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LM1971MX from NSC,National Semiconductor

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LM1971MX

Manufacturer: NSC

Digitally Controlled 62 dB Audio Attenuator with/Mute

Partnumber Manufacturer Quantity Availability
LM1971MX NSC 4 In Stock

Description and Introduction

Digitally Controlled 62 dB Audio Attenuator with/Mute The LM1971MX is a digitally controlled audio attenuator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Type:** Digitally Controlled Audio Attenuator  
- **Channels:** 1 (Mono)  
- **Attenuation Range:** 0 dB to -78 dB in 0.5 dB steps  
- **Total Harmonic Distortion (THD):** <0.01%  
- **Signal-to-Noise Ratio (SNR):** >110 dB  
- **Supply Voltage Range:** ±4.5V to ±15V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-20  

### **Descriptions:**  
The LM1971MX is designed for high-performance audio applications requiring precise digital volume control. It features low distortion, high signal-to-noise ratio, and a wide attenuation range, making it suitable for professional and consumer audio systems.  

### **Features:**  
- **Precision Attenuation:** 0.5 dB steps from 0 dB to -78 dB  
- **Low Distortion:** Ensures high-fidelity audio output  
- **Wide Supply Voltage Range:** Supports ±4.5V to ±15V operation  
- **Serial Control Interface:** Allows easy integration with microcontrollers  
- **Mute Function:** Provides additional audio control capability  
- **Thermal Protection:** Prevents damage from overheating  

This device is ideal for applications such as mixing consoles, audio amplifiers, and digital audio systems.

Application Scenarios & Design Considerations

Digitally Controlled 62 dB Audio Attenuator with/Mute

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