TDA18280HN/C1K

Product Overview

Category

TDA18280HN/C1K belongs to the category of integrated circuits (ICs) specifically designed for television applications.

Use

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

Characteristics

• High sensitivity: The TDA18280HN/C1K offers excellent reception capabilities, ensuring clear and reliable signal reception.
• Low power consumption: This IC is designed to operate efficiently with minimal power consumption, making it suitable for energy-efficient devices.
• Compact package: The TDA18280HN/C1K comes in a small form factor, allowing for easy integration into various electronic devices.
• Wide frequency range: It supports a wide range of frequencies, enabling reception of different TV standards.

Package and Quantity

The TDA18280HN/C1K is typically packaged in a compact surface-mount package, such as a QFN (Quad Flat No-leads) package. It is commonly available in reels containing a specified quantity of ICs, typically 2500 units per reel.

Specifications

• Frequency range: 42 MHz to 1002 MHz
• Supply voltage: 3.3 V
• Current consumption: 50 mA (typical)
• RF input impedance: 75 ohms
• Output format: Digital (compatible with various TV standards)

Pin Configuration

The TDA18280HN/C1K features a detailed pin configuration as follows:

1. RF_IN: RF input pin
2. AGC_OUT: Automatic Gain Control output pin
3. IF_OUT: Intermediate Frequency output pin
4. SDA: Serial Data input/output pin
5. SCL: Serial Clock input pin
6. GND: Ground pin
7. DVDD: Digital Power Supply pin
8. AVDD: Analog Power Supply pin

Functional Features

• Automatic Gain Control (AGC): The TDA18280HN/C1K incorporates AGC functionality to maintain a consistent signal level, compensating for variations in input signal strength.
• Integrated filters: It includes built-in filters to reject unwanted signals and interference, ensuring high-quality reception.
• Digital output: The IC provides a digital output format compatible with various TV standards, simplifying integration into digital TV systems.

Advantages and Disadvantages

Advantages: - High sensitivity ensures reliable signal reception. - Low power consumption for energy-efficient devices. - Compact package allows for easy integration. - Wide frequency range supports different TV standards.

Disadvantages: - Limited compatibility with specific TV standards. - Requires additional external components for complete TV receiver functionality.

Working Principles

The TDA18280HN/C1K operates based on the principles of RF signal amplification, filtering, and demodulation. It receives the RF signal from the antenna, amplifies it, filters out unwanted frequencies, and demodulates it to obtain the desired digital TV signal.

Application Field Plans

The TDA18280HN/C1K is widely used in various television applications, including: - Television receivers - Set-top boxes - Digital video recorders (DVRs) - Smart TVs

Alternative Models

For those seeking alternative options, the following models offer similar functionality to the TDA18280HN/C1K: - TDA18272HN/C1K - TDA18250HN/C1K - TDA18218HN/C1K

These alternative models provide comparable features and can be considered as suitable replacements for the TDA18280HN/C1K.

In conclusion, the TDA18280HN/C1K is an integrated circuit designed for television applications, offering high sensitivity, low power consumption, and a compact package. Its wide frequency range and digital output make it suitable for various TV standards. While it has certain limitations, it serves as a crucial component in television receivers, set-top boxes, and other related devices.