TDA18260HN/C1,557

Product Overview

Category

The TDA18260HN/C1,557 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

• The TDA18260HN/C1,557 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 TDA18260HN/C1,557 incorporates advanced digital signal processing algorithms for enhanced performance.

Package

The TDA18260HN/C1,557 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 TDA18260HN/C1,557 lies in its ability to provide high-quality reception and demodulation of digital TV signals, enabling seamless viewing experiences for end-users.

Packaging/Quantity

The TDA18260HN/C1,557 is typically sold in reels or trays, with each reel or tray containing a specific quantity of ICs. The exact packaging and quantity 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: 3.3V
• Power Consumption: <500mW
• Operating Temperature Range: -40°C to +85°C
• Package Type: QFN-32, SOP-24

Detailed Pin Configuration

The TDA18260HN/C1,557 features a specific pin configuration that facilitates its integration into various TV receiver designs. The detailed pin configuration is as follows:

1. RF_IN: RF input pin for connecting to the antenna or RF signal source.
2. AGC_OUT: Automatic Gain Control output pin for controlling the RF amplifier gain.
3. IF_OUT: Intermediate Frequency output pin for connecting to the demodulator or further processing stages.
4. VCC: Power supply pin (+3.3V).
5. GND: Ground pin.
6. XTAL_IN: Crystal oscillator input pin for providing the reference frequency.
7. XTAL_OUT: Crystal oscillator output pin.
8. SDA: Serial Data pin for I2C communication.
9. SCL: Serial Clock pin for I2C communication.
10. ...

(Note: The complete pin configuration with all pins and their functions can be found in the product datasheet.)

Functional Features

• High sensitivity and selectivity for reliable reception of digital TV signals.
• Integrated RF tuner and demodulator for simplified system design.
• 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 reception quality even in challenging environments.
• Supports multiple digital TV standards, ensuring compatibility with different broadcasting systems.
• Compact package size allows for space-saving designs.
• Integration of RF tuner and demodulator reduces component count and simplifies circuitry.
• Low power consumption contributes to energy efficiency.

Disadvantages

• Limited frequency range compared to some other RF tuner ICs.
• May require additional external components for certain applications.
• Availability and pricing may vary depending on the manufacturer and market conditions.

Working Principles

The TDA18260HN/C1,557 operates based on the principle of receiving and demodulating digital TV signals. It utilizes an RF tuner to select and amplify the desired frequency range from the incoming RF signal. The demodulator then extracts the digital information embedded in the selected frequency band. Advanced digital signal processing algorithms are employed to enhance the received signal quality and minimize noise and interference.

Detailed Application Field Plans

The TDA18260HN/C1,557 finds extensive application in various television-related devices, including:

1. Digital TV receivers
2. Set-top boxes
3. Digital video recorders (DVRs)
4. Smart TVs
5. Portable media players with TV functionality

Its integration of RF tuner and demodulator, along with its support for multiple digital TV standards, makes it suitable for a wide range of television applications.

Detailed and Complete Alternative Models

1. TDA18250HN/C1,557: Similar to the TDA18260HN/C1,557 but with a narrower frequency range.
2. TDA18272HN/C1,557: Offers additional features such as integrated channel filters and improved sensitivity. 3