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LC73872 from HITACHI

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LC73872

Manufacturer: HITACHI

DTMF Receiver

Partnumber Manufacturer Quantity Availability
LC73872 HITACHI 16 In Stock

Description and Introduction

DTMF Receiver Part Number: **LC73872**  
Manufacturer: **HITACHI**  

### **Specifications:**  
- **Type:** CMOS LSI (Large-Scale Integration)  
- **Function:** Digital Signal Processor (DSP) for audio applications  
- **Operating Voltage:** Typically 5V (check datasheet for exact range)  
- **Package:** SOP (Small Outline Package) or similar (verify exact package in datasheet)  
- **Applications:** Used in audio processing, such as echo cancellation and noise reduction.  

### **Descriptions & Features:**  
- **High-Performance DSP:** Optimized for real-time audio signal processing.  
- **Low Power Consumption:** Designed for efficiency in portable and consumer electronics.  
- **Integrated Functions:** May include features like filters, AD/DA converters, and memory interfaces (confirm specifics in datasheet).  
- **Compatibility:** Interfaces with microcontrollers and other digital audio components.  

For exact electrical characteristics, pin configurations, and application notes, refer to the official **HITACHI LC73872 datasheet**.

Application Scenarios & Design Considerations

DTMF Receiver
Partnumber Manufacturer Quantity Availability
LC73872 SANYO 150 In Stock

Description and Introduction

DTMF Receiver The LC73872 is a digital PLL frequency synthesizer IC manufactured by SANYO.  

### **Specifications:**  
- **Supply Voltage (VDD):** 2.7V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Frequency Range:** Up to 76MHz (varies by application)  
- **Serial Data Interface:** 3-wire (CLK, DATA, STB)  
- **Low Power Consumption:** Suitable for battery-operated devices  
- **Package Type:** SOP (Small Outline Package)  

### **Descriptions and Features:**  
- Designed for radio tuners and communication systems.  
- Supports AM/FM frequency synthesis.  
- Built-in reference oscillator with divider.  
- Programmable divider ratios for flexible frequency control.  
- Low phase noise for stable signal generation.  
- Compatible with microcontrollers via serial interface.  

For exact application details, refer to the official SANYO datasheet.

Application Scenarios & Design Considerations

DTMF Receiver
Partnumber Manufacturer Quantity Availability
LC73872 89 In Stock

Description and Introduction

DTMF Receiver The LC73872 is a CMOS LSI (Large Scale Integration) IC designed for PLL (Phase-Locked Loop) frequency synthesizer applications. Below are its key specifications, descriptions, and features:

### **Manufacturer Specifications:**
1. **Supply Voltage:** 2.7V to 5.5V  
2. **Operating Temperature Range:** -40°C to +85°C  
3. **Frequency Range:** Supports RF and IF frequency synthesis  
4. **Package Type:** SOP (Small Outline Package) or similar surface-mount package  
5. **Power Consumption:** Low power consumption typical of CMOS technology  

### **Descriptions:**
- The LC73872 is optimized for use in radio communication systems, such as car radios, portable radios, and other wireless devices.  
- It integrates a PLL circuit with a prescaler, phase comparator, and reference frequency divider to generate stable output frequencies.  
- The IC supports serial data input for programming the frequency division ratio.  

### **Features:**
1. **Built-in Prescaler:** Supports high-frequency input signals.  
2. **Serial Data Interface:** Allows microcontroller-based control for frequency setting.  
3. **Low Phase Noise:** Ensures stable frequency synthesis for communication applications.  
4. **Wide Operating Voltage Range:** Suitable for battery-powered and automotive applications.  
5. **Compact Design:** Small form factor for space-constrained PCB layouts.  

For exact pin configurations, electrical characteristics, and application circuits, refer to the official datasheet from the manufacturer.

Application Scenarios & Design Considerations

DTMF Receiver

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