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MAX2140ETH+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX2140ETH+

Manufacturer: MAXIM

Complete SDARS Receiver

Partnumber Manufacturer Quantity Availability
MAX2140ETH+,MAX2140ETH MAXIM 5635 In Stock

Description and Introduction

Complete SDARS Receiver The MAX2140ETH+ is a high-performance, direct conversion tuner IC designed for digital TV applications. It is manufactured by Maxim Integrated (now part of Analog Devices).  

### **Specifications:**  
- **Frequency Range:** 48 MHz to 860 MHz  
- **Input Signal Level:** -85 dBm to +5 dBm  
- **Noise Figure:** 4.5 dB (typical)  
- **Conversion Gain:** 40 dB (typical)  
- **Supply Voltage:** 3.3 V  
- **Current Consumption:** 140 mA (typical)  
- **Package:** 48-pin TQFN (7 mm x 7 mm)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX2140ETH+ is a direct-conversion tuner optimized for digital TV reception, including DVB-T, DVB-T2, ATSC, and ISDB-T standards. It integrates a low-noise amplifier (LNA), mixer, local oscillator (LO), and baseband filters, eliminating the need for external SAW filters.  

### **Features:**  
- **Direct Conversion Architecture** – Reduces external component count.  
- **Integrated LNA and Mixer** – Improves sensitivity and noise performance.  
- **On-Chip LO with Fractional-N Synthesizer** – Provides precise frequency tuning.  
- **I²C Control Interface** – Allows easy configuration.  
- **Low Power Consumption** – Suitable for portable and battery-powered applications.  
- **High Linearity** – Supports strong signal environments.  

This IC is commonly used in set-top boxes, USB TV tuners, and other digital TV reception devices.

Application Scenarios & Design Considerations

Complete SDARS Receiver

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