C8051F350-GQR

Overview

The C8051F350-GQR is an 8-bit mixed-signal microcontroller from Silicon Labs, featuring a high-speed CIP-51 core operating at up to 50 MHz. It integrates 8 kB of in-system programmable Flash memory and 768 bytes of RAM. The device includes a 24-bit sigma-delta ADC with an 8-input multiplexer and programmable gain amplifier, alongside two 8-bit current-output DACs. Digital peripherals comprise four 16-bit timers, a PCA, UART, SMBus, and SPI interfaces. It operates on a 2.7 V to 3.6 V supply within a -40°C to +85°C temperature range.

Feature Summary

• High-performance pipelined 8051 core delivering up to 50 MIPS throughput
• Integrated 24-bit analog-to-digital converter with programmable gain and low nonlinearity
• On-chip debug circuitry enabling full-speed, non-intrusive in-system debugging without external emulators
• Complete system-on-a-chip solution with internal oscillator, voltage reference, and power management modes

Applications

• Analog-intensive data acquisition systems
• Precision sensor signal conditioning
• Industrial control applications requiring isolated I/O
• Battery-powered devices utilizing low-power stop modes

Procurement Notes

Verify component authenticity through authorized Silicon Labs distributors or certified partners. Confirm the specific GQR package suffix matches the required 32-LQFP form factor for PCB layout compatibility. Review the latest datasheet revision for any updates regarding electrical characteristics or pin definitions prior to finalizing procurement orders.

Selection Notes

Select this model when high-resolution analog conversion is critical due to its 24-bit ADC capability. It is suitable for designs needing flexible digital I/O configuration via the crossbar. Consider alternative C8051F35x variants if different memory sizes or additional communication interfaces like USB are required for the specific application constraints.

Part Context

This component belongs to the C8051F35x family of analog-intensive microcontrollers. It shares the same core architecture and peripheral set as the C8051F351, F8051F352, and C8051F353, differing primarily in memory configurations and specific analog features. The family is designed for standalone operation with minimal external components.

Replacement Considerations

Public confirmed substitute part numbers: None available.