TDA18285HN/C1E

Product Overview

Category

TDA18285HN/C1E 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

• Integrated circuit
• Designed for television applications
• Supports digital TV signal reception and processing
• High-performance capabilities
• Compact size

Package

TDA18285HN/C1E is available in a small outline package (SOP) or a quad flat no-leads package (QFN), depending on the manufacturer's specifications.

Essence

The essence of TDA18285HN/C1E lies in its ability to receive and process digital TV signals, enabling high-quality television viewing experiences.

Packaging/Quantity

The product is typically packaged in reels or trays, with quantities varying based on customer requirements and manufacturer specifications.

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
• RF input sensitivity: -80 dBm
• RF output level: 0 dBm

Detailed Pin Configuration

The pin configuration of TDA18285HN/C1E is as follows:

1. RF_IN: RF input pin
2. AGC_OUT: Automatic Gain Control output pin
3. IF_OUT: Intermediate Frequency output pin
4. GND: Ground pin
5. VCC: Supply voltage pin
6. SDA: Serial Data pin
7. SCL: Serial Clock pin
8. RESET: Reset pin
9. XTAL: Crystal oscillator input pin
10. XTAL_OUT: Crystal oscillator output pin

Functional Features

• High sensitivity for improved signal reception
• Low noise figure for enhanced signal quality
• Integrated automatic gain control (AGC) for signal amplification
• Built-in intermediate frequency (IF) output for further processing
• Serial interface for easy integration with microcontrollers or other ICs
• Reset function for system initialization and control

Advantages and Disadvantages

Advantages

• High-performance capabilities ensure excellent signal reception and processing.
• Compact size allows for easy integration into various television devices.
• Low power consumption contributes to energy efficiency.
• Serial interface simplifies communication with other components.

Disadvantages

• Limited frequency range may not support certain specialized applications.
• Requires external crystal oscillator for proper operation.
• Sensitivity to electromagnetic interference (EMI) may affect performance in noisy environments.

Working Principles

TDA18285HN/C1E operates based on the superheterodyne principle. It receives RF signals through the RFIN pin, amplifies them using the built-in AGC, and converts them to an intermediate frequency (IF) signal. The IFOUT pin provides the processed signal for further demodulation and decoding stages in the television receiver or set-top box.

Detailed Application Field Plans

TDA18285HN/C1E is widely used in various television-related applications, including:

1. Digital TV receivers
2. Set-top boxes
3. Cable TV systems
4. Satellite TV systems
5. Terrestrial TV systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to TDA18285HN/C1E include:

1. TDA18272HN/C1E
2. TDA18250HN/C1E
3. TDA18218HN/C1E
4. TDA18215HN/C1E
5. TDA18212HN/C1E

These alternative models can be considered based on specific requirements and compatibility with the target application.

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