TDA18271HD/C2,557

Product Overview

The TDA18271HD/C2,557 is a high-performance silicon tuner designed for use in digital television applications. This device belongs to the category of integrated circuits and is commonly used in digital TV sets, set-top boxes, and other digital TV reception equipment. The TDA18271HD/C2,557 offers characteristics such as high sensitivity, low power consumption, and excellent signal reception capabilities. It is typically packaged in a small outline package (SOP) and is available in various quantities to meet different production needs.

Specifications

• Frequency Range: 48MHz to 860MHz
• Input Impedance: 75 Ohm
• Supply Voltage: 3.3V
• Power Consumption: <1.2W
• Package Type: SOP24

Detailed Pin Configuration

The TDA18271HD/C2,557 features a 24-pin configuration with specific pins dedicated to RF input, IF output, supply voltage, and control signals. A detailed pinout diagram can be found in the product datasheet.

Functional Features

• High Sensitivity: Ensures reliable reception of weak signals.
• Low Power Consumption: Contributes to energy-efficient operation.
• Wide Frequency Range: Supports reception across various digital TV standards.
• Integrated RF Tracking Filters: Enhances signal selectivity and rejection of unwanted interference.

Advantages and Disadvantages

Advantages

• Excellent signal reception capabilities
• Low power consumption
• Wide frequency range

Disadvantages

• Limited availability of alternative models
• Sensitive to electromagnetic interference in certain environments

Working Principles

The TDA18271HD/C2,557 operates based on the principle of RF signal reception and conversion to intermediate frequency (IF) signals. It utilizes advanced RF tracking filters and signal processing techniques to ensure optimal reception performance.

Detailed Application Field Plans

The TDA18271HD/C2,557 is well-suited for integration into digital TV sets, set-top boxes, and digital TV reception equipment used in terrestrial, cable, and satellite broadcast systems. Its high sensitivity and wide frequency range make it suitable for various digital TV standards, including DVB-T, DVB-C, and ISDB-T.

Detailed and Complete Alternative Models

While the TDA18271HD/C2,557 is a highly capable silicon tuner, alternative models with similar functionality include the TDA18272HD/C2 and TDA18273HD/C2. These alternatives offer comparable performance and compatibility with digital TV applications.

In conclusion, the TDA18271HD/C2,557 is a versatile and high-performance silicon tuner designed for digital television applications. With its excellent reception capabilities, low power consumption, and wide frequency range, it is an ideal choice for manufacturers of digital TV sets and related equipment.

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