TDA18211HD/C2,551 - English Editing Encyclopedia Entry

Product Overview

Category

The TDA18211HD/C2,551 belongs to the category of integrated circuits (ICs) specifically designed for high-definition television (HDTV) applications.

Use

This product is primarily used in HDTV receivers and set-top boxes to receive and process digital television signals.

Characteristics

• High-definition signal reception capabilities
• Integrated tuner and demodulator functions
• Compact size for easy integration into electronic devices
• Low power consumption
• Wide operating temperature range

Package

The TDA18211HD/C2,551 is available in a small outline package (SOP) with a specified pin configuration.

Essence

The essence of the TDA18211HD/C2,551 lies in its ability to receive and demodulate high-definition television signals, enabling the display of crystal-clear images on HDTV screens.

Packaging/Quantity

The TDA18211HD/C2,551 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Frequency range: 42 MHz to 1002 MHz
• Input impedance: 75 ohms
• Supply voltage: 3.3 V
• Power consumption: 500 mW
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The TDA18211HD/C2,551 features the following pin configuration:

1. RF_IN: Input for the radio frequency (RF) signal
2. AGC_OUT: Automatic Gain Control output
3. IF_OUT: Intermediate Frequency output
4. SDA: Serial Data input/output for control purposes
5. SCL: Serial Clock input for control purposes
6. GND: Ground connection
7. VCC: Supply voltage input
8. XTAL: Crystal oscillator input

Functional Features

• High sensitivity for improved signal reception
• Automatic Gain Control (AGC) for optimal signal strength adjustment
• Integrated low-noise amplifier (LNA) for enhanced weak signal reception
• Programmable channel selection and tuning capabilities
• Support for various modulation schemes, including QAM, VSB, and COFDM

Advantages and Disadvantages

Advantages

• Excellent performance in receiving high-definition television signals
• Integration of tuner and demodulator functions simplifies circuit design
• Compact size allows for space-efficient integration into electronic devices
• Low power consumption contributes to energy efficiency

Disadvantages

• Limited frequency range compared to some other ICs in the market
• Requires external crystal oscillator for clock generation

Working Principles

The TDA18211HD/C2,551 operates based on the principle of converting RF signals received from an antenna into intermediate frequency (IF) signals. These IF signals are then demodulated and processed to extract the digital television information, which can be further decoded and displayed on an HDTV screen.

Detailed Application Field Plans

The TDA18211HD/C2,551 is widely used in the following applications:

1. HDTV receivers
2. Set-top boxes
3. Digital video recorders (DVRs)
4. Media players with HDTV capabilities

Detailed and Complete Alternative Models

1. TDA18212HD/C2,552
2. TDA18213HD/C2,553
3. TDA18214HD/C2,554
4. TDA18215HD/C2,555

These alternative models offer similar functionality and characteristics to the TDA18211HD/C2,551, providing options for different design requirements and specifications.

In conclusion, the TDA18211HD/C2,551 is a highly capable integrated circuit designed for high-definition television applications. Its compact size, low power consumption, and excellent performance make it a popular choice for HDTV receivers and set-top boxes. With its wide range of functional features and compatibility with various modulation schemes, the TDA18211HD/C2,551 offers reliable signal reception and processing capabilities for enhanced viewing experiences.