TDA18286HN/C1Y

Product Overview

Category

TDA18286HN/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 TDA18286HN/C1Y offers excellent reception capabilities, ensuring reliable signal reception even in areas with weak signal strength.
• Low power consumption: This IC is designed to operate efficiently while consuming minimal power, making it suitable for energy-conscious applications.
• Compact package: The TDA18286HN/C1Y is housed in a small form factor package, allowing for easy integration into various electronic devices.
• Wide frequency range: It supports a wide frequency range, enabling reception of various digital TV standards.

Package and Quantity

The TDA18286HN/C1Y is typically packaged in a surface-mount package, such as a QFN (Quad Flat No-leads) package. The exact package dimensions and pin configuration are detailed below. It is commonly available in reels or trays containing multiple units.

Essence

The essence of the TDA18286HN/C1Y lies in its ability to receive and process digital TV signals, providing high-quality audio and video output to the connected display device.

Specifications

• Frequency range: 42 MHz to 1002 MHz
• Supply voltage: 3.3 V
• Current consumption: 80 mA (typical)
• RF input impedance: 75 ohms
• IF output impedance: 50 ohms
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The TDA18286HN/C1Y features a specific pin configuration that facilitates its integration into television receivers and set-top boxes. The pinout diagram and corresponding functions are as follows:

Pin 1: RF_IN Pin 2: GND Pin 3: VCC Pin 4: IF_OUT Pin 5: AGC Pin 6: SDA Pin 7: SCL Pin 8: XTAL Pin 9: XTAL Pin 10: GND

Functional Features

• Automatic Gain Control (AGC): The TDA18286HN/C1Y incorporates an AGC circuit that adjusts the gain of the received signal to maintain a consistent output level, compensating for variations in signal strength.
• I2C Interface: The IC supports an I2C interface (SDA and SCL pins) for easy control and configuration by the host device.
• Crystal Oscillator: The XTAL pins are used to connect an external crystal oscillator, ensuring accurate frequency synthesis and stability.

Advantages and Disadvantages

Advantages

• High sensitivity enables reliable reception in weak signal areas.
• Low power consumption makes it suitable for energy-efficient applications.
• Compact package allows for easy integration into various devices.
• Wide frequency range supports multiple digital TV standards.

Disadvantages

• Limited frequency range compared to some other ICs in the market.
• Requires an external crystal oscillator for frequency stability.

Working Principles

The TDA18286HN/C1Y operates based on the principle of RF signal reception and processing. It receives the incoming RF signal through the RFIN pin and amplifies it while maintaining a consistent output level using the AGC circuit. The amplified signal is then converted to an intermediate frequency (IF) signal, which is available at the IFOUT pin for further processing by downstream components.

Detailed Application Field Plans

The TDA18286HN/C1Y finds extensive application in the following fields: 1. Television receivers: It is commonly used in television sets to receive and process digital TV signals, ensuring high-quality audio and video output. 2. Set-top boxes: The IC is integrated into set-top boxes to enable digital TV signal reception and conversion for display on televisions or other connected devices.

Detailed and Complete Alternative Models

1. TDA18286HN/C1Z
2. TDA18286HN/C2Y
3. TDA18286HN/C2Z
4. TDA18286HN/D1Y
5. TDA18286HN/D1Z

These alternative models offer similar functionality and characteristics to the TDA18286HN/C1Y, providing options for different package types or minor variations in specifications.

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