ESP32-S3R8

RF Transceiver ICS Overview

The ESP32-S3R8 is an RF System on Chip (SoC) from Espressif Systems, featuring a dual-core RISC-V microprocessor operating at a maximum clock frequency of 240 MHz. It integrates Wi-Fi 802.11b/g/n and Bluetooth 5.0 capabilities within the 2.4 GHz band. The device includes 8 MB of Octal SPI PSRAM die. Electrical specifications include a maximum data rate of 150 Mbps, output power of 21 dBm, and receiver sensitivity of -98.4 dBm. It operates on a supply voltage range of 3 V to 3.6 V, with receive current of 91 mA and transmit current of 340 mA. The component is housed in a 7x7 mm QFN-56 package and supports an operating temperature range of -40°C to +85°C.

RF Transceiver ICS Feature Summary

• Integrates dual-core RISC-V MCU with 2.4 GHz Wi-Fi and Bluetooth 5.0 radio functions
• Includes 8 MB Octal SPI PSRAM die for enhanced memory performance
• Supports multiple serial interfaces including SPI, I2C, UART, USB, and I2S

RF Transceiver ICS Applications

• AIoT applications requiring integrated wireless connectivity
• Smart home devices utilizing Wi-Fi and BLE protocols
• Wearable electronics needing low-power wireless communication

RF Transceiver ICS Procurement Notes

Verify component status carefully as sources indicate conflicting information regarding availability; some listings mark it as discontinued while others show active engineering samples. Confirm specific ordering suffixes and packaging types such as Tape & Reel or Cut Tape with the distributor prior to purchase. Ensure compatibility with required voltage levels and interface configurations for your specific design implementation.

RF Transceiver ICS Selection Notes

Select this SoC when both processing power and wireless connectivity are required in a single component. The integration of 8 MB PSRAM makes it suitable for applications demanding significant data buffering or complex protocol handling. Consider the QFN-56 package constraints for PCB layout and thermal management during the design phase.

RF Transceiver ICS Part Context

This component belongs to the ESP32-S3 series, which combines high-performance computing with wireless communication. The series is designed for AIoT use cases, offering a balance of processing capability and energy efficiency. The ESP32-S3R8 specifically distinguishes itself through its substantial onboard PSRAM capacity compared to other variants in the family.

RF Transceiver ICS Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Users should consult official Espressif documentation for potential alternatives or updated series components.