Professional IC Distribution & Technical Solutions

The RDA5807SP is a single-chip FM stereo radio tuner manufactured by RDA Microelectronics. Below are the factual specifications, descriptions, and features:

Specifications:

• Frequency Range: 50 MHz to 115 MHz
• Tuning Resolution: 50 kHz / 100 kHz (selectable)
• Supply Voltage: 2.7V to 5.5V
• Current Consumption: ~15 mA (typical)
• Signal-to-Noise Ratio (SNR): ≥ 60 dB (mono)
• Total Harmonic Distortion (THD): ≤ 0.3% (mono)
• Stereo Separation: ≥ 35 dB
• IF Bandwidth: Adjustable (110 kHz / 130 kHz / 150 kHz / 200 kHz)
• Audio Output: Digital (I2S) and analog (DAC)
• Interface: I2C (up to 400 kHz)
• Package: SOP-16

Descriptions:

• The RDA5807SP is a fully integrated FM radio receiver with low power consumption and high sensitivity.
• It supports worldwide FM band reception (50 MHz to 115 MHz), making it suitable for various regional standards.
• The chip includes an on-chip low-noise amplifier (LNA), mixer, PLL, IF amplifier, FM demodulator, stereo decoder, and audio processing.
• It features an integrated digital audio processor with soft mute, bass boost, and volume control.

Features:

• Digital Tuning: Supports automatic and manual tuning with seek function.
• RDS/RBDS Support: Optional for stations broadcasting Radio Data System (RDS) or RBDS.
• Low External Component Count: Requires minimal external components (few passives and a crystal).
• Soft Mute & Bass Boost: Enhances audio quality.
• Volume Control: Digital volume adjustment (0 to 15 steps).
• Standby Mode: Low power consumption when inactive.
• I2C Control: Simple microcontroller interface for configuration and tuning.

The RDA5807SP is commonly used in portable radios, MP3 players, car audio systems, and other FM receiver applications.