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MAX2120CTI+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX2120CTI+

Manufacturer: MAXIM

Complete, Direct-Conversion Tuner for DVB-S and Free-to-Air Applications

Partnumber Manufacturer Quantity Availability
MAX2120CTI+,MAX2120CTI MAXIM 195 In Stock

Description and Introduction

Complete, Direct-Conversion Tuner for DVB-S and Free-to-Air Applications The MAX2120CTI+ is a direct-conversion tuner IC manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX2120CTI+  
- **Package:** 28-TQFN (5x5mm)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Supply Voltage:** 3.3V  
- **Current Consumption:** ~200mA (typical)  
- **Frequency Range:** 48MHz to 860MHz  
- **Input Signal Level:** -85dBm to +5dBm  
- **Gain Control Range:** 90dB (typical)  
- **Output Interface:** I/Q baseband outputs  
- **Applications:** Digital TV (DVB-T, DVB-H, ISDB-T), cable tuners, set-top boxes  

### **Descriptions:**  
The MAX2120CTI+ is a direct-conversion tuner IC designed for digital TV and cable applications. It integrates a low-noise amplifier (LNA), mixer, local oscillator (LO), and baseband filters in a single chip, eliminating the need for external SAW filters. It supports multiple digital TV standards, including DVB-T, DVB-H, and ISDB-T.  

### **Features:**  
- **Direct-Conversion Architecture:** Eliminates the need for IF SAW filters.  
- **Integrated LNA, Mixer, and PLL:** Simplifies design and reduces BOM cost.  
- **Wide Frequency Range:** Supports 48MHz to 860MHz operation.  
- **High Dynamic Range:** Handles input signals from -85dBm to +5dBm.  
- **Low Power Consumption:** Operates from a single 3.3V supply.  
- **I/Q Baseband Outputs:** Provides differential outputs for direct ADC interfacing.  
- **Integrated AGC (Automatic Gain Control):** Ensures stable signal reception.  
- **Small Footprint:** 28-pin TQFN package (5x5mm) for space-constrained designs.  

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

Application Scenarios & Design Considerations

Complete, Direct-Conversion Tuner for DVB-S and Free-to-Air Applications

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