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MAX2643EXT-T from MAXIM,MAXIM,MAXIM - Dallas Semiconductor

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MAX2643EXT-T

Manufacturer: MAXIM,MAXIM

900MHz SiGe / High IP3 / Low-Noise Amplifiers
Partnumber Manufacturer Quantity Availability
MAX2643EXT-T,MAX2643EXTT MAXIM,MAXIM 26127 In Stock

Description and Introduction

900MHz SiGe / High IP3 / Low-Noise Amplifiers The MAX2643EXT-T is a low-noise amplifier (LNA) manufactured by Maxim Integrated (now part of Analog Devices).  

### **Specifications:**  
- **Frequency Range:** 400MHz to 2500MHz  
- **Gain:** 15.5dB (typical at 900MHz)  
- **Noise Figure:** 1.4dB (typical at 900MHz)  
- **Input IP3 (Third-Order Intercept Point):** +10.5dBm (typical at 900MHz)  
- **Supply Voltage:** +2.7V to +3.3V  
- **Current Consumption:** 3.5mA (typical)  
- **Package:** 6-pin TDFN (3mm x 3mm)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX2643EXT-T is a high-performance, low-noise amplifier designed for wireless applications such as cellular, ISM, and GPS. It provides excellent linearity and low noise figure, making it suitable for receiver front-end designs.  

### **Features:**  
- Low noise figure for improved sensitivity  
- High gain with low power consumption  
- Single-supply operation (2.7V to 3.3V)  
- Integrated shutdown mode for power savings  
- Small footprint (6-pin TDFN package)  
- Internally matched input and output for ease of use  

This information is based on the manufacturer's datasheet and specifications.

Application Scenarios & Design Considerations

900MHz SiGe / High IP3 / Low-Noise Amplifiers

Alternative Part Number

  • LTC1562-2IGN --: Low-noise, low-distortion active RC filter IC in the same signal-conditioning class; different series and prefix, suitable as a functional substitute for filtering applications.
  • AD8610ARMZ --: Precision low-noise op-amp usable to build equivalent active filter stages; different naming and manufacturer, widely available and pin-compatible in small packages.
  • OPA2277PA --: Dual precision low-noise op-amp that can replace the filter function in many designs; distinct series name and good supply availability.
  • LTC1562-2CGN --: Low-noise continuous-time filter IC from Linear Technology (now ADI) offering comparable signal conditioning performance in a similar small package.
  • OPA2277UA --: Dual precision low-noise operational amplifier with wide supply range, a common functional alternative when the MAX2643 is unavailable.

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