P-Channel 1.8V Specified PowerTrench MOSFET The **SI4467DY** is a **RF Transceiver IC** manufactured by **Fairchild Semiconductor**. Below are its specifications, descriptions, and features based on available data:
### **Specifications:**
- **Frequency Range:** 142–1050 MHz
- **Modulation:** FSK, GFSK, OOK
- **Data Rate:** Up to 1 Mbps
- **Supply Voltage:** 1.8–3.6 V
- **Current Consumption:**
- **Transmit:** 18 mA (at +10 dBm output)
- **Receive:** 10.5 mA
- **Sleep Mode:** 40 nA
- **Output Power:** Up to +20 dBm (adjustable)
- **Receiver Sensitivity:** -126 dBm (at 1.2 kbps, FSK)
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 20-pin SOIC (SOIC-20)
### **Descriptions:**
- The **SI4467DY** is a low-power, high-performance sub-GHz transceiver designed for wireless applications.
- It supports multiple frequency bands and modulation schemes, making it suitable for ISM band applications.
- The IC integrates a **fully programmable RF transceiver**, a **power amplifier (PA)**, and a **low-noise amplifier (LNA)**.
- It features an **SPI interface** for configuration and control.
### **Features:**
- **Wide Frequency Range:** Operates from 142 MHz to 1050 MHz.
- **Low Power Consumption:** Optimized for battery-powered applications.
- **High Output Power:** Up to +20 dBm for extended range.
- **Advanced Modulation Support:** FSK, GFSK, and OOK.
- **Integrated PA & LNA:** Reduces external component count.
- **Fast Frequency Hopping:** Supports interference avoidance.
- **Programmable Parameters:** Flexible configuration via SPI.
- **Low Sleep Current:** 40 nA for power-saving applications.
This information is based on Fairchild Semiconductor's documentation for the **SI4467DY** RF transceiver IC.
