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LM1972N from NS,National Semiconductor

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LM1972N

Manufacturer: NS

Micro-Pot 2-Channel 78 dB Audio Attenuator with Mute

Partnumber Manufacturer Quantity Availability
LM1972N NS 133 In Stock

Description and Introduction

Micro-Pot 2-Channel 78 dB Audio Attenuator with Mute The LM1972N is a digital volume control manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Type:** Digital Potentiometer  
- **Channels:** Dual  
- **Resolution:** 7-bit (128 steps)  
- **Resistance Range:** 0Ω to 100kΩ (adjustable)  
- **Interface:** Serial (SPI-compatible)  
- **Supply Voltage Range:** ±5V to ±15V  
- **THD (Total Harmonic Distortion):** <0.01%  
- **SNR (Signal-to-Noise Ratio):** >100dB  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Pin PDIP (Plastic Dual In-Line Package)  

### **Descriptions:**  
The LM1972N is a digitally controlled, dual-channel audio attenuator designed for high-performance audio applications. It provides precise volume control via a serial interface, making it suitable for professional and consumer audio systems.  

### **Features:**  
- **Low Distortion:** Ensures high-fidelity audio performance.  
- **Wide Supply Range:** Supports ±5V to ±15V operation.  
- **Non-Volatile Memory:** Stores settings when powered off (if equipped).  
- **Mute Function:** Allows muting of audio channels.  
- **High SNR:** Maintains clear audio output.  
- **SPI-Compatible Interface:** Easy integration with microcontrollers.  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

Micro-Pot 2-Channel 78 dB Audio Attenuator with Mute

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