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SI4431ADY from SILICON

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SI4431ADY

Manufacturer: SILICON

P-Channel 30-V (D-S) MOSFET

Partnumber Manufacturer Quantity Availability
SI4431ADY SILICON 1710 In Stock

Description and Introduction

P-Channel 30-V (D-S) MOSFET The part **SI4431ADY** is manufactured by **SILICON LABS (Silicon Laboratories)**. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Silicon Labs  
- **Category:** RF Transceiver ICs  
- **Type:** ISM Band Transceiver  
- **Frequency Range:** 240–930 MHz  
- **Modulation:** FSK, GFSK, OOK  
- **Data Rate:** Up to 256 kbps  
- **Supply Voltage:** 1.8–3.6 V  
- **Current Consumption:**  
  - **RX Mode:** 18.5 mA  
  - **TX Mode (20 dBm output):** 85 mA  
- **Sensitivity:** -121 dBm (at 1.2 kbps, FSK)  
- **Output Power:** Up to +20 dBm (adjustable)  
- **Interface:** SPI  
- **Package:** 20-pin QFN (4x4 mm)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Description:**  
The **SI4431ADY** is a low-power, high-performance RF transceiver IC designed for ISM band applications. It supports flexible frequency ranges and modulation schemes, making it suitable for wireless communication in industrial, medical, and consumer applications.  

### **Features:**  
- **Wide Frequency Range:** 240–930 MHz operation  
- **Low Power Consumption:** Optimized for battery-powered devices  
- **High Sensitivity:** Down to -121 dBm for reliable long-range communication  
- **Programmable Output Power:** Up to +20 dBm  
- **Integrated RF Synthesizer:** Reduces external component count  
- **Fast Frequency Hopping:** Supports frequency agility  
- **SPI Interface:** Easy microcontroller integration  
- **Small Form Factor:** 20-pin QFN package (4x4 mm)  

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

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