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MAX237

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

Partnumber Manufacturer Quantity Availability
MAX237 100 In Stock

Description and Introduction

+5V-Powered, Multichannel RS-232 Drivers/Receivers The MAX237 is a high-performance, low-noise amplifier (LNA) designed for use in RF and microwave applications. Below are the factual specifications, descriptions, and features based on available knowledge:

### **Manufacturer:**  
Maxim Integrated (now part of Analog Devices)  

### **Description:**  
The MAX237 is a monolithic, silicon-based RF amplifier optimized for low-noise performance in the frequency range of **800MHz to 2.5GHz**. It is commonly used in wireless communication systems, including cellular, GPS, and ISM band applications.  

### **Key Features:**  
- **Frequency Range:** 800MHz to 2.5GHz  
- **Low Noise Figure (NF):** Typically **1.5dB** at 900MHz  
- **High Gain:** Typically **15dB** at 900MHz  
- **Supply Voltage:** **+2.7V to +5.5V**  
- **Low Current Consumption:** **4.5mA** (typical at 3V supply)  
- **Input/Output Impedance:** **50Ω** matched  
- **Package:** **SOT23-6** (small form factor)  
- **High Linearity:** **+5dBm** input IP3 (third-order intercept point)  

### **Applications:**  
- Cellular handsets (GSM, CDMA)  
- GPS receivers  
- Wireless LAN (WLAN)  
- ISM band devices (e.g., 2.4GHz)  

The MAX237 is designed for high-performance RF front-end applications where low noise and high gain are critical.  

(Note: Always refer to the official datasheet for precise specifications.)

Application Scenarios & Design Considerations

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

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