TDA18219HN/C1,557

Video Processing Overview

The TDA18219HN is a silicon tuner for terrestrial and cable digital TV reception. It supports DVB-T/T2, ISDB-T, DTMB, ATSC, and DVB-C standards. The device delivers a LOW IF signal to a channel demodulator. RF frequency range is 42 MHz to 870 MHz. Tuner noise figure is typically 5.0 dB with a maximum of 5.9 dB at 75 Ω source. Phase jitter is 0.7 degrees maximum. Image rejection is 63 dB worst case. Input compression point is 124 dBμV. Supply voltage is 3.3 V.

Video Processing Feature Summary

• Fully integrated IF selectivity eliminates the need for external SAW filters
• Single 3.3 V supply voltage enables low power consumption
• Integrated oscillators and wideband gain control facilitate alignment-free design
• I2C-bus interface compatible with 3.3 V microcontrollers

Video Processing Applications

• Digital TV receivers supporting terrestrial and cable standards
• Set-top boxes requiring compact tuner solutions
• All-in-one digital TV tuners

Video Processing Procurement Notes

Verify component authenticity through authorized NXP distributors or official channels. Confirm package type HVQFN40 matches design requirements. Ensure I2C bus voltage levels align with system microcontroller specifications. Check RoHS compliance documentation for regulatory adherence. Validate operating temperature ranges against environmental conditions.

Video Processing Selection Notes

Select this component for designs requiring full integration of IF selectivity without external SAW filters. Suitable for applications needing support for multiple digital TV standards including DVB-T/T2 and ATSC. Consider the single 3.3 V supply requirement for power management. Evaluate the compact HVQFN40 package for space-constrained PCB layouts.

Video Processing Part Context

The TDA18219HN belongs to NXP's family of silicon tuners designed for digital TV reception. It provides a complete solution for converting RF signals to LOW IF outputs. The device integrates essential functions like oscillators and gain control to simplify system architecture. It targets consumer electronics requiring robust digital TV tuning capabilities.

Video Processing Replacement Considerations

Consult NXP documentation for direct substitutes. Verify pin compatibility and electrical characteristics before substitution. Ensure alternative components support the same digital TV standards and package dimensions.

Video Processing FAQ

What digital TV standards does the TDA18219HN support?

It supports DVB-T/T2, ISDB-T, DTMB, ATSC, and DVB-C.

Does the TDA18219HN require external SAW filters?

No, it features fully integrated IF selectivity, eliminating the need for external SAW filters.

What is the typical tuner noise figure?

The typical tuner noise figure is 5.0 dB with a maximum of 5.9 dB at a 75 Ω source.