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MAX243EWE from MAXIM,MAXIM - Dallas Semiconductor

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MAX243EWE

Manufacturer: MAXIM, MAX

+5V-Powered, Multichannel RS-232 Drivers/Receivers

Partnumber Manufacturer Quantity Availability
MAX243EWE MAXIM, MAX 263 In Stock

Description and Introduction

+5V-Powered, Multichannel RS-232 Drivers/Receivers The MAX243EWE is a high-performance, low-power RF amplifier manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX243EWE  
- **Package:** 16-pin Wide SOIC (SO)  
- **Operating Frequency Range:** 800MHz to 1000MHz  
- **Gain:** 15dB (typical)  
- **Noise Figure:** 3.5dB (typical)  
- **Supply Voltage (VCC):** +2.7V to +5.5V  
- **Current Consumption:** 5.5mA (typical)  
- **Input/Output Impedance:** 50Ω  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
- The MAX243EWE is a low-noise amplifier (LNA) designed for RF applications in the 800MHz to 1000MHz frequency range.  
- It is optimized for low-power operation while maintaining high gain and low noise performance.  
- The device is suitable for wireless communication systems, including cellular and ISM band applications.  

### **Features:**
- **Low Power Consumption:** Operates at just 5.5mA typical current.  
- **High Gain:** Provides 15dB typical gain for signal amplification.  
- **Low Noise Figure:** 3.5dB typical for improved signal clarity.  
- **Wide Supply Range:** Supports operation from 2.7V to 5.5V.  
- **50Ω Matched Input/Output:** Simplifies integration into RF systems.  
- **Small Footprint:** 16-pin SOIC package for space-constrained applications.  

For detailed application notes and additional specifications, refer to the official Maxim Integrated datasheet.

Application Scenarios & Design Considerations

+5V-Powered, Multichannel RS-232 Drivers/Receivers

Alternative Part Number

  • ADM232AARNZ --: Pin-compatible RS-232 transceiver in a 16-pin SOIC package with equivalent dual-driver/receiver functionality and widely available.
  • ST232ECDR --: RS-232 line driver/receiver with similar driver/receiver count and supply requirements, offered in SOIC-16 for direct board replacement.
  • ICL232CPE --: Classic dual RS-232 transmitter/receiver with comparable electrical characteristics, though in a DIP package requiring layout adaptation.

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