Features: Meets performance requirements for audio on PC99/2001 systemsMeets Microsoft WHQL/WLP 2.0 audio requirements16-bit Stereo full-duplex CODEC with 48KHz sampling rate Compliant with AC'97 2.3 specifications -Front-Out, Surround-Out, MIC-In and LINEIn Jack Sensing -14.318MHz- 24.576MHz PLL ...
ALC655: Features: Meets performance requirements for audio on PC99/2001 systemsMeets Microsoft WHQL/WLP 2.0 audio requirements16-bit Stereo full-duplex CODEC with 48KHz sampling rate Compliant with AC'97 2....
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Linear and Switching Power Supplies 50.4W 6V-48V 1.05A LED Driver CC
Parameter | Symbol | Minimum | Typical | Maximum | Units |
Power Supplies Digital Analog |
DVDD AVDD |
3.0 3.5 |
3.3 5.0 |
3.6 5.5 |
V V |
Operating Ambient Temperature | Ta | 0 | - | +70 | oC |
Storage Temperature | Ts | +125 | oC | ||
ESD (Electrostatic Discharge) | |||||
Susceptibility Voltage |
The ALC655 is a 16-bit, full duplex AC'97 2.3 compatible six channels audio CODEC designed for PC multimedia systems, including host/soft audio and AMR/CNR based designs. The product incorporates proprietary converter technology to meet performance requirements on PC99/2001 systems. The ALC655 CODEC provides three pairs of stereo outputs with 5-Bit volume controls, a mono output, and multiple stereo and mono inputs, along with flexible mixing, gain and mute functions to provide a complete integrated audio solution for PCs. The digital interface circuitry of the ALC655 CODEC operates from a 3.3V power supply for use in notebook and PC applications. The ALC655 integrates 50mW/20ohm headset audio amplifiers at Front-Out and Surr-Out, built-in 14.318M 24.576MHz PLL and PCBEEP generator, those can save BOM costs. The product also supports the S/PDIF input and output function, which can offer easy connection of PCs to consumer electronic products, such as AC3 decoder/speaker and mini disk devices. It supports host/soft audio from Intel ICHx chipsets as well as audio controller based VIA/SIS/ALI/AMD/nVIDIA/ATI chipset. Bundled Windows series drivers (WinXP/ME/2000/98/NT), EAX/ Direct Sound 3D/ I3DL2/ A3D compatible sound effect utilities (supporting Karaoke, 26-kind of environment sound emulation, 10-band equalizer), HRTF 3D positional audio and Sensaura™ 3D (optional) provide an excellent entertainment package and game experience for PC users. Besides, ALC655 includes Realtek's impedance sensing techniques that makes device load on outputs and inputs can be detected.