Overview
The SAA7706H/N210,518 is a car radio Digital Signal Processor (DSP) manufactured by NXP USA Inc. This component is designed to perform all the signal processing functions in a car radio system, including those behind the tuner and in front of the power amplifiers. It supports various audio sources such as AM, FM, CD, and auxiliary inputs. Although the part is currently listed as obsolete, it remains relevant for legacy systems and maintenance purposes.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Part Number | SAA7706H/N210,518 |
| Type | Car Signal Processor |
| Interface | I²C, I²S, LSB, SPDIF |
| Package / Case | 80-BQFP (14x20 mm) |
| Voltage - I/O | 3.30V |
| Voltage - Core | 3.30V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Part Status | Obsolete |
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
Applications
The SAA7706H/N210,518 is primarily used in car radio systems to process various audio signals. It supports AM, FM, CD, and auxiliary inputs, making it a comprehensive solution for automotive audio systems. It is also capable of handling navigation signals and dynamic signal processing for FM and AM signals.
Q & A
- What is the primary function of the SAA7706H/N210,518?
The primary function is to perform all the signal processing functions in a car radio system, including those behind the tuner and in front of the power amplifiers.
- Who is the manufacturer of the SAA7706H/N210,518?
The manufacturer is NXP USA Inc.
- What interfaces does the SAA7706H/N210,518 support?
The component supports I²C, I²S, LSB, and SPDIF interfaces.
- What is the package type of the SAA7706H/N210,518?
The package type is 80-BQFP (14x20 mm).
- What are the voltage specifications for the SAA7706H/N210,518?
The voltage for both I/O and core is 3.30V.
- What is the operating temperature range for the SAA7706H/N210,518?
The operating temperature range is -40°C ~ 85°C (TA).
- Is the SAA7706H/N210,518 still in production?
No, the part is listed as obsolete.
- What types of ADCs and DACs does the SAA7706H/N210,518 include?
It includes 5-bitstream 3rd-order sigma-delta ADCs and 4-bitstream DACs with 128-fold oversampling and noise shaping.
- Does the SAA7706H/N210,518 support RDS demodulation?
Yes, it supports RDS demodulation via a separate ADC with a buffered output option.
- Can the SAA7706H/N210,518 handle dual media sources?
Yes, it supports separate front-seat and rear-seat signal sources and separate control.
