Manufacturer Part Number
LM4549BVH
Manufacturer
Texas Instruments
Introduction
The LM4549BVH is an AC '97 audio codec interface designed for PC multimedia systems.
Product Features and Performance
18-bit resolution
Two ADCs and two DACs
Sigma-Delta technology
Compatible with Serial data interface
90 dB Dynamic Range for ADCs
89 dB Dynamic Range for DACs
Product Advantages
Integrated headphone amplifier
Provides high-quality audio fidelity
Designed to meet PC2001 audio performance requirements
Key Technical Parameters
Voltage Supply Analog: 4.2V to 5.5V
Voltage Supply Digital: 3.3V to 5.5V
Operating Temperature: -40°C to 85°C
Support for Variable Rate Audio
Quality and Safety Features
Exceeds Microsoft PC 99 and PC 2001 System Design Guide
Compatibility
Meet AC '97 specifications
Compatible with Serial data interface
Application Areas
PC multimedia systems
Sound cards
Product Lifecycle
Obsolete - Potential alternatives or replacements may be needed
Several Key Reasons to Choose This Product
High fidelity audio playback and recording
Support for multiple audio formats
Low power consumption
Robust operating temperature range supporting harsh environments
Ease of integration into system design due to LQFP packaging
LM4548VHXNS