DS25MB200

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Dual 2.5-Gbps 2:1/1:2 CML mux/buffer with transmit pre-emphasis and receive equalization

Product details

Function Mux buffer Protocols CML, LVDS, LVPECL Number of transmitters 2, 4 Number of receivers 2, 4 Supply voltage (V) 3.3 Signaling rate (Mbps) 2500 Input signal CML Output signal CML Rating Catalog Operating temperature range (°C) -40 to 85
Function Mux buffer Protocols CML, LVDS, LVPECL Number of transmitters 2, 4 Number of receivers 2, 4 Supply voltage (V) 3.3 Signaling rate (Mbps) 2500 Input signal CML Output signal CML Rating Catalog Operating temperature range (°C) -40 to 85
WQFN (NJU) 48 49 mm² 7 x 7
  • 0.6–2.5 Gbps Low Jitter Operation
  • Fixed Input Equalization
  • Programmable Output Pre-Emphasis
  • Independent Switch and Line Side Pre-Emphasis Controls
  • Programmable Switch-Side Loopback Modes
  • On-Chip Terminations
  • HBM ESD Rating 6 kV on All Pins
  • +3.3V Supply
  • Lead-Less WQFN-48 Package (7mm x 7mm x 0.8mm, 0.5mm Pitch)
  • -40°C to +85°C Operating Temperature Range

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  • 0.6–2.5 Gbps Low Jitter Operation
  • Fixed Input Equalization
  • Programmable Output Pre-Emphasis
  • Independent Switch and Line Side Pre-Emphasis Controls
  • Programmable Switch-Side Loopback Modes
  • On-Chip Terminations
  • HBM ESD Rating 6 kV on All Pins
  • +3.3V Supply
  • Lead-Less WQFN-48 Package (7mm x 7mm x 0.8mm, 0.5mm Pitch)
  • -40°C to +85°C Operating Temperature Range

All trademarks are the property of their respective owners.

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.

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.

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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

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WQFN (NJU) 48 Ultra Librarian

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