DTMF Receiver LSI The LC73881M is a digital PLL frequency synthesizer IC manufactured by SANYO. Below are its key specifications, descriptions, and features based on factual information:
### **Specifications:**
- **Manufacturer:** SANYO
- **Type:** Digital PLL Frequency Synthesizer
- **Package:** SOP (Small Outline Package)
- **Operating Voltage:** Typically 3V to 5.5V
- **Frequency Range:** Covers a wide range for PLL applications (exact range depends on external components)
- **Phase Comparator:** Built-in digital phase comparator
- **Reference Frequency Input:** Supports external reference oscillator or crystal
- **Programmable Divider:** Allows flexible frequency setting via serial data input
- **Low Power Consumption:** Suitable for battery-operated devices
### **Descriptions:**
- The LC73881M is designed for stable frequency synthesis in communication and audio systems.
- It integrates a phase-locked loop (PLL) with a programmable divider for precise frequency control.
- Used in applications like FM/AM tuners, wireless communication, and frequency modulation systems.
### **Features:**
- **Serial Data Control:** Allows easy frequency setting via a microcontroller.
- **Low Phase Noise:** Ensures stable signal generation.
- **Built-in Prescaler:** Supports high-frequency division.
- **Compact SOP Package:** Suitable for space-constrained designs.
- **Wide Operating Voltage Range:** Compatible with 3V and 5V systems.
For exact electrical characteristics and application circuits, refer to the official SANYO datasheet.
