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The DS25MB200 is a dual signal conditioning 2:1 multiplexer and 1:2 fan-out buffer designed for use in backplane redundancy applications. Signal conditioning features include input equalization and programmable output pre-emphasis that enable data communication in FR4 backplanes up to 2.5 Gbps. Each input stage has a fixed equalizer to reduce ISI distortion from board traces. All output drivers have 4 selectable steps of pre-emphasis to compensate for transmission losses from long FR4 backplanes and reduce deterministic jitter. The pre-emphasis levels can be independently controlled for the line-side and switch-side drivers. The internal loopback paths from switch-side input to switch-side output enable at-speed system testing. All receiver inputs are internally terminated with 100Ω differential terminating resistors. All drivers are internally terminated with 50Ω to VCC.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | DS25MB200 Dual 2.5Gbps 2:1/1:2 CML Mux/Buff w/Transmit Pre-Empha & Rcve Equal datasheet (Rev. G) | 14 Apr 2013 | |
| Application note | AN-1821 CPRI Repeater System (Rev. A) | 26 Apr 2013 | ||
| User guide | Dual 2.5 Gb s 1:2 Mux Buffer with Input Equalization and Output Pre-emphasis | 25 Jan 2012 |
For additional terms or required resources, click any title below to view the detail page where available.
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| WQFN (NJU) | 48 | Ultra Librarian |
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