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MAX2108CEG from MAXIM,MAXIM - Dallas Semiconductor

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MAX2108CEG

Manufacturer: MAXIM, MAXIM/LSI, MAX

Direct-Conversion Tuner IC
Partnumber Manufacturer Quantity Availability
MAX2108CEG MAXIM, MAXIM/LSI, MAX 1876 In Stock

Description and Introduction

Direct-Conversion Tuner IC The MAX2108CEG is a direct-conversion tuner IC manufactured by Maxim Integrated (formerly LSI). Below are its key specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated (formerly LSI)  
- **Part Number:** MAX2108CEG  
- **Package:** 48-pin TQFP (Thin Quad Flat Package)  
- **Operating Voltage:** 3.3V  
- **Frequency Range:** Covers TV tuner applications (exact range depends on application)  
- **Technology:** Direct-conversion (Zero-IF) architecture  
- **Applications:** Digital TV tuners, set-top boxes, cable modems  

### **Descriptions:**  
The MAX2108CEG is a highly integrated direct-conversion tuner IC designed for digital TV and broadband communication applications. It eliminates the need for external IF (Intermediate Frequency) components by converting RF signals directly to baseband.  

### **Features:**  
- **Direct-Conversion Tuner:** Converts RF signals to baseband without an IF stage.  
- **Integrated PLL (Phase-Locked Loop):** Provides frequency synthesis for LO (Local Oscillator) generation.  
- **Low Noise Figure:** Optimized for high sensitivity in tuner applications.  
- **I/Q Outputs:** Provides in-phase (I) and quadrature (Q) baseband outputs.  
- **On-Chip ADCs (Analog-to-Digital Converters):** Some versions may include integrated ADCs (verify datasheet for exact configuration).  
- **Low Power Consumption:** Designed for energy-efficient operation.  
- **Digital Control Interface:** Typically SPI or I²C for configuration.  

For exact electrical characteristics and application details, refer to the official **MAX2108CEG datasheet** from Maxim Integrated.

Application Scenarios & Design Considerations

Direct-Conversion Tuner IC

Alternative Part Number

  • SI4133-D-GT --: Dual-band RF synthesizer with integrated VCOs, functionally similar to the MAX2108 tuner IC and usable as a drop-in style replacement in many receiver designs.
  • LMX2485ESQ --: Low-power dual PLL frequency synthesizer covering similar RF ranges, offering comparable tuning performance and a different series naming for easy distinction.
  • ADF4360-7BCPZ --: Integrated PLL and VCO synthesizer with comparable frequency coverage, suitable as a functional alternative when the MAX2108 is unavailable.
  • LT5517EUF --: Direct quadrature demodulator with similar IF/RF range and function; different series and pinout, so verify footprint and supply.
  • AD8347ARUZ --: Wideband quadrature demodulator covering comparable frequencies; different naming and package, check gain and LO requirements.
  • HMC951ALP4E --: Integrated I/Q downconverter with similar role; different series and package, confirm frequency range and interface compatibility.
  • LMX2430TMX --: Low-power dual frequency synthesizer covering similar RF ranges, offering comparable PLL functionality for tuner applications.

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