AD8197ASTZ-RL

Overview

The AD8197ASTZ-RL is a 4:1 HDMI/DVI switch with equalization, manufactured by Analog Devices Inc. It supports data rates up to 2.25 Gbps and pixel clocks from 25 MHz to 225 MHz. The device features four TMDS channels per link with equalized inputs for long cable runs and pre-emphasized outputs. It operates on a single 3.3 V supply with auxiliary channels supporting 3.3 V to 5 V. The component is housed in a 100-lead LQFP package and functions within an operating temperature range of -40°C to +85°C.

Feature Summary

• Supports flexible channel bundling modes including 4:1, dual 8:1, and 16:1 switching configurations.
• Integrates input cable equalizer and output pre-emphasis to maintain signal integrity over extended distances.
• Includes bidirectional auxiliary switches capable of routing DDC bus and additional control signals.
• Offers globally switchable internal terminations and output disable features for power management.

Applications

• Multiple input displays
• Projectors
• A/V receivers
• Set-top boxes
• Advanced television (HDTV) sets

Procurement Notes

Verify the specific ordering suffix RL indicates reel packaging when sourcing. Confirm that the AD8197ASTZ-RL designation aligns with the required tape-and-reel format for automated assembly processes. Ensure compatibility with the 100-lead LQFP footprint during PCB layout verification.

Selection Notes

Select this component for systems requiring HDMI 1.3 compliance and support for deep color formats. Consider its pin-to-pin compatibility with the AD8191 if upgrading existing designs. Evaluate the need for serial versus parallel control interfaces based on system complexity and available microcontroller resources.

Part Context

This part belongs to the AD8197 family of high-speed video switches. It serves as a direct replacement for the AD8191, offering enhanced equalization capabilities. The device is designed to handle uncompressed digital video and audio signals, ensuring robust performance in professional and consumer AV environments.

Replacement Considerations

The AD8197ASTZ is a pin-compatible alternative to the AD8191ASTZ. Verify that the specific reel packaging requirement is met by the -RL suffix when substituting into manufacturing workflows.