MC8640DTVU1067NC

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Digital Television Tuner
• Characteristics:
  • High-performance tuner for digital TV reception
  • Supports various digital TV standards
  • Compact and efficient design
• Package: Surface Mount Technology (SMT)
• Essence: Enables high-quality digital TV reception
• Packaging/Quantity: Typically sold in reels of 1000 units

Specifications

• Frequency Range: 48MHz to 862MHz
• Input Impedance: 75 Ohms
• RF Sensitivity: -80dBm
• Supply Voltage: 3.3V
• Power Consumption: 200mW
• Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

1. VCC
2. GND
3. RF_IN
4. IF_OUT
5. SDA
6. SCL
7. AGC_OUT
8. RESET
9. XTAL_IN
10. XTAL_OUT

Functional Features

• Wide frequency range for compatibility with different TV standards
• Low power consumption for energy efficiency
• High sensitivity for improved signal reception
• Automatic Gain Control (AGC) for optimal signal strength
• I2C interface for easy integration with microcontrollers

Advantages

• Excellent performance in digital TV reception
• Compact size allows for space-saving designs
• Low power consumption reduces energy costs
• Easy integration with existing systems using the I2C interface

Disadvantages

• Limited frequency range may not support all TV standards
• Requires external components for complete functionality
• Sensitive to electromagnetic interference in certain environments

Working Principles

The MC8640DTVU1067NC is a digital television tuner IC that operates by receiving RF signals from an antenna through the RFIN pin. The tuner then converts the RF signals to intermediate frequency (IF) signals, which are output through the IFOUT pin. The AGC_OUT pin provides a feedback signal to control the gain of the tuner and maintain optimal signal strength. The IC communicates with the microcontroller using the I2C interface, allowing for control and configuration of various parameters.

Detailed Application Field Plans

The MC8640DTVU1067NC is primarily used in digital television receivers, set-top boxes, and other devices that require high-quality TV reception. It can be integrated into various consumer electronics products, such as televisions, media players, and home theater systems. Additionally, it finds applications in professional broadcasting equipment and digital signage systems.

Detailed and Complete Alternative Models

1. MC8640DTVP1067NC: Similar to MC8640DTVU1067NC but with additional video processing capabilities.
2. MC8640DTVA1067NC: Variant with an integrated audio decoder for complete multimedia functionality.
3. MC8640DTVS1067NC: Specialized version optimized for satellite TV reception.

Note: The alternative models listed above are just examples and not an exhaustive list.

This entry provides an overview of the MC8640DTVU1067NC digital television tuner IC, including its basic information, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.