Triple 3 x 2 Audio/Video Crosspoint Switches
19-1496; Rev 0; 6/99
MAX4548/MAX4549
Serially Controlled, Triple 3x2 Audio/Video Crosspoint Switches
General Descript...
Description
19-1496; Rev 0; 6/99
MAX4548/MAX4549
Serially Controlled, Triple 3x2 Audio/Video Crosspoint Switches
General Description
The MAX4548/MAX4549 serial-interface, programmable, triple 3x2 audio/video crosspoint switches are ideal for multimedia applications. The devices include three crosspoint switch matrices, each containing three inputs and two outputs. To improve off-isolation, each switch matrix has a shunt input and each output is selectively programmable for clickless or regular-mode operation. A selectable set of internal resistive voltage dividers supplies DC bias for each output when using AC-coupled inputs. To improve crosstalk, the voltage dividers include four externally accessible bypass points.
The MAX4548/MAX4549 feature 35Ω max on-resistance, 7Ω on-resistance matching between channels, 5Ω on-resistance flatness, and 0.07% total harmonic distortion (THD). Additionally, they feature off-isolation of -85dB at 20kHz and -72dB at 10MHz, with crosstalk of -85dB at 20kHz...
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