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MAX239CWG from MAXIM,MAXIM - Dallas Semiconductor

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MAX239CWG

Manufacturer: MAXIM, MAX

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

Partnumber Manufacturer Quantity Availability
MAX239CWG MAXIM, MAX 56 In Stock

Description and Introduction

+5V-Powered, Multichannel RS-232 Drivers/Receivers The MAX239CWG is a low-power, high-performance RF downconverter IC manufactured by Maxim Integrated.  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Package:** 24-pin Wide SOIC (SO)  
- **Operating Frequency Range:** 800MHz to 1000MHz  
- **Conversion Gain:** 7.5dB (typical)  
- **Noise Figure:** 4.5dB (typical)  
- **Input IP3 (Third-Order Intercept Point):** +5dBm (typical)  
- **LO (Local Oscillator) Input Power:** -10dBm to +5dBm  
- **Supply Voltage:** +4.75V to +5.25V  
- **Supply Current:** 15mA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX239CWG is designed for RF downconversion applications, converting RF signals to a lower intermediate frequency (IF). It integrates a mixer, LO buffer, and IF amplifier, making it suitable for wireless communication systems.  

### **Features:**  
- Low-power consumption  
- High linearity and low noise figure  
- Integrated LO buffer reduces external component count  
- Single +5V supply operation  
- Wide operating frequency range (800MHz–1000MHz)  
- Suitable for cellular and wireless applications  

For detailed electrical characteristics and application circuits, refer to the official Maxim Integrated datasheet.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • ADM239LJR --: Pin-compatible RS-232 transceiver with similar driver/receiver configuration and supply requirements, widely available as a direct functional replacement.
  • ST232CWR --: Industry-standard 5V RS-232 transceiver offering comparable driver/receiver count and performance, suitable for drop-in use in most MAX239 applications.
  • ICL239CPE --: Equivalent multi-channel RS-232 interface device with matching functionality and DIP package option, usable as a lower-cost alternative.
  • ADM239JN --: Pin-compatible multi-channel RS-232 transceiver from a different series, widely used as a direct substitute for the MAX239 in serial interface designs.
  • LT1181ACSW --: Dual RS-232 driver/receiver with comparable supply and data-rate specs, offering a different naming series and good availability.

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