TDA9881TS/V2,518

Product Overview

Category

The TDA9881TS/V2,518 belongs to the category of integrated circuits (ICs) used in electronic devices.

Use

This IC is primarily used in television receivers and other audiovisual equipment for signal processing and tuning purposes.

Characteristics

• Package: TSSOP-24
• Essence: Integrated circuit for TV signal processing
• Packaging/Quantity: Available in tape and reel packaging with a quantity of 2500 units per reel

Specifications

The TDA9881TS/V2,518 has the following specifications:

• Supply Voltage: 3.3 V
• Operating Temperature Range: -40°C to +85°C
• Power Consumption: 150 mW
• Frequency Range: 5 MHz to 36 MHz
• Video IF Amplifier Gain Control Range: -6 dB to +6 dB
• Audio IF Amplifier Gain Control Range: -20 dB to +20 dB
• FM Sound Carrier Frequency Range: 4.5 MHz to 6.5 MHz
• AM Sound Carrier Frequency Range: 45 kHz to 65 kHz

Pin Configuration

The detailed pin configuration of the TDA9881TS/V2,518 is as follows:

1. AGC_OUT
2. AGC_IN
3. SIF_OUT
4. SIF_IN
5. SIF_GND
6. SIF_VCC
7. SIF_BYPASS
8. SIF_REF
9. SIF_DET
10. SIF_IF
11. SIF_RF
12. SIF_AF
13. SIF_AGC
14. SIF_MUTE
15. SIF_FM
16. SIF_AM
17. SIF_VCO
18. SIF_PLL
19. SIF_CLK
20. SIF_DATA
21. SIF_RESET
22. SIF_VREF
23. SIF_VCC
24. SIF_GND

Functional Features

The TDA9881TS/V2,518 offers the following functional features:

• Automatic Gain Control (AGC) for signal amplification control
• Sound Intermediate Frequency (SIF) processing for audio signal handling
• FM and AM sound carrier frequency range selection
• Video and audio IF amplifier gain control
• SIF bypass mode for direct signal routing
• Mute function for audio signal suppression
• PLL-based frequency synthesis for accurate tuning

Advantages and Disadvantages

Advantages

• Compact size and integration of multiple functions in a single IC
• Wide operating temperature range for versatile applications
• Low power consumption for energy efficiency
• Precise frequency synthesis for accurate tuning

Disadvantages

• Limited frequency range compared to some other ICs in the market
• Requires additional external components for complete signal processing

Working Principles

The TDA9881TS/V2,518 operates on the principle of integrated signal processing. It receives input signals from the antenna or cable source and performs various operations such as amplification, filtering, and frequency synthesis to extract video and audio information. The AGC circuit ensures optimal signal strength, while the SIF processing handles audio signals. The IC also incorporates a PLL-based frequency synthesis mechanism for precise tuning.

Detailed Application Field Plans

The TDA9881TS/V2,518 finds extensive application in television receivers and audiovisual equipment. It is commonly used in:

1. Analog and digital TV sets
2. Set-top boxes
3. DVD players with TV output
4. Video game consoles with TV connectivity
5. Multimedia projectors with TV reception capabilities

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the TDA9881TS/V2,518 include:

1. TDA9889T/V3,557
2. TDA9885TS/V2,518
3. TDA9886TS/V2,518
4. TDA9887TS/V2,518
5. TDA9888TS/V2,518

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

In conclusion, the TDA9881TS/V2,518 is an integrated circuit designed for TV signal processing in various audiovisual devices. Its compact size, wide operating temperature range, and functional features make it a suitable choice for television receivers and related equipment. However, it is important to consider alternative models based on specific needs and compatibility.