Overview
The TEF6686AHN/V205K is a high-performance, single-chip radio tuner IC developed by NXP USA Inc. This device is part of the TEF668x series, which offers advanced radio reception capabilities, particularly suited for premium automotive and high-end consumer audio applications. The TEF6686AHN/V205K integrates an AM/FM radio tuner with software-defined radio signal processing, providing outstanding performance in various radio bands and multipath environments.
Key Specifications
| Parameter | Specification |
|---|---|
| Package Type | HVQFN32 |
| Supply Voltage | Single 3.3 V |
| Radio Bands | AM (LW, MW, SW), FM (65 to 108 MHz) |
| Advanced Features | RDS and RBDS demodulation and decoding, FM Improved Multipath Suppression, FM Channel Equalization, Soft Mute on Modulation, Stereo High Blend |
| Audio Outputs | I²S output, two mono audio DACs, MPX output supporting DARC demodulator |
| Interface | One I²S input, one I²S output, configurable GPIO pins for RDS, Quality Status Interrupt, and generic I2C-controlled I/O |
| Qualification | Qualified in accordance with AEC-Q100 |
Key Features
- Alignment-free digital receiver with tuner and software-defined radio processing
- Full worldwide band coverage of AM (LW, MW, SW) and FM (65 to 108 MHz)
- Advanced RDS and RBDS demodulation and decoding
- State-of-the-art FM Improved Multipath Suppression and FM Channel Equalization
- Soft Mute on Modulation and Stereo High Blend
- FM LNA with AGC, AM and FM noise blanking, signal quality detection, and weak signal processing
- Digital IF signal processing including decimation, shift to baseband, AGC control, I/Q correction, variable IF bandwidth filtering (PACS), and demodulation
- FM stereo decoding and support for HD Radio and DRM with digital radio coprocessor (SAF356x or SAF360x)
- Blending function for HD Radio reception (TEF6688)
- Configurable GPIO pins for RDS, Quality Status Interrupt, and generic I2C-controlled I/O
Applications
- Premium automotive applications supporting analog AM/FM, HD Radio, and DRM reception
- Aftermarket platforms for high-end car radios
- High-end consumer audio systems
Q & A
- What is the TEF6686AHN/V205K used for?
The TEF6686AHN/V205K is used for premium automotive and high-end consumer audio applications, providing advanced AM/FM radio reception and support for HD Radio and DRM.
- What are the supported radio bands for the TEF6686AHN/V205K?
The device supports AM (LW, MW, SW) and FM (65 to 108 MHz) radio bands.
- What advanced features does the TEF6686AHN/V205K offer?
It offers features such as RDS and RBDS demodulation and decoding, FM Improved Multipath Suppression, FM Channel Equalization, Soft Mute on Modulation, and Stereo High Blend.
- What kind of audio outputs does the TEF6686AHN/V205K provide?
The device provides I²S output, two mono audio DACs, and MPX output supporting DARC demodulator.
- Is the TEF6686AHN/V205K qualified for automotive use?
Yes, it is qualified in accordance with AEC-Q100.
- What is the package type of the TEF6686AHN/V205K?
The package type is HVQFN32.
- What is the supply voltage for the TEF6686AHN/V205K?
The supply voltage is a single 3.3 V.
- Does the TEF6686AHN/V205K support HD Radio and DRM?
Yes, it supports HD Radio and DRM when used with the NXP radio coprocessor SAF356x or SAF360x.
- What kind of signal processing does the TEF6686AHN/V205K perform?
The device performs digital IF signal processing including decimation, shift to baseband, AGC control, I/Q correction, variable IF bandwidth filtering (PACS), and demodulation.
- What are the typical applications of the TEF6686AHN/V205K?
Typical applications include premium automotive, aftermarket platforms for high-end car radios, and high-end consumer audio systems.
