Overview
The SAA7706H/N210S,518 is a car radio Digital Signal Processor (DSP) produced by NXP USA Inc. This component is designed to perform a wide range of signal processing functions for high-end car radio systems. It integrates various functionalities such as analog-to-digital conversion, digital-to-analog conversion, stereo decoding, and RDS demodulation, making it a comprehensive solution for automotive audio systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | QFP80 | - |
| Number of Leads | 80 | - |
| Package Dimensions | 14 × 20 × 2.8 mm | mm |
| Analog-to-Digital Converters (ADCs) | 5-bitstream 3rd-order sigma-delta, 1-bitstream 1st-order sigma-delta | - |
| Digital-to-Analog Converters (DACs) | 4-bitstream with 128-fold oversampling and noise shaping | - |
| Crystal Oscillator Frequency | 11.2896 MHz | MHz |
| Signal-to-Noise Ratio (S/N) | 85 - 90 dB | dB |
| Total Harmonic Distortion (THD) | < 1% at 0.55 V (RMS) input signal | % |
| Interfaces | I2C, I2S, LSB, SPDIF | - |
Key Features
- Dual media support allowing separate front-seat and rear-seat signal sources and separate control.
- Simultaneous radio and audio processing.
- Digital FM stereo decoder and FM interference suppression.
- RDS demodulation via separate ADC with buffered output option.
- Noise generator for frequency response measurements.
- Boot-up ROM for fast start-up.
- Signal level, noise, and multipath detection for AM or FM signal quality information.
- AM co-channel and adjacent channel detection (not in all ROM codes available).
Applications
The SAA7706H/N210S,518 is primarily used in high-end car radio systems. It provides advanced signal processing capabilities, making it suitable for complex automotive audio systems that require multiple input sources, interference suppression, and high-quality audio output.
Q & A
- What is the primary function of the SAA7706H/N210S,518?
The primary function of the SAA7706H/N210S,518 is to perform digital signal processing for car radio systems, including analog-to-digital conversion, digital-to-analog conversion, stereo decoding, and RDS demodulation.
- What type of package does the SAA7706H/N210S,518 come in?
The SAA7706H/N210S,518 comes in a QFP80 (Quad Flat Package) with 80 leads.
- What are the key interfaces supported by the SAA7706H/N210S,518?
The key interfaces supported include I2C, I2S, LSB, and SPDIF.
- Does the SAA7706H/N210S,518 support dual media sources?
- What is the crystal oscillator frequency of the SAA7706H/N210S,518?
The crystal oscillator frequency is 11.2896 MHz.
- What is the signal-to-noise ratio (S/N) of the SAA7706H/N210S,518?
The signal-to-noise ratio (S/N) is between 85 and 90 dB.
- Does the SAA7706H/N210S,518 have built-in noise generation capabilities?
- What is the purpose of the boot-up ROM in the SAA7706H/N210S,518?
The boot-up ROM is used for fast start-up of the device.
- Can the SAA7706H/N210S,518 detect AM co-channel and adjacent channel interference?
- Is the SAA7706H/N210S,518 still in production?
No, the SAA7706H/N210S,518 is no longer manufactured by NXP USA Inc.
