NXP USA Inc.
Picha inaweza kuwa uwakilishi.
Angalia vipimo kwa maelezo ya bidhaa.
TDA18285HN/C1E

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.

Word count: 536 words

Orodhesha maswali na majibu 10 ya kawaida yanayohusiana na utumiaji wa TDA18285HN/C1E katika suluhu za kiufundi

  1. What is the TDA18285HN/C1E used for?

    • The TDA18285HN/C1E is a silicon tuner IC designed for digital and analog TV reception.

  2. What are the key features of the TDA18285HN/C1E?

    • The key features include low power consumption, high sensitivity, wide frequency range, and support for various TV standards.

  3. How do I interface with the TDA18285HN/C1E in my design?

    • The TDA18285HN/C1E can be interfaced using standard I2C communication protocol for control and configuration.

  4. What is the typical power supply voltage for the TDA18285HN/C1E?

    • The typical power supply voltage for the TDA18285HN/C1E is 3.3V.

  5. Does the TDA18285HN/C1E support digital TV standards such as DVB-T2 and ATSC?

    • Yes, the TDA18285HN/C1E supports various digital TV standards including DVB-T2, ATSC, and ISDB-T.

  6. Can the TDA18285HN/C1E be used for automotive applications?

    • Yes, the TDA18285HN/C1E is suitable for automotive applications due to its robust performance and low power consumption.

  7. What is the maximum frequency range supported by the TDA18285HN/C1E?

    • The TDA18285HN/C1E supports a wide frequency range from 44MHz to 1002MHz.

  8. Are there any specific layout considerations for using the TDA18285HN/C1E in a PCB design?

    • It is recommended to follow the layout guidelines provided in the datasheet to ensure optimal performance and minimize interference.

  9. Does the TDA18285HN/C1E require external components for operation?

    • Yes, the TDA18285HN/C1E requires external components such as an RF input matching network and crystal oscillator.

  10. Where can I find detailed technical documentation and application notes for the TDA18285HN/C1E?

    • Detailed technical documentation and application notes for the TDA18285HN/C1E can be found on the manufacturer's website or in the product datasheet.