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VIA Vinyl VT1613 AC'97 Audio Codec

This product is available fully ROHS-compliant.

As high quality audio becomes more a necessary feature on PCs, the VIA Vinyl VT1613 AC'97 Audio Codec is a complete audio codec stereo solution that combines high-performance, a wide range of connection options, and easy integration into a wide array of applications.  
Key Features
Key Features
» 2-channel audio outputs
» 20-bit/96kHZ analog support for leading audio fidelity
» 20-bit/96kHZ digital I/Os
» Integrated high quality Headphone Amplifier
» Sixth-Sense™ Jack Detection

Benefits of VIA Vinyl VT1613

High audio performance
With support for the AC'97 2.3 specification the VIA VT1613 has 20-bit full duplex performance, and a variable sampling rate with 1Hz resolution. Supports up to 96kHZ sampling rates for analog and digital I/Os.

Feature loaded
The VIA VT1613 includes 3D stereo expansion for simulated surround sound, a headphone amplifier with thermal protection, and hardware VU peak meters for PCM data streams.

Wide array of connections
The VIA VT1613 provides stereo outputs, four stereo and 2 mono analog line-level inputs along with an integrated IEC958 line driver for S/PDIF or LPCM connections to the latest audio devices.

Low Power
Low power design with Dynamic Power Management ideal for power conscience devices.


The VIA VT1613 Audio Codec conforms to the AC'97 2.3 specification providing 20-bit resolution performance. With 2 channel outputs the VIA VT1613 provides high-performance stereo quality for headphones or speaker connections. Furthermore, an integrated headphone amplifier with thermal shutdown reduces the need for further external components. The VIA VT1613 includes analog mixer circuitry for stereo enhancement to provide a pleasing 3D surround sound effect for stereo media. For a completely digital audio path the VIA VT1613 includes an integrated IEC958 line driver for S/PDIF compressed digital or LPCM audio out.

Four stereo and 2 mono audio inputs provided by the VIA VT1613 enable connections to a wide range of audio inputs such as microphones, line inputs, and phone connections. Sample rate converters in the VIA VT1613 can be adjusted in 1Hz increments providing maximum recording manipulation capabilities, and hardware VU peak meters are provided for PCM streams.

For maximum ease of integration the VIA VT1613 is designed with aggressive power management to achieve low power consumption. When used with a 3.3v analog power supply, the power consumption can be further reduced. The VIA VT1613 is available in a small footprint 48-pin LQFP package. Typical applications of the VIA VT1613 include integration into audio on motherboard solutions, add-in cards, and other audio subsystems that require stereo I/O with S/PDIF digital outputs.

Key Features

Sound Quality
» 20-bit independent rate stereo ADC/DAC
» 20-bit stereo full duplex
» 1 Hz resolution VSR (Variable Sampling Rate) on all channels

» Integrated IEC958 line driver for S/PDIF
» S/PDIF compressed digital or LPCM audio out
» Hardware VU peak meters for PCM streams
» 2 stereo, 2 mono analog line-level inputs
» Alt. Line-level output with volume control

» AC'97 2.3 S/PDIF extension compliant codec

Other Features
» 3D stereo expansion for simulated surround
» Headphone Amplifier with Thermal Protection
» Exceeds Microsoft® WHQL logo requirements

» 48-pin LQFP small footprint package

» Low Power consumption mode
» 3.3V digital, 3.3 or 5V analog power supply


VIA Vinyl Audio Six-TRAC image kit (hi-res) / VIA Vinyl Audio Six-TRAC image kit (low-res)

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