原装正品，长期热卖现货
The RDA5802HS is a new generation single-chip broadcast FM stereo radio tuner with fully integrated synthesizer, IF selectivity and MPX decoder. The tuner uses the CMOS process,support multi-interface and require the least external component. The package size is 3X3 mm and is completely adjustment-free. All these make it very suitable for portable devices.
The RDA5802HS has a powerful low-IF digital audio processor, this make it have optimum sound quality with varying reception conditions.
The RDA5802HS can be tuned to the worldwide frequency band, even support frequency range 50~65MHz.
Features
1、 CMOS single-chip fully-integrated FM tuner
2、 Low power consumption
Total current consumption lower than 21mA at 3.0V power supply when under normal situation
3、 Support worldwide frequency band
50 -108 MHz
4、 Support flexible channel spacing mode
100KHz, 200KHz, 50KHz and 25KHz
5、 Digital low-IF tuner
Image-reject down-converter
High performance A/D converter
IF selectivity performed internally
6、 Fully integrated digital frequency synthesizer
Fully integrated on-chip RF and IF VCO
Fully integrated on-chip loop filter
7、 Autonomous search tuning
8、 Support 32.768KHz crystal oscillator
9、 Digital auto gain control (AGC)
10、Digital adaptive noise cancellation
Mono/stereo switch
Soft mute
High cut
11、Programmable de-emphasis (50/75 μs)
12、Receive signal strength indicator (RSSI) and SNR
13、Bass boost
14、Volume control and mute
15、I2S digital output interface
16、Line-level analog output voltage
17、32.768 KHz 12M,24M,13M,26M,19.2M,38.4MHz Reference clock
18、2-wire serial control bus interface
19、Directly support 32Ω resistance loading
20、Integrated LDO regulator
1.8 to 5.5 V operation voltage
21、3X3mm 20 pin QFN package
