AD8191ASTZ-RL

Overview

The AD8191ASTZ-RL is a HDMI/DVI switch with equalization manufactured by Analog Devices Inc. It supports data rates up to 1.65 Gbps and pixel clocks from 25 MHz to 165 MHz. The device features four inputs and one output, utilizing a 100-lead LQFP package. It operates on a single 3.3 V supply for high-speed channels and flexible 3.3 V to 5 V supplies for auxiliary channels. The operating temperature range spans from -40°C to +85°C.

Feature Summary

• Features input cable equalization to support long HDMI cables at high resolutions.
• Provides pre-emphasized outputs to maintain signal integrity over extended distances.
• Supports multiple channel bundling modes including 4:1, 8:1, and 16:1 configurations.
• Includes bidirectional auxiliary channels for DDC bus and additional signal routing.

Applications

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

Procurement Notes

Verify the specific ordering suffix RL7 indicates reel packaging when sourcing this component. Confirm that the ASTZ designation corresponds to the lead-free LQFP package variant. Ensure compatibility with I2C or parallel control interfaces based on system design requirements before procurement.

Selection Notes

Select the AD8191ASTZ-RL for applications requiring switching of HDMI or DVI sources with integrated signal conditioning. Consider its ability to handle long cable runs via equalization and pre-emphasis features. Evaluate the need for specific channel bundling modes and control interface preferences when integrating into display systems.

Part Context

The AD8191 belongs to Analog Devices' family of HDMI/DVI switches designed for high-definition video distribution. It complements other components in AV infrastructure by providing reliable signal switching and conditioning. The device is part of a broader portfolio addressing consumer electronics and professional audio-visual market needs.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.

FAQ

What switching modes does the AD8191 support?

The AD8191 supports three high-speed switching modes: quad mode (4:1 link switch), dual mode (two 8:1 TMDS channel switches), and single mode (one 16:1 TMDS channel switch).

How is the AD8191 controlled?

The device can be controlled via a serial I2C slave interface or a parallel control interface. Serial programming values override parallel settings, and using the serial interface disables the parallel interface until a reset occurs.