TDA18280HN/C1Y

Product Overview

Category

TDA18280HN/C1Y belongs to the category of integrated circuits (ICs) specifically designed for television and radio reception.

Use

This product is primarily used in digital television applications, providing high-quality reception and decoding capabilities.

Characteristics

• High sensitivity: TDA18280HN/C1Y offers excellent sensitivity, ensuring reliable reception even in areas with weak signal strength.
• Low power consumption: The IC is designed to operate efficiently, consuming minimal power during operation.
• Compact package: TDA18280HN/C1Y comes in a small form factor, making it suitable for space-constrained applications.
• Wide frequency range: This product supports a wide frequency range, allowing it to receive various television and radio signals.
• Integrated features: The IC incorporates multiple functions such as amplification, filtering, and demodulation, simplifying the overall design.

Package and Quantity

TDA18280HN/C1Y is typically packaged in a compact surface-mount package, ensuring ease of integration into electronic devices. It is commonly available in reels containing a specified quantity, typically 2500 units per reel.

Specifications

• Frequency range: 48 MHz - 1002 MHz
• Supply voltage: 3.3 V
• Current consumption: 50 mA (typical)
• Operating temperature range: -40°C to +85°C
• Package dimensions: 5 mm x 5 mm

Detailed Pin Configuration

The TDA18280HN/C1Y IC has the following pin configuration:

1. RF_IN: Input pin for the radio frequency signal.
2. AGC_OUT: Output pin for the Automatic Gain Control (AGC) signal.
3. IF_OUT: Output pin for the Intermediate Frequency (IF) signal.
4. SDA: Serial Data pin for communication with external devices.
5. SCL: Serial Clock pin for communication with external devices.
6. VDD: Power supply pin (3.3 V).
7. GND: Ground pin.

Functional Features

• High sensitivity RF input stage for improved signal reception.
• Integrated AGC circuitry to maintain a consistent output level.
• Low noise figure for enhanced signal quality.
• Built-in digital filters for effective interference rejection.
• Support for various modulation schemes, including QAM and OFDM.
• Programmable settings for customization and optimization.

Advantages and Disadvantages

Advantages

• Excellent sensitivity ensures reliable reception in weak signal areas.
• Low power consumption contributes to energy-efficient operation.
• Compact package allows for easy integration into electronic devices.
• Wide frequency range enables reception of diverse signals.
• Integrated features simplify overall design and reduce component count.

Disadvantages

• Limited to digital television and radio reception applications.
• Requires additional external components for complete system implementation.
• May require specialized knowledge for proper configuration and optimization.

Working Principles

TDA18280HN/C1Y operates based on the principle of receiving and processing radio frequency signals. The RFIN pin receives the incoming signal, which is then amplified and filtered to improve its quality. The AGC circuitry ensures that the output level remains constant despite variations in input signal strength. The demodulated Intermediate Frequency (IF) signal is made available at the IFOUT pin for further processing or decoding.

Detailed Application Field Plans

TDA18280HN/C1Y finds extensive use in various digital television applications, including:

1. Set-top boxes: The IC is commonly employed in set-top boxes to receive and decode digital television signals.
2. Digital TVs: TDA18280HN/C1Y is integrated into modern televisions to enable high-quality reception of digital broadcasts.
3. Digital video recorders (DVRs): The IC is utilized in DVRs to capture and store digital television content.
4. PC TV tuners: TDA18280HN/C1Y is incorporated into TV tuner cards for PCs, allowing users to watch and record television programs on their computers.

Detailed and Complete Alternative Models

1. TDA18272HN/C1Y: Similar to TDA18280HN/C1Y, this model offers comparable features and performance but operates at a different frequency range (174 MHz - 1002 MHz).
2. TDA18271HN/C1Y: This alternative model shares many characteristics with TDA18280HN/C1Y but is optimized for lower power consumption.
3. TDA18283HN/C1Y: Designed for applications requiring additional features such as support for multiple antenna inputs and advanced signal processing capabilities.

In conclusion, TDA18280HN/C1Y is an integrated circuit specifically designed for digital television reception. With its high sensitivity, low power consumption, and compact package, it offers excellent performance and ease of integration. While primarily used in digital television applications, it finds application in various devices such as set-top boxes,