TDA9981AHL/15/C181

Video Processing Overview

The TDA9981AHL/15/C181 is an HDMI transmitter supporting DVI, designed for video streams up to 150 MHz pixel rate. It features three 8-bit RGB or YCBCR video inputs and four I²S-bus audio channels with S/PDIF support. The device handles audio sampling rates up to 192 kHz and operates within a 250 MHz to 1.50 GHz frequency range. It includes a programmable input formatter, color space converter, and HDCP 1.1 cipher block with internal OTP storage.

Video Processing Feature Summary

• Integrates a full programmable input formatter and color space conversion block for flexible video format handling.
• Includes an HDCP 1.1-compliant cipher block with internally stored keys in One Time Programmable memory.
• Supports multiple video synchronization methods including HSYNC, VSYNC, Data Enable, and ITU656-like formats.
• Features low power dissipation with controllable power-down mode and hard reset capabilities.

Video Processing Applications

• DVD players and recorders
• Set-Top Box (STB)
• AV receivers and amplifiers
• Camcorders
• Digital still cameras

Video Processing Procurement Notes

Verify the specific suffix /C181 against official NXP documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with existing system designs by checking pinout alignment and voltage requirements. Confirm end-of-life status and availability through authorized distributors before finalizing procurement plans.

Video Processing Selection Notes

Select this component when designing systems requiring HDMI output with integrated HDCP protection and multi-channel audio input. Consider its capability to handle various video formats via the programmable formatter. Evaluate power consumption constraints as it supports low-power modes suitable for portable and consumer electronics applications.

Video Processing Part Context

This part belongs to the TDA9981A series of HDMI transmitters from NXP Semiconductors. It is engineered for high-definition multimedia interface implementations, providing essential video and audio processing functions. The device integrates necessary control interfaces and security features for modern consumer electronic devices.

Video Processing Replacement Considerations

Consult NXP official documentation for confirmed substitute part numbers. Verify functional equivalence regarding video input formats, audio channel count, and HDCP compliance before considering alternatives.

Video Processing FAQ

What video input formats does the TDA9981AHL support?

It accepts YCBCR4:4:4 (up to 3 x 8-bit), YCBCR4:2:2 semi-planar (up to 2 x 12-bit), and YCBCR4:2:2 compliant with ITU656 and ITU656-like formats.

How is the HDCP key set managed in this device?

The HDCP key set is stored internally in a One Time Programmable (OTP) non-volatile memory for maximum security.