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MAX2745ECM from MAXIM,MAXIM - Dallas Semiconductor

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MAX2745ECM

Manufacturer: MAXIM

Single-Chip Global Positioning System Receiver Front-End

Partnumber Manufacturer Quantity Availability
MAX2745ECM MAXIM 237 In Stock

Description and Introduction

Single-Chip Global Positioning System Receiver Front-End The MAX2745ECM is a highly integrated, low-power, direct conversion quadrature demodulator manufactured by Maxim Integrated. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX2745ECM  
- **Type:** Direct Conversion Quadrature Demodulator  
- **Package:** 48-Pin TQFP (Thin Quad Flat Pack)  
- **Operating Frequency Range:** 400MHz to 2500MHz  
- **Supply Voltage:** +2.7V to +5.5V  
- **Current Consumption:** 18mA (typical)  
- **Noise Figure:** 12dB (typical)  
- **Conversion Gain:** 0dB (adjustable)  
- **Input IP3 (Third-Order Intercept Point):** +10dBm (typical)  
- **Baseband Bandwidth:** 5MHz (adjustable)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX2745ECM is designed for direct conversion (zero-IF) receivers in wireless communication systems. It integrates a quadrature demodulator, low-noise amplifier (LNA), and baseband amplifiers, eliminating the need for external IF filters. It supports multiple wireless standards, including GSM, CDMA, and WCDMA.  

### **Features:**  
- **Integrated LNA and Quadrature Demodulator**  
- **Low Power Consumption (18mA typical)**  
- **Wide Frequency Range (400MHz to 2500MHz)**  
- **Adjustable Baseband Bandwidth (up to 5MHz)**  
- **On-Chip LO Buffer with Single-Ended or Differential Input**  
- **High Linearity (Input IP3 of +10dBm)**  
- **Low Noise Figure (12dB typical)**  
- **Single +2.7V to +5.5V Supply Operation**  
- **48-Pin TQFP Package**  

This information is based solely on the manufacturer's datasheet and technical documentation.

Partnumber Manufacturer Quantity Availability
MAX2745ECM MAX 1645 In Stock

Description and Introduction

Single-Chip Global Positioning System Receiver Front-End The MAX2745ECM is a highly integrated, low-power, direct conversion quadrature demodulator designed for use in wireless communication systems.  

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

### **Key Specifications:**  
- **Frequency Range:** 400MHz to 2500MHz  
- **Supply Voltage:** 2.7V to 3.3V  
- **Current Consumption:** 19mA (typical)  
- **Conversion Gain:** 4.5dB (typical)  
- **Noise Figure:** 12dB (typical)  
- **Input IP3 (Third-Order Intercept Point):** +10dBm (typical)  
- **LO Input Power:** -10dBm to 0dBm  
- **Package:** 48-pin TQFP (Thin Quad Flat Pack)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions and Features:**  
- **Direct Conversion Architecture:** Eliminates the need for IF filters, reducing external component count.  
- **Integrated Baseband Amplifiers:** Provides differential I/Q outputs with adjustable gain.  
- **Low LO Leakage:** Minimizes DC offset issues.  
- **Wideband Operation:** Supports multiple wireless standards (GSM, CDMA, WCDMA, LTE, etc.).  
- **Integrated LO Buffer:** Reduces external LO drive requirements.  
- **Low Power Consumption:** Optimized for battery-powered applications.  
- **Differential I/Q Outputs:** Improves noise immunity and signal integrity.  

This device is commonly used in cellular base stations, software-defined radios (SDR), and other wireless communication systems.  

Would you like additional details on any specific parameter?

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