描述
AK4118AEQ Digital Audio Receiver
192kHz S/PDIF Decoding meets Ultra-Low Jitter Clock – The Professional Digital Interface Receiver (DIR) Choice for High-End Audio DACs.
// High-Fidelity 8-Channel Channel Status 48-Pin LQFP Portfolio
The Low-Jitter Audio Digital Interface Advantage
The AK4118AEQ represents a premier flagship benchmark for high-resolution digital audio transceiver architectures requiring absolute clock stability and comprehensive format recovery. Engineered by AKM as a highly integrated digital audio interface receiver (DIR), this 24-bit chip decodes digital inputs flawlessly up to 192kHz sampling rates. Housed in a standard 48-lead LQFP package outline layout, it secures pure, deterministic signal demultiplexing paths supporting raw AES/EBU and S/PDIF links without timing constraints.
- 24-Bit high-resolution linear decoding preserving original bit-stream details
- Ultra-low jitter analog PLL core recovering high-precision audio clocks
- Automatic digital format detection tracking PCM and non-audio bitstreams
Key Performance Advantages
8-Channel S/PDIF MUX
Integrates an 8-channel S/PDIF input selector block, allowing seamless routing from multiple coax or optical digital sources on a single mainboard.
Ultra-Low Jitter PLL
Features an optimized phase-locked loop core that dramatically reduces phase noise and timing deviations, protecting delicate DAC stages from signal degradation.
Flexible I2S Output
Supports standard I2S, left-justified, and right-justified audio data formats, ensuring high compatibility with popular hardware DSP configurations.
Technical Specifications
| Parameter Node | Detailed Engineering Specification |
|---|---|
| Manufacturer | Asahi Kasei Microdevices (AKM) |
| Part Number (MPN) | AK4118AEQ |
| Product Category | High-Performance Digital Audio Interface Receivers (DIR) |
| Max Sampling Frequency | Up to 192 kHz (Supports 32kHz, 44.1kHz, 48kHz, 96kHz, 192kHz) |
| Linear Resolution Bit-Depth | 24-Bit Linear Digital Audio Stream Arrays |
| S/PDIF Input Selector MUX | 8-Channel Differential / Single-Ended S/PDIF Input Nodes |
| Audio Data Serial Formats | I2S, Left-Justified, Right-Justified (16/24-Bit Configurations) |
| Core Supply Voltage Rails | +2.7V to +3.6V Single Power Operation Bounds |
| Package / Case Outline | LQFP-48 Package (Low Profile Quad Flat Multi-Pin Design Layout) |
| Temperature Spectrum | Industrial Operational Performance Bounds (-40°C to +85°C) |
Versatile Interface Applications
- High-End HIFI DACs: Serves as the primary digital audio receiver front-end stage for audiophile desktop decoders.
- AV Home System Receivers: Manages deterministic multi-channel optical and coaxial digital stream conversions seamlessly.
- Professional Audio Gear: Decodes raw digital timelines within recording interfaces, monitoring systems, and digital mixers.
- Car Audio Amplifiers: Optimizes high-resolution audio reception pathways inside digital sound processors (DSP).
Industrial Quality Protections
100% Original Sourcing: Procured securely through fully audited tier-1 franchise lines, completely ensuring anti-counterfeit protection.
Anti-Static Handling: Stored and picked in full alignment with international ANSI/ESD cleanroom facility benchmarks.
Full Batch Traceability: Verified via intensive certificate analysis and rigorous documentation tracking prior to export dispatch.
HIGH-FIDELITY DIGITAL AUDIO RECEIVER CORE // DIRECT SOURCE ARCHITECTURE