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AM/FM radio receiver

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Download: For Datasheet

The RDA5830/1 is a single-chip broadcast FM/AM/LW/SW (LW/SW only for RDA5830) receiver with fully integrated synthesizer, IF selectivity and MPX decoder. The chip uses the CMOS process, support multi-interface and require the least external component. The package size is 4X4mm and is completely adjustment-free. All these make it very suitable for portable devices.


The RDA5830/1 has a powerful low-IF digital audio processor, this make it have optimum sound quality with varying reception conditions.


The RDA5830/1 use auto frequency calibration, this make it have perfectly performance and agility.

The RDA5830/1 support world band FM/AM (RDA5831 alos suppory LW/SW) frequency band receive, support weather band and also support RDS/RBDS receive .


The RDA5830/1 directly support wide power supply range (1.8V~5V).



1.CMOS single-chip fully-integrated FM/AMreceiver

2.Lowpower consumption:
   ♦ Total current consumption lower than 20mA at
   ♦ FM mode and 23mA at AMmode

3.Support worldwide and campus frequency band:
    ♦ 500-2000 KHz AMband
    ♦ 65-220MHz FMband
    ♦ 150-500KHz LWband (RDA5831 only)
    ♦ 2-30MHz SWband (RDA5831 only)
    ♦ Weather band

4.Digital low-IF tuner:
    ♦ Image-reject down-converter
    ♦ High performance A/D converter
    ♦ IF selectivity performed internally

5.Fully integrated digital frequency synthesizer:
    ♦ Fully integrated on-chip RF and IF VCO
    ♦ Fully integrated on-chip loop filter

6.Autonomous search tuning

7.Support RDS/RBDS receive

8.Support SNRFMsearching

9.Include 4Kmemory

10.Support 32.768KHz crystal oscillator

11.Digital auto gain control (AGC)

12.Digital adaptive noise cancellation:
      ♦ Mono/stereo switch
      ♦ Soft mute
      ♦ High cut

13.Programmable de-emphasis (50/75 ms)

Download: For Datasheet

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