TDA19998HL/C1,551

Video Processing Overview

The TDA19998HL is a Smart HDMI 1.4a (4:1) switch with an auto-adaptive equalizer, manufactured by NXP Semiconductors. It features four DVI/HDMI inputs and one output, supporting data rates up to 2.25 gigasamples per second. The device complies with HDMI 1.4a, DVI 1.0, EIA/CEA-861D, and HDCP 1.4 standards. It includes embedded EDID memory for each input and supports Deep Color modes at 10-bit and 12-bit per channel up to 1920 × 1080p at 50/60 Hz. Powered by 3.3 V and 1.8 V supplies, it operates within an ambient temperature range of 0 °C to +70 °C.

Video Processing Feature Summary

• F3 technology enables fast switching between HDMI ports while maintaining encrypted streams without delay.
• Built-in auto-adaptive equalizer manages signal quality for cable lengths up to 30 meters.
• Integrated activity detection automatically activates the output upon detecting input signals.
• Embedded non-volatile EDID memory allows programming default content via I2C-bus.

Video Processing Applications

• 3D-TV
• HDTV (plasma, rear projection TV, LCD TV)
• Projector
• Home theater systems
• AVR

Video Processing Procurement Notes

Verify that the specific ordering suffix matches the required package variant. Confirm the manufacturer source is NXP Semiconductors or authorized distributors. Ensure the component meets the specified RoHS compliance and lead-free requirements. Check for any specific handling instructions related to electrostatic discharge protection during installation.

Video Processing Selection Notes

Select this component for applications requiring seamless switching between multiple DVI/HDMI sources. It is suitable for designs needing support for high-resolution video formats and HDCP 1.4 encryption. Consider its pin compatibility with legacy models if upgrading existing circuits. Evaluate power supply requirements for both 3.3 V and 1.8 V rails.

Video Processing Part Context

This part belongs to the TDA19998 series of HDMI switches from NXP Semiconductors. It is designed to replace older generations like the TDA9996/TDA9995/TDA19997/TDA19995 due to pin compatibility. The device integrates advanced features such as auto-adaptive equalization and F3 technology for improved performance in modern display systems.

Video Processing Replacement Considerations

Pin-compatible replacements include TDA9996, TDA9995, TDA19997, and TDA19995. Verify functional equivalence regarding supported video standards and power consumption before substitution.

Video Processing FAQ

Does the TDA19998HL support HDCP 1.4?

Yes, the TDA19998HL supports DVI/HDMI streams with High-bandwidth Digital Content Protection (HDCP 1.4).

What is the maximum cable length supported by the auto-adaptive equalizer?

The built-in auto-adaptive equalizer improves signal quality, allowing the use of cable lengths up to 30 meters.