Overview
The TEF6640HW/V101,518 is a highly efficient, low Intermediate Frequency (IF) one-chip radio IC produced by NXP USA Inc. This component integrates an AM/FM radio tuner and software-defined radio signal processing, making it a comprehensive solution for automotive and other radio applications. The TEF6640HW is part of the TEF6640, TEF6642, TEF6644, and TEF6646 family, with the TEF6640 and TEF6642 being the lite versions and the TEF6644 and TEF6646 being the premium versions with a full feature set.
Key Specifications
| Parameter | Description |
|---|---|
| Package Style | 64-HTQFP (10x10) |
| Supply Voltage | Single 3.3 V |
| Operating Temperature | Qualified in accordance with AEC-Q100 |
| FM Tuning Range | 65 MHz to 108 MHz (covering OIRT, Japan, Europe, and US bands) |
| AM Tuning Range | Long Wave (LW), Medium Wave (MW), and full Short Wave (SW) bands |
| Interface | PCB, Surface Mount; Fast mode I²C-bus (400 kHz) |
| Audio Output | One stereo audio Digital-to-Analog Converter (DAC); I²S output |
| Additional Features | FM Low-Noise Amplifier (LNA) with Automatic Gain Control (AGC); AM front-end LNA and AGC; Digital IF signal processing including decimation, shift to baseband, AGC control, I/Q correction, PACS, FM multipath suppression, and demodulation |
Key Features
- All-in-one digital receiver including tuner and software-defined radio processing
- Easy to control with high-level user interface
- Fully integrated tuning system combining low phase noise and fast tuning times
- FM mixer for frequency conversion to a low Intermediate Frequency (IF) complex signal
- 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
- 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
- Digital audio processing with volume scaling (-12 dB to +6 dB)
Applications
The TEF6640HW/V101,518 is primarily used in AM/FM radio receivers, particularly in automotive and consumer electronics. It supports various radio standards and is suitable for applications requiring high-performance radio tuning and digital signal processing.
Q & A
- What is the TEF6640HW/V101,518?
The TEF6640HW/V101,518 is a single-chip radio IC that integrates an AM/FM radio tuner and software-defined radio signal processing.
- What are the key features of the TEF6640HW/V101,518?
Key features include a fully integrated tuning system, FM and AM front-end LNAs with AGC, digital IF signal processing, and advanced RDS and RBDS demodulation.
- What is the tuning range of the FM receiver in the TEF6640HW/V101,518?
The FM receiver has a tuning range from 65 MHz to 108 MHz, covering OIRT, Japan, Europe, and US bands.
- What are the AM tuning ranges supported by the TEF6640HW/V101,518?
The AM receiver covers Long Wave (LW), Medium Wave (MW), and full Short Wave (SW) bands.
- Does the TEF6640HW/V101,518 support digital radio standards?
No, the TEF6640HW does not support digital radio standards like HD Radio and DRM. This support is available in the premium versions TEF6642 and TEF6646.
- What is the supply voltage for the TEF6640HW/V101,518?
The component operates on a single 3.3 V supply voltage.
- What interface does the TEF6640HW/V101,518 use?
The component uses a PCB, Surface Mount interface and supports Fast mode I²C-bus (400 kHz).
- What kind of audio output does the TEF6640HW/V101,518 provide?
The component provides one stereo audio Digital-to-Analog Converter (DAC) and I²S output.
- Is the TEF6640HW/V101,518 qualified for automotive use?
Yes, it is qualified in accordance with AEC-Q100.
- What are some of the advanced signal processing features of the TEF6640HW/V101,518?
Features include digital IF signal processing, signal quality detection, FM stereo decoding, noise blanking, and weak signal processing.
- Where is the TEF6640HW/V101,518 typically used?
The component is typically used in AM/FM radio receivers, especially in automotive and consumer electronics.
