Overview: ® ISL59533
Data Sheet March 13, 2006 FN6222.0 PRELIMINARY 32x32 Video Crosspoint with Differential Inputs
The ISL59533 is a 32x32 integrated video crosspoint switch matrix with input and output buffers and On-Screen Display (OSD) insertion. The ISL59533 is ideal for routing video signals in security and video-on-demand systems. This device operates from a single +5V supply. Any output can be switched to any of the 32 input video signal sources and OSD information through an internal, dedicated fast 2:1 mux (15ns switching times) located before the output buffer. Also, any one input can be broadcast to all 32 outputs. The ISL59533 offers a -3dB signal bandwidth of 300MHz. The differential gain and phase at 0.01% and 0.03° respectively, along with 0.1dB flatness out to 35MHz, make the ISL59533 suitable for many video applications. The switch matrix configuration and output buffer gain are programmed through an SPI/QSPI™-compatible, three-wire serial interface. The ISL59533 interface is set up to facilitate both fast updates and initialization. On power-up, all outputs are initialized in the disabled state to avoid output conflicts within the user system.
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