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LMC1982 from NS,National Semiconductor

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LMC1982

Manufacturer: NS

Digitally-Controlled Stereo Tone and Volume Circuit with Two Selectable Stereo Inputs

Partnumber Manufacturer Quantity Availability
LMC1982 NS 50 In Stock

Description and Introduction

Digitally-Controlled Stereo Tone and Volume Circuit with Two Selectable Stereo Inputs The LMC1982 is a digital potentiometer manufactured by National Semiconductor (NS). Below are the specifications, descriptions, and features based on the available knowledge base:  

### **Specifications:**  
- **Type:** Digital Potentiometer  
- **Resolution:** 8-bit (256 taps)  
- **Interface:** Serial (SPI-compatible)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Resistance Range:** Typically 10kΩ, 50kΩ, or 100kΩ (varies by model)  
- **Temperature Range:** Industrial (-40°C to +85°C)  
- **Non-Volatile Memory:** Some variants include EEPROM for wiper position storage  
- **Low Power Consumption:** Suitable for battery-operated devices  

### **Descriptions:**  
The LMC1982 is a digitally controlled potentiometer that replaces mechanical potentiometers in electronic circuits. It allows for precise resistance adjustments via a serial interface, making it ideal for applications requiring automated or remote calibration.  

### **Features:**  
- **SPI-Compatible Interface:** Enables easy integration with microcontrollers.  
- **Wide Operating Voltage:** Supports both 3.3V and 5V systems.  
- **Low Power Consumption:** Optimized for portable and battery-powered applications.  
- **Non-Volatile Option:** Some models retain settings after power-off.  
- **High Reliability:** No mechanical wear, unlike traditional potentiometers.  

For exact resistance values and additional details, refer to the specific datasheet for the LMC1982 variant in question.

Application Scenarios & Design Considerations

Digitally-Controlled Stereo Tone and Volume Circuit with Two Selectable Stereo Inputs

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