Overview
The SAA7706H/N107S,557 is a car radio Digital Signal Processor (DSP) developed by NXP Semiconductors. This component is designed to perform a wide range of signal processing functions essential for high-end car radio systems. It integrates various functionalities such as AM and FM signal processing, stereo decoding, RDS demodulation, and interference suppression. The DSP ensures high-quality audio output by handling multiple input sources like CD, tape, and phone inputs, and it supports simultaneous radio and audio processing.
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | NXP Semiconductors |
| Package / Case | 80-BQFP (14x20) |
| Voltage - Core | 3.30V |
| Voltage - I/O | 3.30V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
| Interface | I²C, I²S, LSB, SPDIF |
Key Features
- 5-bitstream 3rd-order sigma-delta Analog-to-Digital Converters (ADCs) with anti-aliasing broadband input filter
- 1-bitstream 1st-order sigma-delta ADC with anti-aliasing broadband input filter
- 4-bitstream Digital-to-Analog Converters (DACs) with 128-fold oversampling and noise shaping
- Integrated semi-digital filter; no external post filter required for DAC
- 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
Applications
The SAA7706H/N107S,557 is primarily used in high-end car radio systems. It is designed to enhance the audio quality and functionality of these systems by providing advanced signal processing capabilities.
Q & A
- What is the primary function of the SAA7706H/N107S,557?
The primary function of the SAA7706H/N107S,557 is to perform digital signal processing for car radio systems, including AM and FM signal processing, stereo decoding, and RDS demodulation.
- What type of package does the SAA7706H/N107S,557 come in?
The SAA7706H/N107S,557 comes in an 80-BQFP (14x20) package.
- What are the voltage requirements for the SAA7706H/N107S,557?
The SAA7706H/N107S,557 requires a core and I/O voltage of 3.30V.
- What is the operating temperature range of the SAA7706H/N107S,557?
The operating temperature range is -40°C to 85°C (TA).
- Is the SAA7706H/N107S,557 lead-free and RoHS compliant?
Yes, the SAA7706H/N107S,557 is lead-free and RoHS compliant.
- What interfaces does the SAA7706H/N107S,557 support?
The SAA7706H/N107S,557 supports I²C, I²S, LSB, and SPDIF interfaces.
- Does the SAA7706H/N107S,557 require external filters for DACs?
No, the SAA7706H/N107S,557 has an integrated semi-digital filter, eliminating the need for external post filters for DACs.
- Can the SAA7706H/N107S,557 handle multiple input sources simultaneously?
Yes, the SAA7706H/N107S,557 can handle multiple input sources such as CD, tape, and phone inputs, and supports simultaneous radio and audio processing.
- What is the purpose of the noise generator in the SAA7706H/N107S,557?
The noise generator allows for frequency response measurements.
- Does the SAA7706H/N107S,557 have built-in signal quality detection?
Yes, the SAA7706H/N107S,557 includes signal level, noise, and multipath detection for AM or FM signal quality information.
