TDA18280HN/C1E

Product Overview

Category

The TDA18280HN/C1E belongs to the category of integrated circuits (ICs) used in electronic devices.

Use

This product is primarily used for signal processing and tuning in television and set-top box applications.

Characteristics

• Integrated circuit
• Signal processing and tuning capabilities
• Designed for television and set-top box applications

Package

The TDA18280HN/C1E is available in a compact and durable package, ensuring easy integration into electronic devices.

Essence

The essence of the TDA18280HN/C1E lies in its ability to process and tune signals, enabling high-quality audio and video output in television and set-top box devices.

Packaging/Quantity

The TDA18280HN/C1E is typically packaged individually and is available in various quantities depending on the manufacturer's specifications.

Specifications

The TDA18280HN/C1E offers the following 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
• Package type: QFN32

Detailed Pin Configuration

The TDA18280HN/C1E features a detailed pin configuration as follows:

1. RF_IN
2. AGC_OUT
3. AGC_IN
4. IF_OUT
5. IF_IN
6. XTAL_OUT
7. XTAL_IN
8. GND
9. VDD
10. SDA
11. SCL
12. RESET
13. GPIO0
14. GPIO1
15. GPIO2
16. GPIO3
17. GPIO4
18. GPIO5
19. GPIO6
20. GPIO7
21. GPIO8
22. GPIO9
23. GPIO10
24. GPIO11
25. GPIO12
26. GPIO13
27. GPIO14
28. GPIO15
29. GPIO16
30. GPIO17
31. GPIO18
32. GPIO19

Functional Features

The TDA18280HN/C1E offers the following functional features:

• High sensitivity and selectivity for improved signal reception
• Automatic gain control (AGC) for maintaining optimal signal strength
• Integrated crystal oscillator for stable frequency generation
• Multiple general-purpose input/output (GPIO) pins for flexible device integration
• I2C interface for easy communication with microcontrollers

Advantages and Disadvantages

Advantages

• High sensitivity and selectivity ensure excellent signal reception quality.
• AGC functionality maintains consistent signal strength, reducing manual adjustments.
• Integrated crystal oscillator provides stable frequency generation.
• GPIO pins offer flexibility in device integration.

Disadvantages

• Limited frequency range of 42 MHz to 1002 MHz may not cover all broadcasting standards.
• Requires external microcontroller for full functionality.

Working Principles

The TDA18280HN/C1E operates by receiving RF signals through the RFIN pin. The integrated circuit then processes and tunes these signals using various internal components, such as amplifiers and filters. The AGC functionality ensures that the output signal remains at an optimal level, regardless of input variations. The processed signal is then available at the IFOUT pin for further processing or transmission.

Detailed Application Field Plans

The TDA18280HN/C1E finds extensive application in the following fields:

1. Television receivers
2. Set-top boxes
3. Digital video recorders (DVRs)
4. Cable and satellite television equipment

Detailed and Complete Alternative Models

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

These alternative models offer similar functionality and can be considered as alternatives to the TDA18280HN/C1E based on specific requirements.

In conclusion, the TDA18280HN/C1E is an integrated circuit designed for signal processing and tuning in television and set-top box applications. With its high sensitivity, AGC functionality, and stable frequency generation, it offers excellent performance in receiving and processing RF signals. While it has certain limitations, such as a limited frequency range, it finds widespread use in various electronic devices within the broadcasting industry.