Overview
The SAA7706H/N107,557 is a Digital Signal Processor (DSP) designed specifically for car radio systems, manufactured by NXP USA Inc. This integrated circuit performs a wide range of signal processing functions, making it a crucial component in high-end car radio systems. It integrates various functionalities such as analog-to-digital conversion, digital-to-analog conversion, and signal processing for AM and FM radio, as well as other audio inputs like CD, tape, and auxiliary sources.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Description | IC CAR RADIO DSP 80-QFP |
| Package / Case | 80-BQFP |
| Mounting Type | Surface Mount |
| Interface | I²C, I²S, LSB, SPDIF |
| Voltage - I/O | 3.30V |
| Voltage - Core | 3.30V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
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/N107,557 is primarily used in high-end car radio systems. It supports various audio inputs such as AM, FM, CD, tape, and auxiliary sources, making it a versatile component for automotive audio systems. The DSP handles functions like interference absorption, stereo decoding, RDS demodulation, and weak signal processing, ensuring high-quality audio output.
Q & A
- What is the primary function of the SAA7706H/N107,557?
The SAA7706H/N107,557 is a Digital Signal Processor (DSP) designed to perform various signal processing functions in car radio systems.
- What types of interfaces does the SAA7706H/N107,557 support?
The SAA7706H/N107,557 supports I²C, I²S, LSB, and SPDIF interfaces.
- What is the operating voltage range for the SAA7706H/N107,557?
The operating voltage for both I/O and core is 3.30V.
- What is the operating temperature range for the SAA7706H/N107,557?
The operating temperature range is -40°C to 85°C (TA).
- Is the SAA7706H/N107,557 RoHS compliant?
Yes, the SAA7706H/N107,557 is ROHS3 compliant.
- What type of package does the SAA7706H/N107,557 come in?
The SAA7706H/N107,557 comes in an 80-BQFP package.
- Does the SAA7706H/N107,557 support dual media sources?
Yes, it supports dual media sources, allowing separate front-seat and rear-seat signal sources and separate control.
- What are some of the key features of the SAA7706H/N107,557's ADCs and DACs?
The ADCs include 5-bitstream 3rd-order sigma-delta converters and 1-bitstream 1st-order sigma-delta converters. The DACs include 4-bitstream converters with 128-fold oversampling and noise shaping.
- Does the SAA7706H/N107,557 have built-in noise generation and signal quality detection?
Yes, it includes a noise generator for frequency response measurements and signal level, noise, and multipath detection for AM or FM signal quality information.
- What is the mounting type of the SAA7706H/N107,557?
The mounting type is Surface Mount.
