RDA5876

The RDA5876 from RDA Microelectronics is a highly integrated single-chip solution designed for mobile applications, combining both Bluetooth and FM radio tuner capabilities. This device is optimized for low power consumption, making it suitable for battery-powered devices where both Bluetooth and FM radio functionalities need to operate simultaneously and independently.

Key features include compliance with Bluetooth 2.1 + EDR specifications, a receiver sensitivity of -90dBm, and a transmitter power of +10dBm. It supports up to 4Mbps high-speed UART HCI and features an ARM7-based microprocessor with on-chip ROM and RAM. The chip is manufactured using CMOS process and comes in a compact 4x4mm 32-pin QFN package, minimizing board space and reducing customer costs.

This IC is designed for easy and rapid integration into products, enabling a faster time to market. Its architecture supports Bluetooth Piconet and Scatternet, meets class 1, 2, and 3 transmitting power requirements, and includes an internal LDO for direct battery power supply. The RDA5876 also supports DCXO with an internal oscillator circuit and AFH, along with 3-wire WIFI Co-existence handshake signals.