This document describes the features and characteristics of the 4:1 HDMI/DVI switch AD8197 Rev. 0, including HDMI 1.3 compliance, 4 inputs and 1 output, support for data rates from 250 Mbps to 2.25 Gbps, support for pixel clocks from 25 MHz to 225 MHz, support for long HDMI cables up to 20 meters, single-supply operation, and compatibility with HDCP standard.
The AD8197 is a 4‑input, 1‑output HDMI/DVI switch that provides equalized TMDS inputs and pre‑emphasized outputs, enabling long‑cable HDMI/DVI applications up to 20 m. It supports HDMI 1.3‑compliant receivers, HDCP, and offers flexible channel bundling and auxiliary signal routing.
The device is supplied in a 100‑lead LQFP (LOFP) Pb‑free surface‑mount package, operates from a single 3.3 V supply (3.0 V‑3.6 V range), and is rated for –40 °C to +85 °C operation. Detailed specifications, pin descriptions, and control interface information are provided for system designers.
| Maximum Data Rate per Channel | 2.25 Gbps |
|---|---|
| Input Voltage Swing Differential | 150‑1200 mV |
| AVCC Operating Range | 3.0 V – 3.6 V (typical 3.3 V) |
| Quiescent Current (Outputs Disabled) | 30 mA – 44 mA |
| Power Dissipation (Outputs Enabled, Max Pre‑emphasis) | 704 mW – 1050 mW |
| Switching/Update Delay | 200 ms (high‑speed register) |
| Operating Temperature Range | -40 °C to +85 °C |
| Package | 100‑lead LQFP (LOFP), Pb‑free, surface‑mount |
The AD8197 supports up to 2.25 Gbps per channel.
It is specified to operate from –40 °C to +85 °C.
The device is provided in a 100‑lead LQFP (LOFP) Pb‑free surface‑mount package.
AVCC can be supplied between 3.0 V and 3.6 V, typically 3.3 V.