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DSP-based radio tuner one-chip[TEF665X_SDS]
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DSP-Based Radio Tuner One-Chip
The TEF6657 and TEF6659 are single-chip radio ICs including an AM/FM radio tuner and software-defined radio signal processing. These devices are the successors to the industry-proven TEF661X product range, with improved performance and feature set at lower system cost.
Both devices are available in HVQFN packages occupying only smallest PCB real estate and are suitable for multi-layer PCBs.
The radio receiver includes the FM/AM front-ends, tuning synthesizer, channel filtering, FM multipath improvement, demodulation, FM stereo decoding, weak signal processing, noise blanking, RDS and DARC support.
Stereo audio is provided in digital format on the I²S outputs and on the audio DAC outputs.
The TEF6659 supports the HD Radio and Digital Radio Mondiale (DRM) digital radio standards when used with NXP Semiconductors’ digital radio coprocessors such as SAF356X and SAF360X.
Product Details
Features
General Features
- Alignment free digital receiver including tuner and software-defined radio processing
- Command based high-level user interface combining high control flexibility with ease of control
- Read information with device and tuning status, reception quality and RDS data
- FM receiver with a tuning range of 65 MHz to 108 MHz covering Eastern Europe (OIRT), Japan, Europe and US bands
- AM receiver covering LW, MW and full SW
- Fully integrated tuning system with low phase noise and fast tuning
- FM LNA with AGC
- FM mixer for frequency conversion to a low IF complex signal
- AM LNA with AGC, matching active and passive antenna applications
- AM mixer for frequency conversion to a low IF complex signal (AM SW)
- High dynamic range IF ADC
- Digital IF signal processing including decimation, shift to baseband, AGC control, I/Q correction, variable IF bandwidth filtering (PACS) and demodulation
- FM stereo decoding
- Baseband I²S output supporting HD Radio and DRM1 with external digital radio coprocessor (TEF6659)
- Blending function for HD Radio reception (TEF6659)
- AM & FM noise blanking, Signal quality detection and weak signal processing
- Advanced RDS and RBDS demodulation and decoding
- MPX output supporting DARC demodulator
- One I²S input and one I²S output
- Two mono audio DACs
- Single 3.3 V supply voltage
- Fast mode I²C-bus (400 kHz)
- Configurable GPIO pins for RDS, Quality Status Interrupt and generic I²C-bus controlled I/O
- Qualified in accordance with AEC-Q100
Target Applications
- The TEF665X is a single tuner AM/FM receiver for automotive applications and supports analog AM/FM and HD/DRM reception (HD/DRM is supported in TEF6659 only).
- Additionally, due to a common technology platform, the TEF665X can be combined with TEF701X, SAF775X and SAF360X for optimal system application through common crystal oscillator sharing.
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Part | Order | CAD Model | Package Type |
|---|---|---|---|
HVQFN32 | |||
HVQFN32 |
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DSP-based radio tuner one-chip[TEF665X_SDS]
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