TDA19978AHV15C183:

Specialized Overview

The TDA19978A is a quad HDMI 1.4a compliant receiver with embedded EDID memory and auto-adaptive equalizer supporting cable lengths up to 25 m. It processes HDTV formats up to 1920 × 1080p at 50/60 Hz, WUXGA (1920 × 1200p at 60 Hz), and PC formats up to UXGA (1600 × 1200p at 60 Hz). The device supports Deep Color modes of 10-bit and 12-bit per color with TMDS clock frequencies up to 205 MHz. Audio capabilities include S/PDIF or I2S outputs for streams up to 192 kHz and High-Bitrate (HBR) streams up to 768 kHz. HDCP keys are stored in non-volatile OTP memory.

Specialized Feature Summary

• Quad independent HDMI inputs with embedded auto-adaptive equalizer
• Supports HDTV, WUXGA, and UXGA video resolutions including 3D formats
• Handles Deep Color processing from 8-bit to 12-bit per color
• Integrated audio formatter with S/PDIF and I2S outputs supporting HBR streams

Specialized Applications

• High-End TV
• Projector, plasma and LCD TV
• Rear projection TV
• Home theater amplifier
• AVR and HDMI splitter

Specialized Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to ensure correct package and temperature grade compatibility. Confirm that the HLQFP144 package dimensions align with the target PCB layout requirements before finalizing procurement decisions.

Specialized Selection Notes

Select this component when a design requires four simultaneous HDMI sources with integrated signal conditioning. Ensure the host system can accommodate the required 1.8 V and 3.3 V power supplies and supports I2C bus configuration for EDID and HDCP management.

Specialized Part Context

This part belongs to NXP's HDMI receiver family designed for consumer electronics. It integrates digital processing, audio formatting, and HDCP repeater functionality into a single CMOS chip, reducing the bill of materials for multi-input display systems.

Specialized Replacement Considerations

Check for updated revisions within the TDA19978A series. Verify pin-to-pin compatibility if considering alternative quad HDMI receivers from other manufacturers.