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Analog Devices Inc./Maxim Integrated MAX32600-J85A+
- Part No.:
- MAX32600-J85A+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Application Specific Microcontrollers
- Package:
- 120-TFBGA
- Datasheet:
-
MAX32600-J85A+.pdf
- Description:
- IC SECURE MEAS SENSOR
- Quantity:
- Payment:
- Shipping:
Inventory:2,569
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Product details
Overview
The MAX32600-J85A+ from Maxim Integrated is an ARM Cortex-M3-based wellness measurement microcontroller operating at up to 24MHz, featuring 256KB flash, 32KB SRAM, a 2KB instruction cache, and integrated high-performance analog front-end (AFE) including a 16-bit ADC with PGA, dual 12-bit DACs, four op-amps, and secure Trust Protection Unit. It targets wearable medical devices requiring precision biopotential acquisition and low-power operation.
For engineers reviewing the MAX32600-J85A+ datasheet, MAX32600-J85A+ pinout, MAX32600-J85A+ application, or MAX32600-J85A+ equivalent, key selection considerations include its 16-bit ADC with 500ksps throughput, LP1 mode current of 1.8µA with RTC enabled, integrated USB Full-Speed PHY, Trust Protection Unit with AES/ECDSA/TRNG, and support for 108-ball WLP, 120-ball CTBGA, or 192-ball CTBGA packages.
Technical Context
The MAX32600-J85A+ implements a tightly coupled AFE architecture where the 16-bit ADC supports differential 8:1 or single-ended 16:1 input muxing, programmable gain (1/2/4/8), internal reference options (1.024V–2.5V), and decimation filtering up to Nd=64 for enhanced SNR (up to 89.9dB). Its Trust Protection Unit includes hardware AES, µMAA for ECDSA/RSA, TRNG, and fast-erase SRAM for secure key storage.
Power management features six low-power modes (LP0–LP3), with LP1 delivering 1.8µA VDD supply current and 15µs wakeup while retaining RAM data, and LP0 consuming only 850nA with RTC disabled. Peripheral clock gating and a 6-channel DMA engine enable autonomous sensor data acquisition during sleep.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M3, 24MHz max - deterministic real-time execution for time-critical biosignal processing. |
| Memory | 256KB flash + 32KB SRAM + 2KB instruction cache - sufficient for firmware, calibration tables, and buffered sensor data without external memory. |
| ADC Resolution & Rate | 16-bit, up to 500ksps (PGA bypass) - enables high-fidelity pulse oximetry and GSR waveform capture. |
| Low-Power Modes | LP1: 1.8µA with RTC + data retention + 15µs wakeup - extends battery life in intermittent-sampling wearables. |
| Security Engine | AES hardware accelerator + µMAA + TRNG - meets HIPAA/ISO 13485 requirements for encrypted patient data handling. |
| USB Interface | Full-Speed (12Mbps) PHY with integrated transceiver - enables direct PC connectivity for firmware updates and clinical data export. |
| Analog Peripherals | 2×12-bit DACs, 2×8-bit DACs, 4 op-amps, 4 comparators, 4 SPST switches - supports closed-loop stimulation and multi-channel sensor biasing. |
Pinout & Package
The MAX32600-J85A+ is packaged in a 108-ball Wafer-Level Package (WLP), 0.4mm pitch, 5.4mm × 4.3mm footprint - optimized for ultra-compact wearable designs requiring minimal PCB area.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA3 | Analog domain supply | 2.3V–3.6V dedicated rail for ADC/DAC/AFE - ensures clean analog performance independent of digital noise. |
| AIN0± to AIN7± | Differential analog inputs | Eight fully differential input pairs with internal mux - supports simultaneous multi-parameter acquisition (e.g., SpO₂ + GSR + temperature). |
| REFADC / REFDAC | Reference voltage outputs | Programmable internal references (1.024V/1.5V/2.048V/2.5V) - eliminates need for external precision references in portable devices. |
| D+/D− | USB Full-Speed differential pair | Integrated PHY with 1.5kΩ pull-up on D+ - enables plug-and-play USB connectivity without external transceiver. |
