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LM4550BVH from NSC,National Semiconductor

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LM4550BVH

Manufacturer: NSC

AC '97 Rev 2.1 Codec with Sample Rate Conversion and National 3D Sound

Partnumber Manufacturer Quantity Availability
LM4550BVH NSC 480 In Stock

Description and Introduction

AC '97 Rev 2.1 Codec with Sample Rate Conversion and National 3D Sound The LM4550BVH is a mixed-signal audio codec manufactured by National Semiconductor (NSC). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** National Semiconductor (NSC)  
- **Type:** Audio Codec (Mixed-Signal)  
- **Package:** 48-pin LQFP  
- **Operating Voltage:** 3.3V  
- **Data Interface:** AC '97 2.1/2.2 compliant  
- **Sampling Rate:** Up to 48 kHz  
- **Resolution:** 18-bit ADC, 20-bit DAC  
- **Signal-to-Noise Ratio (SNR):**  
  - ADC: 90 dB  
  - DAC: 90 dB  
- **Dynamic Range:**  
  - ADC: 90 dB  
  - DAC: 90 dB  
- **Power Consumption:** Low-power operation supported  
- **Temperature Range:** Commercial (0°C to +70°C)  

### **Descriptions:**  
The LM4550BVH is a high-performance audio codec designed for PC multimedia applications, providing analog-to-digital (ADC) and digital-to-analog (DAC) conversion. It supports the AC '97 2.1/2.2 standard, enabling integration with PC audio systems.  

### **Features:**  
- **AC '97 2.1/2.2 Compliant**  
- **Integrated Stereo ADC & DAC**  
- **18-bit ADC, 20-bit DAC Resolution**  
- **Supports Multiple Sample Rates (up to 48 kHz)**  
- **Low Power Consumption**  
- **On-Chip Headphone Amplifier**  
- **3D Stereo Enhancement**  
- **Programmable Gain Control**  
- **48-pin LQFP Package**  

This information is strictly based on the manufacturer's datasheet and technical documentation.

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