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Description
The RDA5870C is a single-chip broadcast FM transceiver with fully integrated synthesizer, IF selectivity, and MPX decoder, which is a member of RDA's RDA5802 family. The CMOS process is utilized in its production, it supports multi-interface and requires the least external component. The package size is 4x4mm, and it is completely adjustment-free, making it very suitable for portable devices. It has a powerful low-IF digital audio processor that provides optimum sound quality with varying reception conditions. The RDA5870C uses RDA patented dual synthesizers and all-digital transmit structure, which provides perfectly transmission performance and agility. The RDA5870C support the 65M~115M frequency band for receive and transmit and has a 4K memory, which makes it ideal for simple wireless control appliances, such as toys.
Specifications and features
- Product Model: RDA5870C
- Product Category: IC Chips
RDA5870C Specifications and features Features Description Chip technology CMOS single-chip fully integrated FM transceiver Power consumption Total current consumption lower than 20mA at 3.0V power supply Frequency band Support worldwide and campus frequency band 65 - 115 MHz Tuner Digital low-IF tuner Frequency synthesizer Fully integrated digital frequency synthesizer Transmitter All digital transmitter Memory Include 4K memory Crystal oscillator Support 32.768KHz crystal oscillator Audio processing technologies Digital auto gain control (AGC), Digital adaptive noise cancellation, Programmable de-emphasis (50/75 ms), Mono/stereo switch, Soft mute, High cut, Bass boost, Volume control Interfaces I2S digital transmitter, I2S digital input/output interface, line-level analog output voltage, 2-wire and 3-wire serial control bus interface, directly support 32Ω resistance loading, integrated LDO regulator (2.7V to 5.5V operation voltage) Package size 4x4mm 24 pinQFN package Application Scenarios
The RDA5870C is mainly used in portable devices such as cellular handsets, MP3/MP4 players, portable radios, PDAs, and notebook PCs. Additionally, it is also ideal for use in simple wireless control appliances like toys.
Comparison
Advantages- High-quality sound output with varying reception conditions due to the powerful low-IF digital audio processor
- Integrated with fully digital frequency synthesizer and all-digital transmit structure, which provides perfectly transmission performance and agility
- Low power consumption, making it suitable for portable devices
- Support multi-interface and require the least external component
- Adjustment-free package size: 4x4mm
Disadvantages- Frequency band range is limited to 65-115 MHz
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Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
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Popular parts of the same kind
- Datasheet: Download RDA5870C
- Chipdatas Part: CD89-RDA5870C
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/30 17:57 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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