| TCK/TDO/TDI/TMS | JTAG debug interface | Standard 4-pin boundary-scan interface - supports in-circuit debugging and production programming via SWD/JTAG. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated AFE with 16-bit ADC + PGA | Eliminates ≥8 discrete analog components per channel, reducing BOM cost and board space in wearable medical sensors. |
| Trust Protection Unit with AES/ECDSA/TRNG | Enables end-to-end encryption of physiological data and secure boot verification - critical for FDA Class II device certification. |
| LP1 mode: 1.8µA with RTC + 15µs wakeup | Supports sub-second periodic sampling (e.g., every 500ms) while achieving >1-year coin-cell battery life in pulse oximeters. |
| 108-ball WLP (5.4mm × 4.3mm) | Reduces PCB footprint by >60% vs. 120-ball CTBGA - essential for earbud- or patch-form factor wearables. |
| Four uncommitted op-amps + four ground switches | Enables flexible signal conditioning (e.g., active filtering, level-shifting, electrode biasing) without external amplifiers. |
Applications
| Pulse Oximetry Measurement | Galvanic Skin Response Measurement |
|---|---|
Use Scenario: Continuous non-invasive blood oxygen saturation monitoring in wrist-worn or fingertip sensors. IC Role / Device Role / Timing Role: Primary controller executing LED drive timing, synchronized ADC sampling, and SpO₂ algorithm computation. Use Value: Integrated 16-bit ADC with 500ksps and programmable PGA enables accurate red/IR photodiode signal digitization with <1% RMS error. | Use Scenario: Stress-level detection via skin conductance changes in smart rings or wristbands. IC Role / Device Role / Timing Role: Precision current source + high-resolution ADC for sub-µS conductivity measurement. Use Value: Four low-power comparators and programmable buffers allow adaptive excitation and noise-rejecting synchronous demodulation. |
| Blood Glucose Metering | Wearable ECG Monitoring |
Use Scenario: Handheld or patch-based electrochemical glucose sensing using disposable test strips. IC Role / Device Role / Timing Role: Analog front-end controller managing strip insertion detection, bias voltage generation, and amperometric current integration. Use Value: Two 12-bit DACs provide precise, stable bias voltages (e.g., 0.5V/0.7V) for enzyme reaction control; internal temperature sensor enables automatic compensation. | Use Scenario: Single-lead ECG acquisition in chest patches or smart clothing with motion artifact rejection. IC Role / Device Role / Timing Role: High-impedance analog front-end with programmable gain and notch filtering before digitization. Use Value: Four operational amplifiers configured as instrumentation amplifier + right-leg drive + high-pass filter reduce common-mode interference and baseline wander. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar wellness measurement microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADuCM3029BBCZ | ARM Cortex-M3 @ 26MHz; 256KB flash/64KB SRAM; integrated 12-bit SAR ADC (no PGA); no integrated USB PHY. | Lacks integrated USB and programmable gain amplifier - requires external transceiver and signal conditioning for wearable data export and weak biosignals. | Select when USB connectivity is unnecessary and higher SRAM is needed for complex algorithms. |
| STM32L476RG | ARM Cortex-M4F @ 80MHz; 1MB flash/128KB SRAM; 12-bit ADC (2.4Msps); no integrated AFE or security engine. | Higher CPU performance but lacks dedicated analog peripherals (PGA, DACs, op-amps) and hardware crypto - increases BOM and firmware complexity. | Select for general-purpose low-power IoT where biosignal precision is secondary to compute throughput. |
Compared with ADuCM3029BBCZ and STM32L476RG, the MAX32600-J85A+ delivers superior system integration for medical wearables through its on-die AFE, Trust Protection Unit, and USB PHY - reducing total component count by ≥12 and eliminating external security co-processors required by the alternatives.
