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LM4543VH from NS,National Semiconductor

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LM4543VH

Manufacturer: NS

AC 97 Codec with National 3D Sound

Partnumber Manufacturer Quantity Availability
LM4543VH NS 220 In Stock

Description and Introduction

AC 97 Codec with National 3D Sound The LM4543VH is a National Semiconductor (NS) product, which is a high-performance audio codec designed for multimedia applications. Below are the factual details from Ic-phoenix technical data files:

### **Manufacturer:**  
National Semiconductor (NS)  

### **Specifications:**  
- **Type:** Audio Codec (Encoder/Decoder)  
- **Interface:** AC '97 Rev 2.1 compliant  
- **Resolution:** 18-bit ADC and DAC  
- **Sampling Rate:** Up to 48 kHz  
- **Signal-to-Noise Ratio (SNR):**  
  - 90 dB (DAC)  
  - 85 dB (ADC)  
- **Dynamic Range:**  
  - 90 dB (DAC)  
  - 85 dB (ADC)  
- **Total Harmonic Distortion + Noise (THD+N):**  
  - -80 dB (DAC)  
  - -75 dB (ADC)  
- **Power Supply:** 3.3V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 48-pin LQFP  

### **Descriptions:**  
The LM4543VH is a mixed-signal audio codec that integrates stereo ADC and DAC functionality, supporting AC '97 2.1 specifications. It is optimized for PC multimedia systems, providing high-quality audio recording and playback.  

### **Features:**  
- Supports stereo microphone input  
- Stereo line input and output  
- Mono microphone input with AGC (Automatic Gain Control)  
- Independent headphone amplifier  
- 3D stereo enhancement  
- Software-selectable input and output gains  
- Low-power modes for power-sensitive applications  

This information is based solely on the manufacturer's specifications.

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