AD8197AASTZ-RL

Overview

The AD8197AASTZ-RL is a 4:1 HDMI/DVI switch with equalization manufactured by Analog Devices Inc. It operates within a temperature range of -40°C to +85°C and utilizes a 100-lead LQFP package. The device supports data rates up to 2.25 Gbps, accommodating pixel clocks from 25 MHz to 225 MHz. It features fully buffered unidirectional high-speed inputs and outputs, alongside four auxiliary bidirectional channels. The component includes globally switchable 50 Ω on-chip terminations and pre-emphasized outputs.

Feature Summary

• Integrates input cable equalization to support long HDMI cable runs at maximum data rates.
• Provides pre-emphasized TMDS outputs for signal integrity maintenance.
• Includes four auxiliary channels capable of switching DDC buses and additional control signals.
• Supports both serial I2C and parallel control interfaces for configuration.

Applications

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

Procurement Notes

Verify the specific suffix RL against official documentation to confirm reel packaging requirements. Confirm that the AD8197AASTZ-RL designation aligns with current manufacturing revisions. Ensure compatibility with the AD8197A-EVALZ development kit if hardware validation is required. Check for any assembly relocation notices affecting the LQFP package origin.

Selection Notes

Select this component when designing systems requiring a single-chip solution compliant with HDMI 1.3 specifications. It serves as a pin-to-pin compatible replacement for the AD8191A in existing designs. Consider its ability to handle deep color formats and resolutions greater than UXGA. Evaluate the need for removable output termination to facilitate larger array constructions.

Part Context

The AD8197A belongs to the Analog Devices HDMI/DVI switch family. It is designed to enable HDMI 1.3-compliant receiver architectures. The device integrates equalization and pre-emphasis functions typically found in separate components, simplifying the signal chain for video distribution applications.

Replacement Considerations

The AD8197A is documented as a pin-to-pin compatible replacement for the AD8191A.