The LM4549VH is a high-performance, integrated audio codec product from Texas Instruments, a renowned global semiconductor design and manufacturing company.

• Primary Design: Provide a comprehensive audio solution for desktop and notebook computers
• Signal-to-Noise Ratio (SNR): 100 dB
• Audio Support: Full-duplex stereo sound
• Converter: Stereo 18-bit Analog-to-Digital Converter (ADC) and a 20-bit Digital-to-Analog Converter (DAC)
• Audio Codec: AC '97 2.2 compatible multi-channel audio codec that can support up to six channels of DAC
• Feature: Headphone amplifier that can drive 32-ohm headphones directly
• Feature: Power-down mode and an advanced power management feature that can detect when headphones are plugged in or out
• Amplifier: Programmable Gain Amplifier (PGA) and a stereo microphone preamplifier
• Support: S/PDIF output
• Enhancement: 3D stereo enhancement
• Circuit: Pop noise suppression circuit