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Analog Devices Inc./Maxim Integrated MAXM86161EFD+
- Part No.:
- MAXM86161EFD+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Specialized ICs
- Package:
- 14-LFLGA
- Description:
- IC DATA ACQU SYST 14OLGA
- Quantity:
Unit Price:$0
Ext Price:$0
- Payment:
- Shipping:
Product Details
MAXM86161EFD+ - Integrated Optical Sensing Module
Analog Devices / Maxim Integrated MAXM86161EFD+ is a compact single-supply optical data-acquisition module for reflective heart-rate and SpO2 measurement designs. The manufacturer specifies a 14-pin OLGA optical package; LCDChip currently records 14-LFLGA, which requires mechanical reconciliation.
Exact ordering code and technical characteristics were checked against the manufacturer MAXM86161 Rev. 1 data sheet. Validate the controlled package drawing and application performance before design release.
Overview
The MAXM86161 integrates three programmable LED current drivers, a photodiode, optical analog front end and a 19-bit ADC in a small module. Ambient-light cancellation and filtering support reflective optical measurements. An I2C host interface and sample FIFO simplify periodic data capture by a microcontroller.
Key Advantages
Photodiode, readout channel and LED drivers reside in one module.
Analog cancellation and digital filtering address changing background illumination.
Software controls LED sequencing, current and integration timing.
A 128-sample FIFO reduces the need for continuous host reads.
Feature Summary
One readout channel with 19-bit current-mode ADC and programmable full-scale range.
Three 8-bit LED current DACs for green, infrared and red optical paths.
I2C control, interrupt output and programmable GPIO.
Shutdown and dynamic power-management options for mobile sensing systems.
Package & Footprint
The LCDChip register names this package 14-LFLGA, while ADI's exact MAXM86161EFD+ ordering table states a 14-pin OLGA optical module measuring 4.3 mm × 2.9 mm × 1.4 mm. The names are not considered interchangeable without a controlled land-pattern and optical-window comparison.
- Compare ADI's OLGA footprint, pin-one orientation and solder land pattern.
- Maintain the optical window, enclosure clearance and light-isolation geometry.
- Respect the separate analog, digital and LED power-return recommendations.
The registered JPG is missing locally and returns HTTP 404 on the production site. Resolve package naming and image availability before publication.
Pin Functions
Manufacturer Rev. 1 pin descriptions for the MAXM86161 optical module include:
I2C data input/output and serial clock input.
Internal LDO enable and decoupled LDO output.
LED supply input and LED power return.
Digital and analog ground returns.
Reference decoupling, programmable GPIO and open-drain interrupt.
Manufacturer says solder for mechanical stability, but do not connect to ground or a signal.
Use the official pin diagram and recommended bypass connections; these numbers must not be mapped to an unverified 14-LFLGA drawing.
Key Specifications
| Exact ordering code | MAXM86161EFD+ |
|---|---|
| Function | Integrated reflective optical acquisition module |
| Manufacturer package | 14-pin OLGA, 4.3 × 2.9 × 1.4 mm |
| Catalog package | 14-LFLGA, equivalence unverified |
| VLED supply range | 3.0 V to 5.5 V |
| Operating temperature | -40 °C to +85 °C |
| Optical readout channels | 1 |
| ADC resolution | 19 bits |
| LED current DACs | 3 channels, 8 bits each |
| ADC sample-rate programming | 8 to 4096 samples/s |
| FIFO depth | 128 samples, per detailed description |
| I2C serial clock | Up to 400 kHz, per timing table |
| Shutdown current | 1.6 µA typical |
Typical values are not guaranteed limits. Optical and current specifications depend on stated measurement conditions; consult the full manufacturer tables.
Replacement Considerations
Other optical sensing modules, including related MAXM86161 order variants, are not presumed drop-in replacements. Check LED wavelengths and driver ranges, photodiode placement, optical geometry, host register map, I2C logic levels, VLED, temperature, certifications and exact mechanical drawings. Do not infer that an LFLGA footprint matches ADI's OLGA optical module. No unverified internal LCDChip link is provided.
Manufacturer Information
Analog Devices lists MAXM86161EFD+ in the MAXM86161 family. Its Rev. 1 data sheet specifies the exact package dimensions, pin functions, integrated optical chain, interface and operating range. Use the latest manufacturer-controlled revision for qualification and layout.
Applications
Compact optical designs that can support heart-rate signal acquisition.
Space-constrained battery-operated optical monitoring hardware.
Red/infrared optical acquisition for validated SpO2 system designs.
Continuous optical sample collection for downstream analysis.
Quality & Authenticity
Verify exact MAXM86161EFD+ markings and manufacturer traceability. Inspect optical surfaces and moisture/handling controls for the delivered module. The manufacturer ordering table identifies the plus-suffix package as lead-free/RoHS compliant; obtain current declarations for the required program.
FAQ
What does the module integrate?
A photodiode, optical readout chain, 19-bit ADC, ambient-light cancellation and three LED current drivers.
Is the catalog's 14-LFLGA designation confirmed?
No. ADI calls this exact part a 14-pin OLGA optical module; review controlled dimensions and optical layout.
Does the part itself guarantee clinical measurement accuracy?
No. End-system optics, algorithms and validation determine application performance.
Engineering Notice
Manufacturer documents govern electrical and optical design. The registered 14-LFLGA package label is not yet reconciled with ADI's OLGA specification, and the registered JPG is unavailable. Hold release until package identity, artwork and application-level validation are complete.
MAXM86161EFD+ Information
- Specifications
- Tags
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 14-LFLGA
- Packaging:
- Strip
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- Data Acquisition Systems (DASs)
- Applications:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-OLGA (2.9x4.3)
- Grade:
- -
- Qualification:
- -
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