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LMC567 from NS,National Semiconductor

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LMC567

Manufacturer: NS

Low Power Tone Decoder

Partnumber Manufacturer Quantity Availability
LMC567 NS 1737 In Stock

Description and Introduction

Low Power Tone Decoder The LMC567 is a low-power tone decoder IC manufactured by National Semiconductor (NS). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Supply Voltage Range:** 4.75V to 9V  
- **Quiescent Current:** 2.5mA (typical at 5V)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Frequency Range:** 0.01Hz to 500kHz  
- **Output Sink Current:** 50mA (max)  
- **Input Sensitivity:** Adjustable via external components  
- **Package Types:** PDIP-8, SOIC-8  

### **Descriptions:**  
- The LMC567 is a CMOS tone decoder designed to detect a specific frequency within a given bandwidth.  
- It includes an internal oscillator, phase-locked loop (PLL), and an output driver.  
- The device is commonly used in applications such as tone detection, frequency-shift keying (FSK) demodulation, and remote control systems.  

### **Features:**  
- **Low Power Consumption:** Operates efficiently with minimal power draw.  
- **Adjustable Bandwidth:** External resistors and capacitors allow tuning of detection frequency and bandwidth.  
- **High Noise Immunity:** Built-in PLL ensures reliable frequency detection even in noisy environments.  
- **Open-Drain Output:** Provides flexibility in driving external loads.  
- **Wide Supply Voltage Range:** Supports operation from 4.75V to 9V.  

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

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