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MAX2118UTL+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX2118UTL+T

Manufacturer: MAXIM, MAX, MAXIN

Complete DBS Direct-Conversion Tuner ICs with Monolithic VCOs
Partnumber Manufacturer Quantity Availability
MAX2118UTL+T,MAX2118UTLT MAXIM, MAX, MAXIN 6573 In Stock

Description and Introduction

Complete DBS Direct-Conversion Tuner ICs with Monolithic VCOs The **MAX2118UTL+T** is a **dual-band direct conversion tuner IC** manufactured by **Maxim Integrated (now part of Analog Devices)**. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Package:** 40-TQFN (6x6)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Supply Voltage:** 3.3V  
- **Frequency Range:**  
  - **VHF Band III:** 174 MHz to 230 MHz  
  - **UHF Band IV/V:** 470 MHz to 862 MHz  
- **Input Signal Level:** -85 dBm to -5 dBm  
- **Gain Control Range:** >85 dB  
- **Noise Figure:** <4.5 dB (UHF), <5.5 dB (VHF)  
- **IF Output:** Zero-IF (I/Q baseband outputs)  
- **I/Q Output Impedance:** 1.5 kΩ (differential)  

### **Descriptions:**
- The **MAX2118UTL+T** is a **highly integrated, low-power, direct-conversion tuner** designed for **DVB-T/H, ISDB-T, and T-DMB** applications.  
- It supports **dual-band (VHF & UHF) reception** with **automatic band selection**.  
- The device features **on-chip synthesizers, LNAs (Low-Noise Amplifiers), mixers, and baseband amplifiers**, eliminating the need for external SAW filters.  
- It provides **I/Q baseband outputs** for direct demodulation in digital TV receivers.  

### **Features:**
- **Integrated VCO & PLL** (Phase-Locked Loop) with **low phase noise**.  
- **High linearity (IIP3 > +5 dBm)** for robust performance in crowded RF environments.  
- **Automatic Gain Control (AGC)** with >85 dB dynamic range.  
- **Low power consumption** (~450 mW typical).  
- **Single 3.3V supply operation**.  
- **40-lead TQFN package** with exposed pad for thermal dissipation.  

This IC is optimized for **digital terrestrial TV tuners** and **mobile TV applications**.

Application Scenarios & Design Considerations

Complete DBS Direct-Conversion Tuner ICs with Monolithic VCOs

Alternative Part Number

  • SI4825-A10-CS --: Integrated AM/FM receiver IC with similar tuner function and comparable supply voltage, suitable as a functional substitute in radio receiver designs.
  • TDA7706 --: Single-chip AM/FM tuner IC offering comparable broadcast reception capability and a different series naming, usable as an alternative tuner solution.
  • LV24000P --: AM/FM tuner IC with integrated functionality similar to the original receiver, providing a distinct part series as a cross-reference option.
  • MAX2118UTL --: Same MAX2118 device in the same UTQFN package without the tape-and-reel suffix, so it is functionally identical and pin-compatible.
  • MAX2119UTL --: Closely related MAX2119 series tuner IC in the same package family with similar RF performance, suitable as a drop-in alternative after datasheet verification.
  • MAX2120UTL --: Another MAX2120 series satellite tuner IC in the same UTQFN package with comparable functionality, usable as a fallback alternative.
  • MAX2118EUTL --: Same MAX2118 series in a UT package variant, offering equivalent electrical performance for the same application.
  • MAX2118UTL-T --: Same device supplied in tape-and-reel form with a different ordering suffix, suitable as a drop-in replacement.

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