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IA4420 from Integration

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IA4420

Manufacturer: Integration, INTEGRAT

Universal ISM Band FSK Transceiver

Partnumber Manufacturer Quantity Availability
IA4420 Integration, INTEGRAT 9540 In Stock

Description and Introduction

Universal ISM Band FSK Transceiver The part **IA4420** is a **433/868/915 MHz FSK/ASK transceiver** manufactured by **Integration Associates** (now part of **Silicon Labs**).  

### **Integration Specifications:**  
- **Frequency Range:** 433 MHz, 868 MHz, or 915 MHz (selectable)  
- **Modulation:** FSK (Frequency Shift Keying) and ASK (Amplitude Shift Keying)  
- **Data Rate:** Up to **128 kbps**  
- **Supply Voltage:** **2.2V to 3.7V**  
- **Current Consumption:**  
  - **Receive Mode:** ~12 mA  
  - **Transmit Mode:** ~25 mA (at +10 dBm output)  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package:** **TSSOP-20**  

### **Descriptions:**  
- The **IA4420** is a low-power, high-performance RF transceiver designed for **short-range wireless communication**.  
- It features an **integrated PLL, VCO, and PA (Power Amplifier)**, reducing external component count.  
- Supports **SPI interface** for configuration and data transfer.  
- Includes **RSSI (Received Signal Strength Indicator)** for signal strength monitoring.  

### **Features:**  
- **Low power consumption** for battery-operated applications.  
- **Programmable output power** (up to +10 dBm).  
- **Fast frequency hopping** for improved interference immunity.  
- **Built-in data filtering** (Manchester encoding/decoding).  
- **Small form factor** (TSSOP-20 package).  

This information is based on the **IA4420 datasheet** from Integration Associates.

Application Scenarios & Design Considerations

Universal ISM Band FSK Transceiver

Alternative Part Number

  • Si4420 --: The Si4420 is the direct successor of the IA4420 after Integration Associates was acquired by Silicon Labs; same function and pinout, widely available.
  • Si4320 --: Same Silicon Labs EZRadio family as the IA4420 with compatible FSK transceiver functionality; suitable drop-in for many designs.
  • CC1101 --: Popular sub-1GHz FSK transceiver offering comparable functionality and broad availability as an alternative to the IA4420.

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