Description

The Si4730-C40-GUR is a digital CMOS AM/FM radio receiver IC that combines the broadcast tuner and receiver functions. It features a low-IF architecture for high TDMA noise immunity, superior radio performance, and high fidelity audio power amplification.

Specifications and features

- Worldwide FM band support (64–108 MHz)
- Worldwide AM band support (520–1710 kHz)
- SW band support (2.3–26.1 MHz)
- LW band support (153–279 kHz)
- Excellent real-world performance
- Integrated VCO
- Advanced AM/FM seek tuning
- Automatic frequency control (AFC)
- Automatic gain control (AGC)
- Digital FM stereo decoder
- Programmable de-emphasis
- Advanced Audio Processing
- Seven selectable AM channel filters
- AM/FM/SW/LW digital tuning
- EN55020 compliant
- No manual alignment necessary
- Programmable reference clock
- Adjustable soft mute control
- RDS/RBDS processor (Si4731/35)
- Digital audio out
- 2-wire and 3-wire control interface
- Integrated LDO regulator
- Wide range of ferrite loop sticks and air loop antennas supported
- QFN and SSOP packages
- RoHS compliant

Application Scenarios

- Table and portable radios
- Mini/micro systems
- CD/DVD and Blu-ray players
- Stereo boom boxes
- Modules for consumer electronics
- Clock radios
- Mini HiFi and docking stations
- Entertainment systems

Comparison