RDA5807FP - Single-Chip Broadcast Fm Radio Tuner
General Description
The RDA5807FP series is the newest generation single-chip broadcast FM stereo radio tuner with fully integrated synthesizer, IF selectivity, RDS/RBDS and MPX decoder. The tuner uses the CMOS process, support multi-interface and require the least external component. The package sizes is SOP16. It is completely adjustment-free. All these make it very suitable for portable devices. The RDA5807FP series has a powerful low-IF digital audio processor, this make it have optimum sound quality with varying reception conditions. The RDA5807FP series support frequency range is from 50MHz to 115MHz.
Features
· CMOS single-chip fully-integrated FM tuner
· Low power consumption
Total current consumption lower than 20mA at 3.0V power supplywhen under normal situation
· Support worldwide frequency band
50 -108MHz
· Support flexible channel spacing mode
100KHz, 200KHz, 50KHz and 25KHz
· Support RDS/RBDS
· Digital low-IF tuner
Image-reject down-converter
High performance A/D converter
IF selectivity performed internally
· Fully integrated digital frequency synthesizer
Fully integrated on-chip RF and IF VCO
Fully integrated on-chip loop filter
· Autonomous search tuning
· Support 32.768KHz crystal oscillator
· Digital auto gain control (AGC)
· Digital adaptive noise cancellation
Mono/stereo switch
Soft mute
High cut
· Programmable de-emphasis (50/75 μs)
· Receive signal strength indicator (RSSI) and SNR
· Bass boost
· Volume control and mute
· I2S digital output interface
· Line-level analog output voltage
· 32.768 KHz 12M,24M,13M,26M,19.2M,38.4MHz Reference clock
· Only support 2-wire bus interface
· Directly support 32Ω resistance loading
· Integrated LDO regulator
2.7 to 3.3 V operation voltage
· SOP16 package.
Applications
Cellular handsets
MP3, MP4 players
Portable radios
PDAs, Notebook
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