DENAFRIPS IRIS 15TH DDC (Digital to Digital Converter)
DENAFRIPS IRIS 15TH DDC (Digital to Digital Converter)
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The Denafrips Iris 15th Anniversary Edition is an entry-level USB Digital-to-Digital Converter (DDC) engineered to transform computer audio sources (PC, Mac, Raspberry Pi) into ultra-low-jitter, high-fidelity digital transports. By converting USB audio streams into pristine S/PDIF, AES/EBU, and I²S digital outputs, the Iris bridges component gaps and improves performance when feeding external DACs.
Celebrating 15 years of Denafrips digital expertise, the Iris 15th Anniversary Edition retains the core FIFO buffering and Femto-reclocking architecture of the original while adding an upgraded, in-house wound 60VA UPOCC copper O-Core transformer and an 8-stage ultra-low-noise linear power regulation system for complete galvanic isolation and signal purity.
KEY FEATURES & PROPRIETARY TECHNOLOGIES
- Proprietary FPGA DSP Architecture: Custom-coded Field Programmable Gate Array handles digital signal processing, FIFO buffering, and high-precision reclocking.
- FEMTO Crystal & TCXO Reclocking: Incoming USB streams are buffered and reclocked using precision temperature-compensated crystal oscillators to virtually eliminate jitter.
- UPOCC Copper 60VA O-Core Transformer: Oversized, shielded in-house O-Core transformer wound with Ultra-Pure Ohno Continuous Cast copper delivers clean, abundant power.
- 8-Stage Linear Power Regulators: Multi-stage, ultra-low-noise linear regulation ensures isolated, ripple-free power across all sensitive digital processing stages.
- Optically Isolated Inputs: Galvanic isolation protects the audio signal path from computer electrical noise, ground loops, and EMI/RFI interference.
- High-Resolution I²S & DSD Output: Native support for up to DSD512 and PCM 768kHz via USB input, outputting high-rate I²S over HDMI (LVDS) and RJ45 (LVCMOS).
- External Clock Synchronization: Includes dedicated external clock inputs (45.1584MHz / 49.152MHz) for integration with master clock generators.
SPECIFICATIONS
| Product Type | USB Digital-to-Digital Converter (DDC) |
| Digital Processing Engine | Proprietary FPGA DSP Architecture with FIFO Buffer & Reclocking |
| USB Audio Interface | STM32F446 Advanced ARM-Based MCU (USB 2.0 Type-B) |
| Clock System | FEMTO Crystal / TCXO (Temperature Compensated Crystal Oscillator) |
| Power Supply | 60VA UPOCC Copper O-Core Transformer with 8-Stage Multi-Stage Linear Regulators |
| PCM Format Support |
USB Input: Up to 768 kHz I²S Output: Up to 384 kHz Coax / AES / Optical: 24-bit / 44.1 kHz to 192 kHz |
| DSD Format Support |
USB Input & I²S Output: Up to DSD512 (22.5792 MHz) Coax / AES / Optical: DSD64 (2.8224 MHz DoP) |
| Digital Inputs | 1 x USB 2.0 Type-B |
| External Clock Inputs | 45.1584 MHz | 49.152 MHz |
| Digital Outputs | 1 x Coaxial S/PDIF (RCA) 1 x TOSLink Optical 1 x AES/EBU (XLR) 1 x I²S HDMI (LVDS Standard) 1 x I²S RJ45 (LVCMOS Standard) |
| Driver Compatibility | Windows (Licensed Thesycon Driver) | Mac & Linux (Driverless Plug-and-Play) |
| AC Power Requirement | 100–240 VAC, 50/60 Hz (Worldwide Manual Selector) |
| Power Consumption | ≤ 20 W |
| Dimensions (W x D x H) | 235 x 215 x 60 mm |
| Weight | 3.0 kg |
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