SI2167-A10-FM

Product Overview

Category

SI2167-A10-FM belongs to the category of integrated circuits (ICs) specifically designed for television and radio broadcasting applications.

Use

The SI2167-A10-FM is primarily used in digital TV and radio receivers, providing high-performance signal reception and processing capabilities.

Characteristics

• High sensitivity: The SI2167-A10-FM is capable of receiving weak signals, ensuring reliable reception even in areas with poor signal strength.
• Wide frequency range: It supports a wide range of frequencies, allowing it to receive various TV and radio channels.
• Low power consumption: The IC is designed to operate efficiently with minimal power consumption, making it suitable for portable devices.
• Compact package: The SI2167-A10-FM is available in a small form factor package, enabling easy integration into space-constrained designs.

Package and Quantity

The SI2167-A10-FM is typically packaged in a surface-mount package, such as a QFN (Quad Flat No-leads) package. The exact package type and quantity may vary depending on the manufacturer and supplier.

Specifications

• Frequency range: 47 MHz to 862 MHz (TV), 64 MHz to 108 MHz (FM radio)
• Supply voltage: 3.3 V
• Operating temperature range: -40°C to +85°C
• RF input impedance: 75 ohms
• Output interface: I2C (Inter-Integrated Circuit)

Pin Configuration

The SI2167-A10-FM features a specific pin configuration that facilitates its integration into electronic circuits. The following table provides a detailed pin description:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VDD | Power supply voltage input | | 2 | GND | Ground reference | | 3 | RFIN | RF input for TV and radio signals | | 4 | XTAL | Crystal oscillator input | | 5 | SDA | I2C data line | | 6 | SCL | I2C clock line | | 7 | AGCOUT | Automatic Gain Control output | | 8 | IF_OUT | Intermediate Frequency output | | 9 | VDDA | Analog power supply voltage input | | 10 | GND | Ground reference |

Functional Features

The SI2167-A10-FM offers several functional features that enhance its performance in TV and radio applications:

1. Automatic Gain Control (AGC): The IC automatically adjusts the gain of the received signal to maintain a consistent output level, compensating for variations in signal strength.
2. Channel Filtering: It incorporates advanced filtering techniques to reject unwanted interference and noise, ensuring clean and clear reception.
3. Digital Demodulation: The SI2167-A10-FM includes a digital demodulator that converts the received analog signal into a digital format for further processing.
4. Error Correction: It employs error correction algorithms to improve the quality of the received signal, reducing errors and artifacts.

Advantages and Disadvantages

Advantages

• High sensitivity enables reliable reception even in weak signal areas.
• Wide frequency range allows for the reception of various TV and radio channels.
• Low power consumption makes it suitable for portable devices.
• Compact package facilitates integration into space-constrained designs.

Disadvantages

• Limited to TV and FM radio applications, not suitable for other frequency bands.
• Requires an external crystal oscillator for proper operation.

Working Principles

The SI2167-A10-FM operates based on the principle of receiving and processing electromagnetic signals. When connected to an antenna, it captures TV and radio signals in the specified frequency range. The IC then amplifies, filters, and demodulates the received signal to extract the desired audio and video information. The processed signal is then made available at the output interface for further processing or direct usage.

Application Field Plans

The SI2167-A10-FM finds extensive application in various fields, including:

1. Television Receivers: It is widely used in digital TV receivers, enabling high-quality reception of broadcasted channels.
2. Radio Receivers: The IC is employed in FM radio receivers, providing reliable signal reception and audio output.
3. Set-Top Boxes: It is utilized in set-top boxes to receive and process TV signals, enabling access to digital channels and interactive services.
4. Car Entertainment Systems: The SI2167-A10-FM is integrated into car entertainment systems, allowing passengers to enjoy digital TV and radio while on the move.

Alternative Models

Several alternative models with similar functionality are available in the market. Some notable alternatives to the SI2167-A10-FM include:

1. Model XYZ123: This IC offers