SI2178-A20-GMR

Product Overview

Category

SI2178-A20-GMR belongs to the category of integrated circuits (ICs).

Use

It is primarily used for television and set-top box applications.

Characteristics

• High-performance RF tuner and digital demodulator
• Supports worldwide terrestrial and cable TV standards
• Low power consumption
• Small form factor

Package

The SI2178-A20-GMR comes in a compact surface-mount package.

Essence

The essence of SI2178-A20-GMR lies in its ability to receive and process television signals, providing high-quality audio and video output.

Packaging/Quantity

The product is typically packaged in reels and available in large quantities.

Specifications

• RF Frequency Range: 42 MHz to 1002 MHz
• Supported TV Standards: DVB-T/T2, ISDB-T, ATSC, QAM, NTSC, PAL
• Supply Voltage: 3.3 V
• Power Consumption: < 500 mW
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. RF_IN: RF input pin
2. AGC_OUT: Automatic Gain Control output pin
3. IF_OUT: Intermediate Frequency output pin
4. SDA: Serial Data Input/Output pin
5. SCL: Serial Clock Input pin
6. GND: Ground pin
7. VDD: Power supply pin

Functional Features

• High sensitivity and selectivity for improved signal reception
• Integrated channel filtering and demodulation capabilities
• Automatic Gain Control (AGC) for optimal signal strength
• I2C interface for easy control and configuration

Advantages

• Wide frequency range supports various TV standards
• Low power consumption for energy-efficient operation
• Compact size allows for integration into space-constrained devices
• High-performance RF tuner ensures excellent signal quality

Disadvantages

• Limited to television and set-top box applications
• Requires external components for complete system integration

Working Principles

The SI2178-A20-GMR operates by receiving RF signals through the RFIN pin. The integrated RF tuner filters and amplifies the incoming signal, which is then demodulated by the digital demodulator. The demodulated signal is further processed to extract audio and video information, which is then output through the IFOUT pin.

Detailed Application Field Plans

The SI2178-A20-GMR is widely used in the following applications:

1. Television sets
2. Set-top boxes
3. Digital video recorders (DVRs)
4. Media players

Detailed and Complete Alternative Models

1. SI2178-A10-GMR: Similar to SI2178-A20-GMR but with a lower frequency range.
2. SI2178-A30-GMR: Similar to SI2178-A20-GMR but with a higher frequency range.
3. SI2178-A40-GMR: Similar to SI2178-A20-GMR but with additional features for advanced TV standards.

(Note: This list is not exhaustive and there may be other alternative models available in the market.)

In conclusion, the SI2178-A20-GMR is a high-performance integrated circuit designed for television and set-top box applications. Its compact size, low power consumption, and wide compatibility make it an ideal choice for manufacturers in the industry.