TDA18284HN/C1Y

Product Overview

Category

TDA18284HN/C1Y 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 TDA18284HN/C1Y offers excellent reception capabilities, ensuring clear and high-quality TV 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 TDA18284HN/C1Y comes in a small form factor, allowing for easy integration into various TV receiver designs.
• Wide frequency range: It supports a broad frequency range, enabling reception of different digital TV standards.

Package

The TDA18284HN/C1Y is typically packaged in a compact and robust surface-mount package, ensuring ease of handling during assembly.

Essence

The essence of the TDA18284HN/C1Y lies in its ability to receive and process digital TV signals, providing a crucial component for television reception.

Packaging/Quantity

This IC is commonly supplied in reels or trays, with quantities varying depending on customer requirements. Typical packaging options include tape and reel packaging, containing several hundred units per reel.

Specifications

• Frequency range: 42 MHz to 1002 MHz
• Supply voltage: 3.3 V
• Current consumption: 60 mA (typical)
• RF input impedance: 75 ohms
• Output format: I2C bus interface
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The TDA18284HN/C1Y features a pin configuration as follows:

1. RF_IN: RF input pin
2. AGC_OUT: Automatic Gain Control output pin
3. VCC: Supply voltage pin
4. GND: Ground pin
5. SDA: I2C bus data pin
6. SCL: I2C bus clock pin

Functional Features

• High sensitivity RF input stage for optimal signal reception
• Integrated Automatic Gain Control (AGC) circuitry to maintain consistent signal strength
• I2C bus interface for easy control and configuration
• Low noise figure for improved signal quality
• Built-in protection features to safeguard against electrostatic discharge (ESD)

Advantages and Disadvantages

Advantages

• Excellent reception capabilities, ensuring clear and high-quality TV signal reception
• Low power consumption, making it suitable for energy-efficient devices
• Compact form factor for easy integration into various TV receiver designs
• Wide frequency range, enabling reception of different digital TV standards

Disadvantages

• Limited compatibility with older analog TV systems
• Requires external components for complete TV receiver functionality

Working Principles

The TDA18284HN/C1Y operates based on the superheterodyne principle. It receives RF signals from the antenna through the RF_IN pin and amplifies them using an internal low-noise amplifier. The amplified signal is then mixed with a local oscillator signal to convert it to an intermediate frequency (IF). The IF signal is further processed and demodulated to extract the digital TV information.

Detailed Application Field Plans

The TDA18284HN/C1Y is widely used in various television applications, including:

1. Digital TV receivers
2. Set-top boxes
3. Digital video recorders (DVRs)
4. Smart TVs
5. Cable and satellite TV receivers

Detailed and Complete Alternative Models

1. TDA18272HN/C1Y
2. TDA18250HN/C1Y
3. TDA18218HN/C1Y
4. TDA18211HN/C1Y
5. TDA18204HN/C1Y

These alternative models offer similar functionality and can be used as substitutes for the TDA18284HN/C1Y in various TV receiver applications.

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