MAX32665GXMBT+ Analog Devices Integrated Circuit (BGA) In Stock
The MAX32665GXMBT+ is a low-power Arm Cortex-M4 microcontroller with FPU from Analog Devices, running at up to 96 MHz with integrated cache, ADC, and DMA in a 121-ball BGA package. It targets wearable and IoT applications requiring floating-point performance with minimal current draw. Available from stock worldwide with fast shipping.
- Manufacturer
- Analog Devices
- Package
- BGA
- Pin Count
- 121
- Lifecycle
- ACTIVE
- Datasheet
- MAX32665GXMBT+ Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Arm Cortex-M4 core with hardware FPU running at up to 96 MHz for efficient DSP and sensor fusion workloads
- Integrated cache and DMA channels reducing CPU overhead and enabling low-power burst data processing in wearable designs
- 121-ball BGA package with ADC and boundary scan support enabling compact, high-integration IoT node designs
Applications
The MAX32665GXMBT+ is designed for ultra-low-power wearable health monitors, fitness trackers, and IoT sensor hubs where Arm Cortex-M4 floating-point performance is needed within a tight power budget. Its 96 MHz clock, integrated cache, and DMA enable real-time sensor fusion algorithms such as heart-rate and motion processing without waking the main CPU continuously. The compact 121-ball BGA package suits space-constrained smartwatch and medical patch form factors.
Specifications
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | YES |
| CPU Family | CORTEX-M4 |
| Clock Frequency-Max | 96MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| Format | FLOATING POINT |
| Integrated Cache | YES |
| JESD-30 Code | S-PBGA-B121 |
| Low Power Mode | YES |
| Number of DMA Channels | 16 |
| Number of I/O Lines | 50 |
| Number of Serial I/Os | 3 |
| Number of Timers | 8 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | BGA121,11X11,25 |
| Package Shape | SQUARE |
| Package Style | GRID ARRAY, LOW PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| RAM (bytes) | 573440 |
| ROM (words) | 1048576 |
| ROM Programmability | FLASH |
| Speed | 96MHz |
| Supply Voltage-Max | 1.21V |
| Supply Voltage-Min | 0.72V |
| Supply Voltage-Nom | 1.1V |
| Surface Mount | YES |
| Technology | CMOS |
| Terminal Form | BALL |
| Terminal Pitch | 0.65mm |
| Terminal Position | BOTTOM |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | BGA |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 3A991.a.2 |
| HTS Code | 8542.31.00.25 |
| Country of Origin | Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum operating frequency of the MAX32665GXMBT+, and does the FPU help with sensor fusion math?
The MAX32665GXMBT+ runs at up to 96 MHz on its Arm Cortex-M4 core. The hardware floating-point unit (FPU) accelerates 32-bit IEEE 754 operations, reducing cycle counts for quaternion-based motion fusion and heart-rate algorithms by 4x to 10x versus software-float on a Cortex-M0.
Which wearable form factors can use the MAX32665GXMBT+ given its BGA package dimensions?
The 121-ball BGA package (S-PBGA-B121) has a footprint small enough for smartwatch modules and medical patch PCBs where board area under 10mm x 10mm is common, while the ADC and DMA integration reduce external component count and further shrink board size.
Does the MAX32665GXMBT+ include an ADC for direct sensor input, and how many DMA channels does it provide?
Yes, the MAX32665GXMBT+ integrates an ADC for analog sensor acquisition and supports multiple DMA channels (confirmed present in specs), allowing background data transfers from peripherals at 96 MHz core speed without CPU intervention, which is key for low-power wearable operation.
When would a designer choose the MAX32665GXMBT+ over a simpler Cortex-M0 for an IoT node?
A designer picks the MAX32665GXMBT+ when the application runs floating-point DSP or machine-learning inference at 96 MHz, requires integrated cache to reduce Flash access latency, or needs DMA-driven ADC sampling — capabilities absent in most Cortex-M0 parts while still targeting sub-milliamp active current budgets.
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About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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