Availability
MAX32600-J85A+ is available at Aetrix Electronics and suitable for wearable medical devices, pulse oximetry systems, galvanic skin response monitors, and blood glucose meters requiring stable component supply across long product lifecycles.
Supply support for MAX32600-J85A+ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Maxim Integrated, now part of Analog Devices, designs precision analog and mixed-signal ICs for industrial, medical, and communications applications.
The MAX32600-J85A+ belongs to Maxim's wellness measurement microcontroller product line, engineered specifically for ultra-low-power, high-accuracy biosignal acquisition in compact, battery-operated medical wearables.
FAQ
What is the maximum ADC sampling rate of the MAX32600-J85A+?
The MAX32600-J85A+ achieves up to 500ksps in PGA-bypass mode with the 16-bit ADC. At PGA gain = 8, the throughput reduces to 421ksps due to increased acquisition time. This rate supports real-time capture of photoplethysmography (PPG) waveforms and other fast biosignals without external oversampling.
Does the MAX32600-J85A+ support USB device functionality out of the box?
Yes, the MAX32600-J85A+ integrates a full-speed USB 2.0 PHY with D+/D− pins, internal pull-up resistor on D+, and USB controller logic. No external transceiver is required - enabling immediate USB device enumeration for firmware updates or clinical data transfer in wearable medical products.
How does the Trust Protection Unit in the MAX32600-J85A+ enhance medical device security?
The MAX32600-J85A+ Trust Protection Unit includes hardware AES-128/256, µMAA for ECDSA/RSA key generation and signing, TRNG, and fast-erase SRAM for ephemeral key storage. This enables secure boot, encrypted firmware updates, and HIPAA-compliant patient data encryption - meeting IEC 62304 and FDA cybersecurity guidance for Class II devices.
What package options are available for the MAX32600-J85A+?
The MAX32600-J85A+ is offered exclusively in the 108-ball Wafer-Level Package (WLP), 0.4mm pitch, 5.4mm × 4.3mm footprint. This ultra-compact package is distinct from the broader MAX32600 family's 120-ball CTBGA and 192-ball CTBGA variants - optimized for space-constrained wearable form factors.
Can the MAX32600-J85A+ operate from a single 3V coin cell battery?
Yes, the MAX32600-J85A+ operates across VDD = 1.8V–3.6V and achieves 1.8µA supply current in LP1 mode with RTC enabled and RAM retained. Combined with its 15µs wakeup time, this allows efficient duty-cycled operation - enabling multi-year battery life in devices powered by CR2032 or similar coin cells.
MAX32600-J85A+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 120-TFBGA
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Applications:
- Wellness Measurement
- Core Processor:
- ARM® Cortex®-M3
- Program Memory Type:
- FLASH (256kB)
- Controller Series:
- MAX32600
- RAM Size:
- 32K x 8
- Interface:
- I2C, SPI, UART/USART, USB
- Number of I/O:
- 64
- Voltage - Supply:
- 1.8V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 120-CTBGA (7x7)
MAX32600-J85A+ FAQ
1.How can I place an order for MAX32600-J85A+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX32600-J85A+ on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MAX32600-J85A+ reliable?
The price and inventory of MAX32600-J85A+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX32600-J85A+ is usually 5 days.
3.What payment methods are accepted for MAX32600-J85A+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX32600-J85A+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX32600-J85A+?
MAX32600-J85A+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX32600-J85A+ order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MAX32600-J85A+?
For technical support, including MAX32600-J85A+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX32600-J85A+ requirements.
6.How does Aetrix verify that MAX32600-J85A+ is sourced from the original manufacturer or authorized distributors?
All MAX32600-J85A+ products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MAX32600-J85A+ meets industry standards.
7.What is the process for return or replacement of MAX32600-J85A+?
All MAX32600-J85A+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX32600-J85A+, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MAX32600-J85A+ part is unused and in its original packaging.
Return procedure for MAX32600-J85A+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX32600-J85A+ Tags
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