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SAA7824HL/M1A
SAA7824HL/M1A
| Part Number | SAA7824HL/M1A |
|---|---|
| Manufacturer | NXP Semiconductors / Philips |
| Category | Integrated Circuits (ICs) > Interface – Audio Video Decoder & Servo Processor ICs |
| Description | Advanced single-chip CD audio decoder and digital servo processor incorporating integrated pre-amplifiers, error correction systems, and multi-format audio decompression engines for automotive and premium consumer disk playback systems. |
| Stock Status | In Stock |
| Origin | Original Factory |
Product Overview
The SAA7824HL/M1A is a high-integrated single-chip CD audio decoder & servo processor from NXP (ex Philips). Targeted at automotive head units and premium home CD changers, it integrates RF preamplifier, full digital servo loops and CIRC error correction on one die.
Onboard DSP dynamically adjusts focus, tracking and spindle control to deliver stable playback on scratched or warped discs. It outputs jitter-free audio via I2S, right-justified or S/PDIF interfaces. Packaged in LQFP-80, it cuts peripheral component count and fits compact embedded audio hardware.
Core Advantages
Monolithic Servo & Decoding Integration
Unifies the optical pre-amplifier, tracking servo controller, and audio bitstream decoder on a single die, maximizing signal integrity from the laser pickup assembly to the digital interface output pins.
Adaptive Shock and Scratch Tolerance
Utilizes advanced digital servo filtering loops and smart defect detection logic that actively adjust tracking parameters in real time to prevent audio skipping caused by rough vibration or disc surface contamination.
Advanced CIRC Error-Correction Architecture
Employs an internal high-efficiency Cross-Interleaved Reed-Solomon Code module to reconstruct missing data sectors, providing crystal-clear, continuous audio reproduction even through deep physical scratches.
Flexible Digital Audio Interfacing Formats
Supports industry-standard digital stream formats—such as Philips I2S protocol, Right-Justified structures, and high-quality S/PDIF outputs—enabling smooth integration with downstream audio DACs and external DSP systems.
Key Specifications
| Brand | NXP Semiconductors / Philips |
|---|---|
| RoHS Status | RoHS Compliant / Lead-Free Standard (HL suffix = lead-free LQFP; M1A = factory tape & reel packing code) |
| EDA/CAD Model | 3D Model & PCB Footprint Available upon request |
| Warranty | 1-Year Standard Factory Warranty |
| Package / Case | LQFP-80 Package |
| Mounting Type | Surface Mount Technology (SMD/SMT) |
| Surface Marking / Silkscreen | SAA7824HL Marking |
| Functional Core Type | CD Audio Decoder & Digital Servo System Processor |
| Error Correction Scheme | CIRC (Cross-Interleaved Reed-Solomon Code) with Hardware De-interleaving RAM |
| Digital Audio Interfaces | I2S, Right-Justified, and S/PDIF Output Formats Supported |
| Control Interface Bus | Standard I2C Bus and Microcontroller Handshake Protocol lines |
| Servo Loop Controls | Fully Integrated Focus, Radial Tracking, Sled, and Spindle Motor Control Loops |
| Analog Supply Voltage | Analog: 5.0V ± 0.5V |
| Digital Core Voltage | Digital Core: 1.65V ± 1.95V |
| Operating Temperature Range | -40°C ~ +85°C (Automotive Grade) |
Typical Applications
- Automotive In-Dash CD/MP3 Audio Players, Infotainment Radios, and Multi-Disc Changer Units
- Premium Home Hi-Fi Audio Decks, High-Fidelity CD Standalone Players, and Audio Amplifiers
- Compact Boomboxes, Personal Micro-Component Systems, and Multi-Functional Disc Equipment
- Industrial Laser Disc Readers, Specialized Acoustic Testing Systems, and Commercial Jukebox Hardwares
- Legacy Interactive Multimedia Systems and Optical Disc Training Instrumentation Arrays
Order & Shipping Info
| Minimum Order Quantity (MOQ) | 1 Piece |
|---|---|
| Shipping Time | Shipped within 1-2 business days |
| Delivery Time | 3-7 working days worldwide |
| Shipping Methods | DHL, UPS, FedEx, EMS |
| Payment Methods | T/T (Bank Transfer), PayPal, Credit Card, Western Union |
Technical Support
For datasheet, sample requests, stock check, or bulk pricing, please use the Quick Inquiry form. We will reply within 24 hours.
Frequently Asked Questions
Q1: Is your currently available stock inventory of the SAA7824HL/M1A component 100% genuine?
A: Yes, we guarantee that all SAA7824HL/M1A IC chips in our inventory are 100% brand-new, factory-original products from NXP Semiconductors, strictly maintained inside static-safe ESD shielding and moisture-sensitive dry-packs.
Q2: What is the primary operational role of the internal digital servo processor within this chip?
A: The integrated digital servo processor automatically handles the complex tracking requirements of the laser pickup mechanism. It controls the focus, radial movement, sled motor positioning, and spindle spin velocities, ensuring the laser remains flawlessly centered on the disc track despite shocks or physical vibrations.
Q3: Does the SAA7824HL/M1A require external RAM memory chips to carry out the CIRC error correction processing?
A: No, the SAA7824HL/M1A includes integrated on-chip de-interleaving SRAM memory blocks dedicated to error correction. This reduces overall layout trace routing complexity and completely eliminates the need for external memory IC dependencies.
Q4: How can our hardware engineering group request full register mapping documentations, reference code libraries, or bulk pricing adjustments?
A: Please complete our Quick Inquiry web form on this page with details about your processing parameters. Our application support desk will process your inquiry and dispatch the available technical documentation package within 24 hours.
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