TDA18221HN/C1Y

Product Overview

Category

TDA18221HN/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

• Integrated circuit designed for TV applications
• High sensitivity and low noise figure
• Supports multiple TV standards (e.g., DVB-T, DVB-C)
• Low power consumption
• Compact package size

Package

TDA18221HN/C1Y is available in a small outline package (SOP) with a pin count of 24.

Essence

The essence of TDA18221HN/C1Y lies in its ability to receive and process digital TV signals efficiently, providing high-quality video and audio output.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply voltage: 3.3V
• Operating temperature range: -40°C to +85°C
• RF input frequency range: 42MHz to 1002MHz
• IF output frequency range: 4MHz to 44MHz
• Gain control range: -10dB to +50dB
• Power consumption: <200mW

Detailed Pin Configuration

1. VCC
2. GND
3. AGC_OUT
4. AGC_IN
5. IF_OUT
6. IF_IN
7. XTAL_OUT
8. XTAL_IN
9. SDA
10. SCL
11. RESET
12. NC
13. NC
14. NC
15. NC
16. NC
17. NC
18. NC
19. NC
20. NC
21. NC
22. NC
23. NC
24. NC

Functional Features

• High sensitivity RF input stage
• Automatic Gain Control (AGC) for optimal signal reception
• Integrated IF filter and amplifier
• I2C interface for control and configuration
• Low power consumption mode for energy efficiency

Advantages and Disadvantages

Advantages

• High sensitivity ensures reliable signal reception even in weak signal areas
• Wide frequency range supports various TV standards
• Compact package size allows for space-saving designs
• Low power consumption reduces energy usage and heat generation

Disadvantages

• Limited pin configuration options may restrict certain design possibilities
• Lack of built-in error correction features may require additional components for error-free signal processing

Working Principles

TDA18221HN/C1Y operates based on the superheterodyne principle, where the incoming RF signal is mixed with a local oscillator frequency to produce an intermediate frequency (IF) signal. This IF signal is then filtered, amplified, and further processed to extract the desired audio and video information.

Detailed Application Field Plans

TDA18221HN/C1Y finds extensive application in the following fields:

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

Detailed and Complete Alternative Models

1. TDA18221HN/C1Z
2. TDA18221HN/C2Y
3. TDA18221HN/C2Z
4. TDA18221HN/C3Y
5. TDA18221HN/C3Z

These alternative models offer similar functionality and characteristics, providing flexibility in design and compatibility with different system requirements.

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