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LM1973M from FAIRCHILD,Fairchild Semiconductor

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15.625ms

LM1973M

Manufacturer: FAIRCHILD

Micro-Pot 3-Channel 76 dB Audio Attenuator with Mute

Partnumber Manufacturer Quantity Availability
LM1973M FAIRCHILD 4 In Stock

Description and Introduction

Micro-Pot 3-Channel 76 dB Audio Attenuator with Mute The LM1973M is a digital volume control IC manufactured by Fairchild Semiconductor. Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Manufacturer:** Fairchild Semiconductor  
- **Type:** Digital Volume Control IC  
- **Package:** 20-Pin SOIC (Small Outline Integrated Circuit)  
- **Operating Voltage Range:** ±5V to ±15V  
- **Total Harmonic Distortion (THD):** Typically 0.001%  
- **Signal-to-Noise Ratio (SNR):** Typically 120dB  
- **Attenuation Range:** 0dB to -78dB (1dB steps)  
- **Channel Separation:** >100dB  
- **Control Interface:** Serial (SPI-compatible)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The LM1973M is a high-performance digital volume control IC designed for audio applications. It provides precise attenuation control with minimal distortion and noise, making it suitable for professional and consumer audio systems. The device accepts a serial control input (SPI-compatible) for adjusting volume levels digitally.  

### **Features:**  
- **Low Distortion:** Ensures high-fidelity audio performance.  
- **Wide Voltage Range:** Operates from ±5V to ±15V.  
- **High SNR:** Maintains excellent signal clarity.  
- **Precise Attenuation:** 1dB step resolution over a 78dB range.  
- **Serial Control Interface:** Allows easy integration with microcontrollers.  
- **Mute Function:** Includes a software-controllable mute feature.  
- **Robust Design:** Suitable for industrial and automotive environments.  

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

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