NXP USA Inc.
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TDA18273HN/C1,518
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TDA18273HN/C1,518

Product Overview

Category

The TDA18273HN/C1,518 belongs to the category of integrated circuits (ICs) specifically designed for television and radio applications.

Use

This product is primarily used in television receivers and set-top boxes to receive and process digital TV signals.

Characteristics

  • The TDA18273HN/C1,518 is a highly integrated RF tuner and demodulator IC.
  • It supports various digital TV standards, including DVB-T/T2, ISDB-T, and DTMB.
  • The IC operates in a wide frequency range, allowing reception of both VHF and UHF signals.
  • It offers excellent sensitivity and selectivity, ensuring reliable signal reception even in challenging environments.
  • The TDA18273HN/C1,518 incorporates advanced digital signal processing algorithms for enhanced performance.

Package

The TDA18273HN/C1,518 is available in a compact and industry-standard package, such as a QFN (Quad Flat No-leads) or SOP (Small Outline Package).

Essence

The essence of the TDA18273HN/C1,518 lies in its ability to receive and demodulate digital TV signals with high sensitivity and accuracy, providing a seamless viewing experience for end-users.

Packaging/Quantity

The TDA18273HN/C1,518 is typically supplied in tape-and-reel packaging, suitable for automated assembly processes. The exact quantity per reel may vary depending on the manufacturer's specifications.

Specifications

  • Frequency Range: 48 MHz to 1002 MHz
  • Supported TV Standards: DVB-T/T2, ISDB-T, DTMB
  • Supply Voltage: 3.3 V
  • Power Consumption: < 500 mW
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: QFN-32

Detailed Pin Configuration

The TDA18273HN/C1,518 features a 32-pin QFN package with the following pin configuration:

  1. VCC
  2. GND
  3. RF_IN
  4. AGC_OUT
  5. IF_OUT
  6. IF_IN
  7. XTAL
  8. XTAL_OUT
  9. XTAL_IN
  10. SDA
  11. SCL
  12. RESET
  13. GPIO1
  14. GPIO2
  15. GPIO3
  16. GPIO4
  17. GPIO5
  18. GPIO6
  19. GPIO7
  20. GPIO8
  21. GPIO9
  22. GPIO10
  23. GPIO11
  24. GPIO12
  25. GPIO13
  26. GPIO14
  27. GPIO15
  28. GPIO16
  29. GPIO17
  30. GPIO18
  31. GPIO19
  32. GPIO20

Functional Features

  • High sensitivity and selectivity for reliable signal reception.
  • Integrated RF tuner and demodulator for simplified design and reduced component count.
  • Advanced digital signal processing algorithms for improved performance.
  • Low power consumption for energy-efficient operation.
  • Wide operating temperature range for versatile applications.

Advantages and Disadvantages

Advantages

  • Excellent sensitivity and selectivity ensure reliable signal reception.
  • Supports multiple digital TV standards, providing compatibility with various broadcasting systems.
  • Compact package size allows for space-saving designs.
  • Integrated functionality simplifies circuit design and reduces costs.

Disadvantages

  • Limited frequency range may not cover all possible TV channels in certain regions.
  • Requires external components for complete TV receiver functionality.

Working Principles

The TDA18273HN/C1,518 operates by receiving RF signals through the RFIN pin. The integrated RF tuner then selects the desired frequency band and amplifies the signal. The demodulator section extracts the digital TV signal from the amplified RF signal. Advanced digital signal processing algorithms are employed to enhance the received signal quality and minimize noise and interference. The demodulated signal is then provided at the IFOUT pin for further processing by downstream circuitry.

Detailed Application Field Plans

The TDA18273HN/C1,518 finds extensive application in the following fields:

  1. Television receivers
  2. Set-top boxes
  3. Digital TV tuners
  4. Media players with TV reception capabilities

Detailed and Complete Alternative Models

  1. TDA18272HN/C1,518: Similar to the TDA18273HN/C1,518 but with a different pin configuration.
  2. TDA18271HN/C1,518: A lower-cost variant with reduced functionality.
  3. TDA18270HN/C1,518: An entry-level model with basic features for cost-sensitive applications.

These alternative models offer varying levels of performance and functionality to cater to different application requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de TDA18273HN/C1,518 en soluciones técnicas

  1. What is the TDA18273HN/C1,518 used for?

    • The TDA18273HN/C1,518 is a silicon tuner IC designed for digital and analog TV reception.

  2. What are the key features of TDA18273HN/C1,518?

    • It offers high sensitivity, low power consumption, and supports various TV standards.

  3. How do I interface with TDA18273HN/C1,518 in my design?

    • You can interface with it using standard I2C communication protocol.

  4. What are the recommended operating conditions for TDA18273HN/C1,518?

    • It operates within a specified voltage range and temperature limits as per the datasheet.

  5. Can TDA18273HN/C1,518 be used for both digital and analog TV signals?

    • Yes, it is designed to handle both digital and analog TV signals.

  6. What kind of applications is TDA18273HN/C1,518 suitable for?

    • It is suitable for use in TVs, set-top boxes, and other similar applications requiring TV signal reception.

  7. Does TDA18273HN/C1,518 require any external components for operation?

    • It may require external components such as an RF input filter and crystal oscillator for proper operation.

  8. What are the typical power consumption figures for TDA18273HN/C1,518?

    • The typical power consumption is provided in the datasheet under different operating conditions.

  9. Are there any known issues or limitations with TDA18273HN/C1,518?

    • Refer to the datasheet and application notes for any known issues or limitations and their workarounds.

  10. Where can I find detailed technical information and application examples for TDA18273HN/C1,518?

    • Detailed technical information and application examples can be found in the product datasheet and application notes provided by the manufacturer.