C8051F398-A-GMR

Overview

The C8051F398-A-GMR is an 8-bit mixed-signal microcontroller from the Silicon Labs C8051F39x family, featuring a pipelined CIP-51 core with up to 50 MIPS throughput at a 50 MHz clock. It integrates 16 kB of in-system programmable Flash memory and 1 kB of internal data RAM. The device includes analog peripherals such as a 10-bit ADC with 500 ksps throughput, two 10-bit current output DACs, and a precision temperature sensor accurate to ±2 °C. It operates on a supply voltage of 1.8 V to 3.6 V and supports an extended industrial temperature range of –40 °C to +105 °C.

Feature Summary

• High-performance 8051-compatible core executing 70% of instructions in one or two system clocks for efficient processing.
• Integrated analog signal chain including a high-speed 10-bit ADC, dual 10-bit current mode DACs, and a calibrated temperature sensor.
• Flexible digital connectivity with multiple serial interfaces including UART, SMBus (I2C compatible), and SPI.
• Comprehensive power management capabilities supporting active, idle, stop, and suspend modes for optimized energy consumption.

Applications

• Industrial control systems requiring precise analog monitoring and robust digital communication
• Battery-powered devices utilizing low-power stop and suspend modes for extended operational life
• Data acquisition systems leveraging the high-speed ADC and programmable comparator features

Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheet specifications. Confirm package integrity and pin alignment for the QFN-20 configuration. Ensure compatibility with existing design constraints regarding supply voltage ranges and thermal operating limits before integration into final assemblies.

Selection Notes

Select this component when a footprint-compatible upgrade from the C8051F33x series is required without code modification. Choose this model specifically for applications demanding the extended –40 °C to +105 °C temperature range. Consider this part over the F37x variants if EEPROM storage is not needed but higher flash capacity is required.

Part Context

This microcontroller belongs to the C8051F39x family, which serves as the next-generation successor to the widely deployed C8051F33x series. It maintains hardware and software compatibility while offering enhanced performance metrics and additional peripheral features. The device represents a standalone system-on-chip solution designed for cost-sensitive and space-constrained embedded applications.

Replacement Considerations

The C8051F398-A-GM is the tube-pack equivalent of this reel-part. For direct functional substitution within the same package, consider other members of the C8051F39x family such as the C8051F396-A-GMR or C8051F397-A-GMR, provided their specific memory and peripheral configurations align with design requirements.