TDA18250HN/C1,518

Video Processing Overview

The TDA18250HN/C1,518 is a silicon tuner IC designed for high definition cable Set-Top Boxes (STB) supporting single streaming. It operates with a single 3.3 V power supply and covers RF frequencies up to 1002 MHz. The device features integrated wideband gain control, LOW IF output, and fully integrated oscillators. It supports multistandard cable receptions and includes an I2C-bus interface for microcontroller compatibility, RSSI data access, and die temperature sensor monitoring.

Video Processing Feature Summary

• Eliminates the need for costly external components such as low-noise amplifiers and Surface Acoustic Wave filters through full integration.
• Provides enhanced RF and IF selectivity with alignment-free operation and integrated oscillators for simplified PCB design.
• Supports PVR applications by including an RF output specifically designed to drive a slave tuner.

Video Processing Applications

• High definition cable Set-Top Boxes
• Single streaming digital cable reception systems
• Personal Video Recorder (PVR) boxes

Video Processing Procurement Notes

Verify the specific ordering suffix /C1,518 against the manufacturer's current official documentation to confirm package details and availability status. Ensure that the procurement channel provides valid traceability for NXP Semiconductors products. Confirm compliance with lead-free manufacturing standards as specified in the product short data sheet before finalizing acquisition.

Video Processing Selection Notes

Select this component for designs requiring a cost-effective silicon tuner solution that removes external SAW filters and low-noise amplifiers from the bill of materials. It is suitable for applications needing a single 3.3 V supply and integrated oscillator functionality. Consider its compatibility with digital channel demodulators for worldwide digital cable standard support.

Video Processing Part Context

This part belongs to the TDA18250 series of cable silicon tuners manufactured by NXP Semiconductors. It is packaged in a plastic thermal enhanced very thin quad flat package with no leads (HVQFN48). The device is intended for use in consumer electronics, specifically targeting the digital cable television market segment.

Video Processing Replacement Considerations

Consult the official NXP datasheet for direct substitute part numbers or updated revisions within the TDA18250 family. Verify pinout and electrical specifications before replacing existing inventory to ensure functional equivalence in the target application.

Video Processing FAQ

Does the TDA18250HN require external Surface Acoustic Wave filters?

No, the device features fully integrated IF selectivity, which eliminates the need for external SAW filters.

What is the maximum RF frequency coverage of this tuner?

The RF frequency coverage extends up to 1002 MHz.