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MAX2741AETI+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX2741AETI+

Manufacturer: MAXIM, MAX

Integrated L1-Band GPS Receiver

Partnumber Manufacturer Quantity Availability
MAX2741AETI+,MAX2741AETI MAXIM, MAX 11269 In Stock

Description and Introduction

Integrated L1-Band GPS Receiver The MAX2741AETI+ is a highly integrated, direct-conversion tuner IC designed for digital TV applications. Below are the factual details about this component:

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

### **Specifications:**  
- **Type:** Direct-Conversion Tuner IC  
- **Package:** 28-Pin TQFN-EP  
- **Operating Temperature Range:** -40°C to +85°C  
- **Supply Voltage:** 3.3V  
- **Frequency Range:** 48MHz to 860MHz  
- **Input Signal Level:** -10dBm to +5dBm  
- **Conversion Gain:** Adjustable  
- **Noise Figure:** Typically 5dB  
- **IF Output:** Zero-IF (I/Q outputs)  
- **Integrated Features:**  
  - On-chip synthesizer with integrated VCO  
  - Low-noise amplifier (LNA)  
  - I/Q demodulator  
  - Programmable gain amplifiers (PGAs)  

### **Descriptions:**  
The MAX2741AETI+ is a single-chip tuner designed for digital terrestrial and cable TV reception. It converts RF signals directly to baseband I/Q outputs, eliminating the need for external IF SAW filters. The device integrates a low-noise amplifier, mixer, synthesizer, and baseband amplifiers, providing a compact solution for digital TV tuners.  

### **Features:**  
- **Direct-Conversion Architecture:** Eliminates external IF filters.  
- **Integrated Synthesizer & VCO:** Reduces external component count.  
- **Low Noise Figure:** Optimized for weak signal reception.  
- **I/Q Demodulation:** Provides balanced baseband outputs.  
- **Programmable Gain Control:** Adjustable for varying signal conditions.  
- **Low Power Consumption:** Suitable for portable applications.  
- **Small Footprint:** 28-pin TQFN-EP package saves board space.  

This information is sourced from the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Integrated L1-Band GPS Receiver

Alternative Part Number

  • SI4133-D-GT --: Integrated dual-band RF synthesizer with similar function and performance class, suitable as a functional replacement in RF tuning applications.
  • LMX2541SQE --: High-performance integrated PLL/VCO synthesizer offering comparable frequency range and phase noise, a strong alternative from a different series.
  • ADF4351BCPZ --: Wideband fractional-N PLL synthesizer with integrated VCO, widely used as a cross-reference for Maxim RF synthesizer parts.
  • ADF4360-7BCPZ --: Integrated integer-N PLL and VCO synthesizer offering comparable RF synthesis capability, from a different manufacturer and series for easy distinction.

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