel Can Be Used for Some EEG
Applications
Saturation (SpO ), Muscle and Tissue Oxygen Satura-
2
tion(SmO and StO ), and Body Hydration
2
2
ECG (MAX86176/MAX30005)
● Single-Lead Event Monitors for Atrial Fibrillation (A-Fib)
and other Arrhythmia Detection
• Higher-Gain Ranges Available (480V/V, 960V/V)
• Low Input-Referred Voltage and Current Noise Enables
Use of Small-Area Dry Electrodes
● Single-Lead Wireless Patches for At-Home/In-Hospital
Monitoring
● Chest-Band Heart-Rate Monitors for Fitness Applications
● Biometric Authentication and ECG-on-Demand Applications
SYSTEM
● Shutdown Current of 0.5μA (typ)
● 256-Word FIFO for ECG and PPG
● True Synchronous ECG and PPG Data from Dedicated
Signal Paths
PPG-ECG SYNC (MAX86176)
● Fully Synchronized PPG and ECG Signal Path for PTT
Measurements
● Two Fully Configurable Interrupts
● High-Speed SPI Interface or I C Interface
2
● Small 2.728mm x 2.708mm WLP Package
Visit Web Support to complete the nondisclosure agreement (NDA) required to receive additional product information.
Rev. 3
Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices
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for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change
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