FM tuner solution

Features
- Worldwide FM band support (76–108 MHz)
- 3x3 mm 20-pin QFN package
-Pb-free/RoHS compliant
- Digital low-IF receiver
- Frequency synthesizer with integrated VCO
- Seek tuning
- Automatic frequency control (AFC)
- Automatic gain control (AGC)
- Excellent overload immunity
- Signal strength measurement
- Programmable de-emphasis (50/75 μs)
- Adaptive noise suppression
- Volume control
- Line-level analog output
- 32.768 kHz reference clock
- RDS/RBDS processor (Si4703 only)
- 2-wire and 3-wire control interface
- 2.7 to 5.5 V supply voltage
- Integrated LDO regulator allows direct connection
to battery

SI4702,4703? 这东东确实是业界最小的了

还有rda5802