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Low IF Tuner High Performance One-Chip
The TEF6686 and TEF6688 are single-chip automotive radio ICs that integrate AM/FM tuner functionality with software-defined radio (SDR) signal processing.
Designed for automotive infotainment systems, they combine radio reception, channel filtering, demodulation, stereo decoding, weak-signal processing, noise reduction, and RDS functionality in a compact solution. The devices support digital audio output through I²S and integrated audio DAC interfaces.
The TEF6688 also supports HD Radio™ and Digital Radio Mondiale (DRM) digital radio standards when used with compatible NXP digital radio coprocessors, including the SAF356X and SAF360X families.
产品详情
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
- State-of-the art FM Improved Multipath Suppression
- FM Channel Equalization
- Soft Mute on Modulation
- Stereo High Blend
- FM mixer for frequency conversion to a low IF complex signal (AM SW)
- AM LNA with AGC, matching active and passive antenna applications
- AM mixer for frequency conversion to a low IF complex signal
- High dynamic range Sigma Delta 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
- TEF6688 baseband I²S output supporting HD Radio and DRM1 with external digital radio coprocessor (SAF356X or SAF360X)
- Blending function for HD Radio reception (TEF6688)
- AM and 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 TEF668X is a single tuner AM/FM receiver for automotive applications and supports analog AM/FM and HD/DRM reception (HD/DRM is supported in TEF6688 only).
- Additionally, due to a common technology platform, the TEF668X can be combined with TEF701X, SAF775X and SAF360X for optimal system application through common crystal oscillator sharing.
购买/参数
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