RDA8853A - Brand New IC Chips
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Description
The RDA8853A is a highly integrated single-chip transceiver for Walkie Talkie applications. It features a powerful digital signal processor, which ensures optimum voice quality, flexible function options, and robust performance under varying reception conditions. The transceiver requires only one microcontroller and supports multiple XTAL clocks. It also has built-in features such as CTCSS/CDCSS generator and judgment, DTMF and programmable in-band dual tone, and selectable pre/de-emphasis. With a supply voltage of 3.3 to 4.8 V and integrated LDO, it is suitable for various applications including cellular handsets, family radio services, and Walkie Talkies.
Specifications and Features
The RDA8853A is a CMOS single-chip fully-integrated transceiver. It has a fully integrated frequency synthesizer and VCO, allowing it to support worldwide frequency bands from 134MHz to 174MHz and 400MHz to 500MHz. It operates on 12.5KHz and 25KHz channels and supports 12.8/25.6Mhz and 13/26Mhz XTAL clocks. The transceiver also features digital auto frequency control (AFC), digital auto gain control (AGC), received signal strength indicator (RSSI), VOX and SQ, and 8 GPIOs. It has a build-in CTCSS/CDCSS generator and judgment, supporting CTCSS with 120/180/240 degree phase shift and 23/24 bit programmable DCS code. Additionally, it has a programmable in-band single tone transmitter, auto RX/TX/SLEEP state switching, on-chip 8 dBm PA, analog and digital volume control, and directly supports 32Ω resistance loading. The RDA8853A comes in a 5X5 mm 32 pin QFN package.
Application Scenarios
The RDA8853A is commonly used in cellular handsets, family radio services, and Walkie Talkies.
Comparison
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Datasheet
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Popular parts of the same kind
- Datasheet: Download RDA8853A
- Chipdatas Part: CD89-RDA8853A
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
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- Last Updated: 2024/10/01 08:06 +0800
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