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Description
The RDA5202U is a single-chip broadcast FM transceiver with fully integrated synthesizer, IF selectivity, and MPX decoder. It uses the CMOS process and requires minimal external components. With its compact size of 4X4mm, it is particularly suitable for portable devices. The RDA5202U features a powerful low-IF digital audio processor for optimized sound quality under varying reception conditions. Additionally, it utilizes RDA's patented dual synthesizers and all-digital transmit structure, providing excellent transmission performance and agility. The chip supports a frequency band range of 65M~115M and integrates 4K memory, making it ideal for simple wireless control appliances such as toys.
Specifications and features
- CMOS single-chip fully-integrated FM transceiver
- Low power consumption
- Total current consumption lower than 20mA at 3.0V power supply
- Supports worldwide and campus frequency band (65 - 115 MHz)
- Digital low-IF tuner with image-reject down-converter and high-performance A/D converter
- Internally performed IF selectivity
- Fully integrated digital frequency synthesizer with on-chip RF and IF VCO
- All-digital transmitter
- Autonomous search tuning
- Supports integrated Rx/Tx PCB antenna
- Supports SNRFM searching
- Includes 4K memory
- Supports 32.768KHz crystal oscillator
- Digital auto gain control (AGC) and digital adaptive noise cancellation
- Programmable de-emphasis (50/75 ms)
- Receive signal strength indicator (RSSI)
- Bass boost and volume control
- Supports I2S digital transmitter and audio power amplifier (32Ω resistance loading)
- I2S digital input/output interface
- Line-level analog output voltage
- Supports 32Ω resistance loading directly
- Integrated LDO regulator with 2.7 to 5.5 V operation voltage
Application Scenarios
- Cellular handsets
- MP3, MP4 players
- Portable radios
- PDAs, Notebook PCs
- Wireless Toys
Comparison
Advantages- Compact size
- Powerful low-IF digital audio processor
- All-digital transmit structure
- Wide frequency band support
- Integrated 4K memory
- Supports various audio functionalities
- Supports I2S digital interface
- Integrated LDO regulator
Disadvantages- No mention of specific certifications
- No information about power consumption in different modes
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
- - DHL eCommerce: 12-22 business days
- - FedEx International Priority: 3-7 business days
- - EMS: 10-15 business days
Shipping fee:
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- - View in your order page
Shipping option:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
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How to Buy:
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- - Inquiry, Add to inquiry sheet/Submit bom/inquire file/Send email us > Quote > Place order > Complete payment >Delivery.
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Additional Information
- Datasheet: Download RDA5202U
- Chipdatas Part: CD86-RDA5202U
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/10/01 07:23 +0800
Refund
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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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Payment Method
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