AD9891KBCZ

Overview

The AD9891KBCZ is a high-performance video transmitter IC manufactured by Analog Devices Inc. It supports DVI 1.0 and HDMI 1.2a standards, incorporating HDCP 1.1 encryption for content protection. The device features an integrated TMDS serializer and encoder, designed for transmitting uncompressed digital video signals. It operates with a typical supply voltage range of 1.71V to 1.89V and utilizes a 76-pin CSPBGA package (6x6 mm). The component includes I2C control interface capabilities for configuration and status monitoring, ensuring compatibility with standard digital display interfaces.

Feature Summary

• Supports DVI 1.0, HDMI 1.2a, and ITU-R BT.656/601 standards
• Integrated HDCP 1.1 authentication and encryption engine
• On-chip TMDS serializer and encoder for digital video transmission
• I2C serial interface for device configuration and register access

Applications

• High-definition television (HDTV) sets and monitors
• Digital projectors and presentation displays
• Set-top boxes and media players requiring HDCP compliance
• Personal computers and graphics cards with DVI/HDMI outputs

Part Context

The AD9891 belongs to the AD9889 family of video transmitters from Analog Devices. While the AD9889 series established the baseline for DVI/HDMI integration, the AD9891 variant specifically emphasizes robust HDCP 1.1 implementation and enhanced signal integrity for high-resolution video applications. It serves as a key component in enabling secure digital video distribution in consumer electronics and professional AV equipment.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should consult Analog Devices' official obsolescence notices or contact technical support for qualified alternatives if this component is discontinued or unavailable.