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LM4546VH from NSC,National Semiconductor

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LM4546VH

Manufacturer: NSC

AC '97 Rev 2 Codec with Sample Rate Conversion and National 3D Sound [Life-time buy]

Partnumber Manufacturer Quantity Availability
LM4546VH NSC 976 In Stock

Description and Introduction

AC '97 Rev 2 Codec with Sample Rate Conversion and National 3D Sound [Life-time buy] The LM4546VH is a part manufactured by National Semiconductor (NSC). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** National Semiconductor (NSC)  
- **Category:** Audio Codec (Coder-Decoder)  
- **Type:** Stereo Audio Codec with AC'97 2.3 Compliance  
- **Package:** 48-Pin TQFP (Thin Quad Flat Package)  
- **Operating Voltage:** 3.3V (Digital), 5V (Analog)  
- **Sampling Rate:** Up to 48 kHz  
- **Data Interface:** AC'97 Rev 2.3 compliant  
- **ADC Resolution:** 18-bit  
- **DAC Resolution:** 20-bit  
- **Signal-to-Noise Ratio (SNR):** >90 dB (DAC), >85 dB (ADC)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The LM4546VH is a high-performance stereo audio codec designed for PC multimedia applications. It integrates analog-to-digital (ADC) and digital-to-analog (DAC) converters, supporting AC'97 2.3 specifications. It includes features such as programmable sample rates, microphone input, and multiple audio output channels.  

### **Features:**  
- **AC'97 2.3 Compliant Interface**  
- **Stereo 18-bit ADC and 20-bit DAC**  
- **Supports Multiple Sampling Rates (up to 48 kHz)**  
- **Integrated Analog Mixer with Volume Control**  
- **Microphone Input with Gain Adjustment**  
- **3D Stereo Enhancement Support**  
- **Low Power Consumption**  
- **48-Pin TQFP Package for Space Efficiency**  

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

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