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LC7234 from SANYO

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LC7234

Manufacturer: SANYO

Single-chip PLL and Microcontroller with LCD Driver

Partnumber Manufacturer Quantity Availability
LC7234 SANYO 195 In Stock

Description and Introduction

Single-chip PLL and Microcontroller with LCD Driver The LC7234 is a PLL frequency synthesizer IC manufactured by SANYO (now part of ON Semiconductor). Below are the factual specifications, descriptions, and features from available knowledge:

### **Specifications:**  
- **Type:** PLL Frequency Synthesizer IC  
- **Supply Voltage:** 2.7V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** SOP (Small Outline Package)  
- **Frequency Range:** Supports RF and IF frequencies for tuning applications  

### **Descriptions:**  
- Designed for use in radio tuning systems, particularly in car audio and communication devices.  
- Integrates a phase-locked loop (PLL) for stable frequency generation.  
- Includes a built-in prescaler and reference oscillator.  

### **Features:**  
- Low power consumption.  
- Serial data input for control (I²C or similar interface).  
- High-frequency stability with PLL technology.  
- Compatible with microcontrollers for system integration.  

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

Application Scenarios & Design Considerations

Single-chip PLL and Microcontroller with LCD Driver
Partnumber Manufacturer Quantity Availability
LC7234 50 In Stock

Description and Introduction

Single-chip PLL and Microcontroller with LCD Driver The LC7234 is a CMOS LSI (Large Scale Integration) IC manufactured by ON Semiconductor (formerly Sanyo). It is designed for use in PLL (Phase-Locked Loop) frequency synthesizer applications, particularly in car radio systems.  

### **Key Specifications:**  
- **Supply Voltage:** 3.5V to 5.5V (typical operation at 5V)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** 48-pin SSOP (Shrink Small Outline Package)  
- **PLL Frequency Range:** Supports AM/FM bands with programmable reference frequencies  
- **Serial Data Interface:** Uses a 3-wire (CLK, DATA, CE) serial communication protocol  
- **Low Power Consumption:** Optimized for battery or automotive applications  

### **Descriptions and Features:**  
- **Integrated PLL Synthesizer:** Provides stable frequency control for radio tuning.  
- **Built-in Prescaler:** Supports both AM and FM frequency bands.  
- **Microcontroller Interface:** Compatible with serial data input for frequency programming.  
- **LCD Driver Outputs:** Includes segment and common outputs for driving LCD displays.  
- **Key Scan Function:** Supports matrix key input for user control.  
- **Auto Search Function:** Enables automatic station seeking in radio applications.  
- **Low Standby Current:** Suitable for power-efficient designs.  

The LC7234 is commonly used in automotive audio systems, particularly in-car radios, due to its robust PLL tuning and display control capabilities.  

Would you like additional details on any specific aspect of the LC7234?

Application Scenarios & Design Considerations

Single-chip PLL and Microcontroller with LCD Driver

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