Realtek ALC655 Six-Channel AC'97 2.3 Audio CODEC IC 3pcs
Regular price
€133,14
inc. VAT
Regular price
-45%
€240,00
Sale price
€133,14
inc. VAT
The Realtek ALC655 is a 16-bit, full-duplex six-channel audio CODEC compliant with AC'97 Rev. 2.3, designed for PC multimedia systems including host/soft audio and AMR/CNR-based designs. This listing is for a pack of 3 units.
Available In Stock – Ships Within 3 Days.
Product Overview
| Part Number | ALC655 |
| Quantity per Listing | 3 pieces |
| Type | Six-Channel AC'97 Rev. 2.3 Audio CODEC |
| Resolution | 16-bit Stereo Full-Duplex |
| Sampling Rate | 48 KHz standard; 96 KHz double rate (DVD audio) |
| Output Channels | 3 pairs of stereo outputs (Front, Surround, Center/LFE) + 1 mono output, all with 5-bit volume control |
| Analog Inputs | 3 stereo line-level inputs (LINE_IN, CD, AUX), 2 mono inputs (PCBEEP, PHONE), 2 software-selectable MIC inputs + dedicated Front-MIC |
| Amplifier | Integrated 50mW / 20Ω headset amplifiers at Front-Out and Surround-Out |
| S/N Ratio (A-weighted) | 86 dB (D/A and A/D) |
| Total Harmonic Distortion | -70 dB (D/A) / -75 dB (A/D) |
| S/PDIF | Output: 48 KHz (AC'97 Rev. 2.3 compliant) / Input: 32K / 44.1K / 48 KHz |
| Integrated PLL | 14.318 MHz → 24.576 MHz (saves external crystal) |
| PCBEEP Generator | Integrated (eliminates need for external buzzer) |
| Jack Sensing | Front-Out, Surround-Out, MIC-In and LINE-In jack sensing |
| Digital Supply Voltage (DVDD) | 3.0V – 3.6V (typical 3.3V) |
| Analog Supply Voltage (AVDD) | 3.5V – 5.5V (typical 5.0V) |
| Operating Temperature | 0°C to +70°C |
| ESD Protection | 4,500V |
| Package | 48-pin LQFP (7.0 × 7.0 × 1.6 mm) |
| 3D Audio Compatibility | EAX 1.0 & 2.0, Direct Sound 3D, A3D, I3DL2, HRTF 3D Positional Audio |
| Chipset Compatibility | Intel ICHx, VIA, SIS, ALI, AMD, nVIDIA, ATI |
| OS Driver Support | Windows XP / ME / 2000 / 98 / NT |
| Compliance | AC'97 Rev. 2.3 / PC99/2001 / Microsoft WHQL/WLP 2.0 / RoHS |
| Datasheet Revision | Rev. 1.3 – 16 March 2006 |
Applications
- PC motherboard audio integration for desktop and notebook systems
- Host/soft audio designs with Intel ICHx and compatible chipsets
- AMR/CNR-based audio designs
- 6-channel surround sound systems (Front, Surround, Center/LFE)
- S/PDIF digital audio output to AC3 decoders, speakers, and mini-disc devices
- Replacement or spare IC for legacy PC audio board repairs
Shipping
- Ships within 3 days after payment
- Secure packaging for safe delivery
- Free delivery within Germany
- New in original packaging (OVP)
Warranty & Compliance
- 12-month warranty included
- Product is fully compliant with EU industry standards
- VAT invoice included with every order
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