SAMD51J in SAM Microcontrollers Family
The SAMD51J series by Microchip Technology is a sub-family of high-performance microcontrollers based on the 32-bit ARM Cortex-M4F processor with a Floating Point Unit. Designed to bridge the gap between low-power M0+ devices and high-end application processors, these MCUs operate at frequencies up to 120MHz. They provide a robust peripheral set including dual 12-bit ADCs, high-speed USB, and hardware security features, making them a standard choice for compute-intensive embedded tasks requiring low power consumption.
Variants in This Sub-Family
Comparing specs that differ across variants.
| Part Number | Package | Temp Range | Stock |
|---|---|---|---|
| ATSAMD51J19A-MU (Microchip) | VFQFN-64 | -40degC ~ 85degC (.. | 3,029 |
| ATSAMD51J19A (Microchip Technology) | VFQFN-64 | -40degC ~ 85degC (.. | 5,449 |
| ATSAMD51J19A-MFT (Microchip Technology) | VFQFN-64 | -40degC ~ 125degC .. | 12,743 |
| ATSAMD51J19A-MUT (Microchip Technology) | VFQFN-64 | -40degC ~ 85degC (.. | 2,474 |
| ATSAMD51J19A-AU (Microchip Technology) | TQFP-64 | -40degC ~ 85degC (.. | — |
Variants within the SAMD51J family primarily differ in memory density, package type, and thermal rating. Flash capacities range from 512KB to 1024KB, paired with corresponding SRAM tiers. Packaging options include 64-pin TQFP for easier prototyping and VQFN for space-constrained designs. Some variants, denoted by 'FT' or 'MT' suffixes, are qualified for extended temperature ranges up to 125°C, while standard units target 85°C environments.
