ADH744S

NOT RECOMMENDED FOR NEW DESIGNS

14 Gbps, Fast Rise Time, 1:2 Fanout Buffer w/Programmable Output Voltage & Positive Supply

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Overview

Inputs Terminated Internally to 50 Ohms.
Differential & Singke-Ended Operation.
Propagation Delay: 120 ps.
Fast Rise and Fall Time: 22 / 20 ps.
Programmable Differential Output Voltage Swing: 600 – 1100 mV.

Lower Power Consumption: 287 mW Typ.
Single Supply: +3.3 V.
16 Lead Ceramic 3 mm x 3 mm SMT Package
Screened with guidelines to MIL-PRF-38535, Class Level S

The ADH744S is a 1:2 Fanout Buffer designed to support data transmission rates up to 14 Gbps, and clock frequencies as high as 14 GHz. All differential inputs to the ADH744S are CML and terminated on-chip with 50 Ohms to the positive supply, Vcc, and may be AC or DC coupled. The differential CML outputs are source terminated to 50 Ohms and may also be AC or DC coupled. Outputs can be connected directly to a 50 Ohm Vcc-terminated system, while DC blocking capacitors may be used if the terminating system is 50 Ohms to ground. The ADH744S also features an output level control pin, VR, which allows for loss compensation or signal-level optimization. The ADH744S operates from a single 3.3 V supply.

Applications