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  • DSP-based AM/FM One-Chip Tuner TEF664x from NXP...

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    DSP-based AM/FM One-Chip Tuner TEF664x from NXP

Key features and benefits

  • All in one digital receiver including tuner and software defined radio processing
  • Easy to control with high-level user interface
  • FM receiver with a tuning range from 65 MHz to 108 MHz covering OIRT, Japan, Europe and US bands
  • AM receiver covering Long Wave (LW), Medium Wave (MW) and full Short Wave (SW) bands
  • Fully integrated tuning system combining low phase noise and fast tuning times
  • FM Low-Noise Amplifier (LNA) with Automatic Gain Control (AGC)
  • FM mixer for frequency conversion to a low Intermediate Frequency (IF) complex signal
  • AM front-end LNA and AGC matching active and passive antenna applications
  • AM MW RF selectivity with integrated capacitor bank and automatic calibration
  • AM mixer for frequency conversion to a low IF complex signal
  • High dynamic range Sigma-Delta (SD) IF Analog-to-Digital Converter (ADC)
  • Digital IF signal processing including decimation, shift to baseband, AGC control, In-phase/Quadrature-phase (I/Q) correction, Precision Adjacent Channel Suppression (PACS), FM multipath suppression and demodulation
  • Baseband I²S output for support of HD Radio and DRM with external digital radio coprocessor (TEF6642 and TEF6646)
  • Signal quality detection, FM stereo decoding, noise blanking and weak signal processing
  • Advanced RDS and Radio Broadcast Data System (RBDS) demodulation and decoding with versatile output configuration
  • One synchronous I²S audio input and audio output in master mode (TEF6642 and TEF6646)
  • Digital audio processing with volume scaling (-12 dB to +6 dB)
  • HD Radio blending (TEF6642 and TEF6646)
  • One stereo audio Digital-to-Analog Converter (DAC)
  • Single 3.3 V supply voltage
  • Fast mode I²C-bus (400 kHz)
  • Built-in 1.2 V regulator control circuit
  • Qualified in accordance with AEC-Q100

Key applications

  • Single tuner AM/FM receiver for automotive applications supporting analog AM/FM and HD/DRM reception

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