Manufacturer Part Number
LM4550BVH
Manufacturer
Texas Instruments
Introduction
The LM4550BVH from Texas Instruments is a part of their Interface CODECS category and comes in a 48-LQFP packaging. Designed primarily for audio interfacing, it operates under the AC '97 standard.
Product Features and Performance
Audio CODEC compliant with AC '97 standard
Serial data interface
18-bit resolution
Dual ADCs and DACs
Sigma Delta technology enabled
Supports both analog and digital power supplies
Operational in a wide temperature range from -40°C to 85°C
Surface mount technology
Product Advantages
Integrated ADC and DAC features to support both recording and playback
Enhanced signal fidelity with sigma-delta modulation
Robust temperature grade suitable for various environments
Key Technical Parameters
Resolution: 18 bits
Number of ADCs/DACs: 2/2
Dynamic Range: ADCs 90 dB, DACs 89 dB
Voltage - Supply, Analog: 4.2V ~ 5.5V
Voltage - Supply, Digital: 3V ~ 5.5V
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Operates reliably within a stringent temperature range ensuring stable performance across diverse conditions
Compatibility
Designed for audio interfacing within electronic systems requiring AC '97 audio codec standards
Application Areas
Used primarily in computer audio systems and multimedia setups
Product Lifecycle
Marked as "Not For New Designs," indicating it may be phasing out soon with potential replacements available
Several Key Reasons to Choose This Product
AC '97 compliance ensures interoperability across multiple audio systems
Integrated dual ADC and DAC reduce additional component requirement
Extensive dynamic range allows handling of wide audio signal variations
Suitability across a broad range of temperature conditions allows for deployment in various environmental settings
Standard LQFP packaging facilitates easier mounting on PCBs
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